Cerrah Mendelsohn-Elzam, M.D.
NPI 1568679736 · Internal Medicine Physician · Greenwich, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cerrah Mendelsohn-Elzam, M.D. is a Internal Medicine Physician provider in Greenwich, CT (NPI 1568679736).
Provider details
- NPI number
- 1568679736
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 045295 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
647 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 | 182 | $88 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 99 | $14 |
| Advance Care Planning, First 30 Minutes99497 | 97 | $80 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 94 | $170 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 80 | $127 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 126 | 41 |
| Rosuvastatin Calcium | 93 | 27 |
| Zolpidem Tartrate | 83 | 19 |
| Amlodipine Besylate | 64 | 20 |
| Levothyroxine Sodium | 59 | 16 |
| Ezetimibe | 54 | 16 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$212 across 8 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
Additional practice locations (1)
- 5 Perryridge RoadGreenwich HospitalGreenwich, CT 06830-4697Phone: (203) 863-3639
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2022-03-30
- Certified
- 2022-03-30
Frequently asked questions
- What is Cerrah Mendelsohn-Elzam's NPI number?
- Cerrah Mendelsohn-Elzam's National Provider Identifier (NPI) is 1568679736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cerrah Mendelsohn-Elzam's specialty?
- Cerrah Mendelsohn-Elzam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cerrah Mendelsohn-Elzam located?
- Cerrah Mendelsohn-Elzam's practice location on file with NPPES is 7 Riversville Rd Ste 1, Greenwich, CT 06831-3697.
- What is Cerrah Mendelsohn-Elzam's phone number?
- The practice phone number listed in the NPPES registry for Cerrah Mendelsohn-Elzam is (203) 531-1808.
- Does Cerrah Mendelsohn-Elzam accept Medicare?
- Cerrah Mendelsohn-Elzam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cerrah Mendelsohn-Elzam's NPI active?
- Yes — Cerrah Mendelsohn-Elzam's NPI (1568679736) is active in the NPPES registry as of the last update on 2022-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.