Geema Masson, M.D.
NPI 1649368432 · Anesthesiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Geema Masson, M.D. is a Anesthesiology Physician provider in New York, NY (NPI 1649368432).
Provider details
- NPI number
- 1649368432
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 234419 (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
19 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
245 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) |
|---|---|---|
| Anesthesia for Other Procedure on Skin of Arms, Legs, and Front Body00400 | 128 | $87 |
| Anesthesia for Reconstruction of Breast00402 | 37 | $177 |
| Anesthesia for Procedure on Nerves, Muscles, Tendons, Fascia, and Bursae of Shoulder and Underarm01610 | 32 | $174 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back00300 | 21 | $156 |
| Anesthesia for Extensive Removal of Prostate00865 | 15 | $347 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 12 | $239 |
Typical Medicare-allowed amounts for these services range $87–$347 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2022-07-21
Frequently asked questions
- What is Geema Masson's NPI number?
- Geema Masson's National Provider Identifier (NPI) is 1649368432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Geema Masson's specialty?
- Geema Masson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Geema Masson located?
- Geema Masson's practice location on file with NPPES is 310 E 14th St, New York, NY 10003-4201.
- What is Geema Masson's phone number?
- The practice phone number listed in the NPPES registry for Geema Masson is (212) 979-4000.
- Does Geema Masson accept Medicare?
- Geema Masson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Geema Masson's NPI active?
- Yes — Geema Masson's NPI (1649368432) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.