Mason Pimsler, MD
NPI 1427300946 · Geriatric Medicine (Internal Medicine) Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mason Pimsler, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Bronx, NY (NPI 1427300946).
Provider details
- NPI number
- 1427300946
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 272347 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
49 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 25 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $108 |
Typical Medicare-allowed amounts for these services range $74–$108 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 140 | 78 |
| Amlodipine Besylate | 99 | 61 |
| Lisinopril | 68 | 36 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 53 | 17 |
| Metformin Hcl | 49 | 30 |
| Rosuvastatin Calcium | 44 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-08
- Last updated
- 2023-08-24
- Certified
- 2023-08-24
Frequently asked questions
- What is Mason Pimsler's NPI number?
- Mason Pimsler's National Provider Identifier (NPI) is 1427300946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mason Pimsler's specialty?
- Mason Pimsler is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mason Pimsler located?
- Mason Pimsler's practice location on file with NPPES is 234 E 149th St, Bronx, NY 10451-5504.
- What is Mason Pimsler's phone number?
- The practice phone number listed in the NPPES registry for Mason Pimsler is (718) 579-5000.
- Does Mason Pimsler accept Medicare?
- Mason Pimsler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mason Pimsler's NPI active?
- Yes — Mason Pimsler's NPI (1427300946) is active in the NPPES registry as of the last update on 2023-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.