Nicholas Mcmahon, PA-C
NPI 1194489864 · Physician Assistant · Bridgehampton, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Mcmahon, PA-C is a Physician Assistant provider in Bridgehampton, NY (NPI 1194489864).
Provider details
- NPI number
- 1194489864
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
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
4 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
847 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 | 387 | $88 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 154 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 69 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 57 | $14 |
| Detection Test By Multiplex Amplified Probe Technique for Severe Acute Respiratory Syndrome Coronavirus 2 (sars-Cov-2) (covid-19) and Influenza Virus Types a and B87636 | 39 | $140 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 70 | 33 |
| Levothyroxine Sodium | 54 | 23 |
| Rosuvastatin Calcium | 46 | 18 |
| Amlodipine Besylate | 34 | 17 |
| Allopurinol | 31 | 12 |
| Omeprazole | 30 | 12 |
| Azithromycin | 26 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 across 2 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
- 2021-10-28
- Last updated
- 2022-07-01
- Certified
- 2022-07-01
Frequently asked questions
- What is Nicholas Mcmahon's NPI number?
- Nicholas Mcmahon's National Provider Identifier (NPI) is 1194489864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Mcmahon's specialty?
- Nicholas Mcmahon is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nicholas Mcmahon located?
- Nicholas Mcmahon's practice location on file with NPPES is 2510 Montauk Highway, Bridgehampton, NY 11963.
- What is Nicholas Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Mcmahon is (631) 386-3600.
- Does Nicholas Mcmahon accept Medicare?
- Nicholas Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Mcmahon's NPI active?
- Yes — Nicholas Mcmahon's NPI (1194489864) is active in the NPPES registry as of the last update on 2022-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.