Blair Maerowitz, PA-C
NPI 1235107970 · Physician Assistant · Amherst, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Blair Maerowitz, PA-C is a Physician Assistant provider in Amherst, MA (NPI 1235107970).
Provider details
- NPI number
- 1235107970
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 1521 (MA)
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
20 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
4,076 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,200 | $79 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,194 | $6 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 549 | $51 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 242 | $49 |
| Biopsy of Related Skin Growth, First Growth11102 | 236 | $84 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 327 | 192 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 136 | 85 |
| Doxycycline Monohydrate | 70 | 34 |
| Clobetasol Propionate | 67 | 43 |
| Dupilumabbrand: Dupixent Syringe | 63 | — |
| Imiquimod | 61 | 42 |
| Fluorouracil | 60 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$240 across 5 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
- 2006-03-09
- Last updated
- 2021-03-15
- Certified
- 2021-03-15
Frequently asked questions
- What is Blair Maerowitz's NPI number?
- Blair Maerowitz's National Provider Identifier (NPI) is 1235107970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Blair Maerowitz's specialty?
- Blair Maerowitz is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Blair Maerowitz located?
- Blair Maerowitz's practice location on file with NPPES is 29 Cottage Street, Amherst, MA 01002-1206.
- What is Blair Maerowitz's phone number?
- The practice phone number listed in the NPPES registry for Blair Maerowitz is (413) 406-3250.
- Does Blair Maerowitz accept Medicare?
- Blair Maerowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Blair Maerowitz's NPI active?
- Yes — Blair Maerowitz's NPI (1235107970) is active in the NPPES registry as of the last update on 2021-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.