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Endocrinology

Vanita P. Treat, MD

Works at hospitals in Bryn Mawr, PA · West Chester, PA · Wynnewood, PA … · Pennsylvania

Summary

Dr. Vanita P. Treat, MD is an endocrinologist at 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010. Accepts Medicare assignment. In 2024, Vanita P. Treat had 478 Original Medicare patients and 1,319 services. NPI 1235349655. 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: Endocrinologist (Medicare lists Endocrinology)
  • Address: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bryn Mawr Hospital, Chester County Hospital, Main Line Hospital Lankenau and 2 more
  • Medical school: Drexel University College Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Vanita P. Treat, 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 Vanita P. Treat accept Medicare assignment?
Yes. Medicare's clinician data says Vanita P. Treat 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 Vanita P. Treat see?
In 2024, CMS data shows 478 Original Medicare patients and 1,319 services for Vanita P. Treat. This counts Original Medicare only and measures volume, not quality.
What is Vanita P. Treat's NPI number?
1235349655. 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 Vanita P. Treat, 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 patients478
Services billed to Medicare1,319
Different services or procedures18
Participating Medicare providerYes
Average age of these patients74

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)383 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)346 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)330 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)80 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)52 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 blood pressure75%
  • High cholesterol75%
  • Diabetes71%
  • Arthritis52%
  • Ischemic heart disease42%
  • Chronic kidney disease36%

Hospitals where Vanita P. Treat works

Medicare's Facility Affiliation Data lists Vanita P. Treat 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
  • Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
  • Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
  • Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222

Practice locations

Addresses where Vanita P. Treat is enrolled with Medicare (CMS data updated October 2, 2026).

  • 825 Old Lancaster Rd, Suite 320Bryn Mawr, PA 19010

Specialties

Find other Endocrinology doctors in Pennsylvania →

Other endocrinologists in Bryn Mawr

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

All endocrinologists in Bryn Mawr →

Clinician information

CredentialMD
Medical schoolDrexel University College Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235349655
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