Mahmoud El-Tamer, M.D.
NPI 1235201856 · Specialist · New York, NY
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmoud El-Tamer, M.D. is a Specialist provider in New York, NY (NPI 1235201856).
Provider details
- NPI number
- 1235201856
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 193945-1 (NY)
Specialties & taxonomies
Other Service Providers
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
206 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 51 | $201 |
| Partial Removal of Breast19301 | 33 | $718 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $110 |
| Imaging of Lymph Nodes During Surgery38900 | 23 | $164 |
| Biopsy Or Removal of Deep Lymph Nodes of Underarm38525 | 22 | $268 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2013-08-25
Frequently asked questions
- What is Mahmoud El-Tamer's NPI number?
- Mahmoud El-Tamer's National Provider Identifier (NPI) is 1235201856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmoud El-Tamer's specialty?
- Mahmoud El-Tamer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mahmoud El-Tamer located?
- Mahmoud El-Tamer's practice location on file with NPPES is 300 E 66th St, New York, NY 10065-6800.
- What is Mahmoud El-Tamer's phone number?
- The practice phone number listed in the NPPES registry for Mahmoud El-Tamer is (646) 888-4753.
- Does Mahmoud El-Tamer accept Medicare?
- Mahmoud El-Tamer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmoud El-Tamer's NPI active?
- Yes — Mahmoud El-Tamer's NPI (1235201856) is active in the NPPES registry as of the last update on 2013-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.