Peter Masny, MD
NPI 1144376740 · Neurology Physician · Arroyo Grande, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Masny, MD is a Neurology Physician provider in Arroyo Grande, CA (NPI 1144376740).
Provider details
- NPI number
- 1144376740
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A113136 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
980 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 382 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 107 | $195 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 89 | $108 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 69 | $236 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 65 | $98 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 104 | 25 |
| Donepezil Hcl | 81 | 31 |
| Gabapentin | 77 | 22 |
| Lacosamide | 75 | 19 |
| Topiramate | 57 | 15 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 44 | 15 |
| Lamotrigine | 37 | — |
| Clonazepam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40 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
- 2007-01-26
- Last updated
- 2023-11-06
- Certified
- 2023-11-06
Frequently asked questions
- What is Peter Masny's NPI number?
- Peter Masny's National Provider Identifier (NPI) is 1144376740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Masny's specialty?
- Peter Masny is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Masny located?
- Peter Masny's practice location on file with NPPES is 850 Fair Oaks Ave Ste 100, Arroyo Grande, CA 93420-3929.
- What is Peter Masny's phone number?
- The practice phone number listed in the NPPES registry for Peter Masny is (805) 547-2224.
- Does Peter Masny accept Medicare?
- Peter Masny is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Masny's NPI active?
- Yes — Peter Masny's NPI (1144376740) is active in the NPPES registry as of the last update on 2023-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.