Mary Nicholas, PA-C
NPI 1902141575 · Medical Physician Assistant · West Chester, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Nicholas, PA-C is a Medical Physician Assistant provider in West Chester, PA (NPI 1902141575).
Provider details
- NPI number
- 1902141575
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- MA055885 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,191 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 804 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 557 | $80 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 297 | $53 |
| Destruction of Skin Growth, 1-14 Growths17110 | 107 | $93 |
| Punch Biopsy, First Skin Growth11104 | 102 | $103 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 103 | 71 |
| Fluocinonide | 44 | 34 |
| Ketoconazole | 40 | 26 |
| Doxycycline Hyclate | 38 | 24 |
| Ciclopirox Olaminebrand: Ciclopirox | 19 | 13 |
| Metronidazole | 17 | 13 |
| Minoxidil | 16 | — |
| Fluorouracil | 14 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$552 across 33 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-12-07
- Last updated
- 2016-11-10
Frequently asked questions
- What is Mary Nicholas's NPI number?
- Mary Nicholas's National Provider Identifier (NPI) is 1902141575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Nicholas's specialty?
- Mary Nicholas is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Nicholas located?
- Mary Nicholas's practice location on file with NPPES is 1101 Paoli Pike, West Chester, PA 19380-4642.
- What is Mary Nicholas's phone number?
- The practice phone number listed in the NPPES registry for Mary Nicholas is (610) 918-2500.
- Does Mary Nicholas accept Medicare?
- Mary Nicholas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Nicholas's NPI active?
- Yes — Mary Nicholas's NPI (1902141575) is active in the NPPES registry as of the last update on 2016-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.