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Internal Medicine

Debra A. Zimmerman, DO

Works at hospitals in Reading, PA · Pottstown, PA · West Reading, PA · Pennsylvania

Summary

Dr. Debra A. Zimmerman, DO is an internal medicine doctor at 137 Montgomery Ave, Suite 205, Boyertown, PA 19512. Phone: (484) 658-3150. Accepts Medicare assignment. In 2024, Debra A. Zimmerman had 354 Original Medicare patients and 2,151 services. NPI 1508832262. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 137 Montgomery Ave, Suite 205, Boyertown, PA 19512 · Directions (7 more locations)
  • Phone: (484) 658‑3150
  • Medicare: Accepts Medicare assignment
  • Hospitals: Penn State Health St. Joseph, Pottstown Hospital, Reading Hospital
  • Group practice: Phoenix Rehabilitation and Health Services Inc (+3 more)
  • Medical school: Lake Erie College Of Osteopathic Medicine, Erie · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Debra A. Zimmerman, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Debra A. Zimmerman accept Medicare assignment?
Yes. Medicare's clinician data says Debra A. Zimmerman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Debra A. Zimmerman see?
In 2024, CMS data shows 354 Original Medicare patients and 2,151 services for Debra A. Zimmerman. This counts Original Medicare only and measures volume, not quality.
What is Debra A. Zimmerman's NPI number?
1508832262. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Debra A. Zimmerman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients354
Services billed to Medicare2,151
Different services or procedures28
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)558 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)181 services
  3. Administration of influenza virus vaccine (G0008)81 services
  4. Influenza vaccine, trivalent derived from recombinant dna (90673)63 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)57 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure74%
  • Arthritis44%
  • Anxiety29%
  • Osteoporosis25%
  • Diabetes23%

Hospitals where Debra A. Zimmerman works

Medicare's Facility Affiliation Data lists Debra A. Zimmerman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Penn State Health St. JosephReading, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390096
  • Pottstown HospitalPottstown, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390123
  • Reading HospitalWest Reading, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390044

Practice locations

Addresses where Debra A. Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

  • 137 Montgomery Ave, Suite 205Boyertown, PA 19512 (484) 658‑3150
  • 2000 Westinghouse Dr, Suite 200Cranberry Twp, PA 16066
  • 206 S 6th AveWest Reading, PA 19611 (484) 628‑5437
  • 2610 Keiser BlvdWyomissing, PA 19610
  • 301 S 7th Ave, Radiology Tower Health Medical GroupWest Reading, PA 19611 (484) 628‑8112

Group practices

Medicare enrollment lists Debra A. Zimmerman as a member of these groups (CMS data updated October 2, 2026).

  • Phoenix Rehabilitation and Health Services Inc2,800 clinicians in the group
  • Tower Health Medical Group584 clinicians in the group
  • Reading Hospital186 clinicians in the group
  • H2 Rehabilitation Extension Services LLC163 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Boyertown

Clinicians with the same Medicare primary specialty in Boyertown, PA — not a recommendation.

All internal medicine doctors in Boyertown →

Other clinicians in Phoenix Rehabilitation and Health Services Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolLake Erie College Of Osteopathic Medicine, Erie
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508832262
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians