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Physician Assistant

Catherine R. Platnick, PA

Works at hospitals in Annapolis, MD · Maryland

Summary

Catherine R. Platnick, PA is a physician assistant at 1106 Annapolis Rd, Suite 130, Odenton, MD 21113. Phone: (410) 268-8862. Accepts Medicare assignment. In 2024, Catherine R. Platnick had 307 Original Medicare patients and 1,194 services. NPI 1588668164. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Catherine R. Platnick, 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 Catherine R. Platnick accept Medicare assignment?
Yes. Medicare's clinician data says Catherine R. Platnick 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 Catherine R. Platnick see?
In 2024, CMS data shows 307 Original Medicare patients and 1,194 services for Catherine R. Platnick. This counts Original Medicare only and measures volume, not quality.
What is Catherine R. Platnick's NPI number?
1588668164. 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 Catherine R. Platnick, 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 patients307
Services billed to Medicare1,194
Different services or procedures16
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of foot, minimum of 3 views (73630)361 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)285 services
  3. X-ray of ankle, minimum of 3 views (73610)233 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)210 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)47 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 pressure71%
  • Arthritis64%
  • Anxiety27%
  • Osteoporosis23%
  • Diabetes22%

Hospitals where Catherine R. Platnick works

Medicare's Facility Affiliation Data lists Catherine R. Platnick 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.

Practice locations

Addresses where Catherine R. Platnick is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Catherine R. Platnick as a member of this group (CMS data updated October 2, 2026).

  • Luminis Health Medical Group, LLC539 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Maryland →

Other physician assistants in Odenton

Clinicians with the same Medicare primary specialty in Odenton, MD — not a recommendation.

All physician assistants in Odenton →

Other clinicians in Luminis Health Medical Group, LLC

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

Clinician information

CredentialPA
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588668164
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