Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Zerremi D. Caga-Anan, MD

Sees patients in New York, NY · New York

Summary

Dr. Zerremi D. Caga-Anan, MD is an internal medicine doctor at 452 Fort Washington Ave, 1st Floor, New York, NY 10033. Phone: (866) 996-1616. Accepts Medicare assignment. In 2024, Zerremi D. Caga-Anan had 24 Original Medicare patients and 78 services. NPI 1528312394. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 452 Fort Washington Ave, 1st Floor, New York, NY 10033 · Directions
  • Phone: (866) 996‑1616
  • Medicare: Accepts Medicare assignment
  • Group practice: Aristahealth Medical Care PC
  • Medical school: University Of Texas Medical Branch At Galveston · graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Zerremi D. Caga-Anan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zerremi D. Caga-Anan accept Medicare assignment?
Yes. Medicare's clinician data says Zerremi D. Caga-Anan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Zerremi D. Caga-Anan see?
In 2024, CMS data shows 24 Original Medicare patients and 78 services for Zerremi D. Caga-Anan. This counts Original Medicare only and measures volume, not quality.
What is Zerremi D. Caga-Anan's NPI number?
1528312394. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Zerremi D. Caga-Anan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients24
Services billed to Medicare78
Different services or procedures17
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)30 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes75%

Practice locations

Addresses where Zerremi D. Caga-Anan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zerremi D. Caga-Anan as a member of this group (CMS data updated October 2, 2026).

  • Aristahealth Medical Care PC11 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All internal medicine doctors in New York →

Other clinicians in Aristahealth Medical Care PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical Branch At Galveston
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528312394
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians