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Internal Medicine

Elliot J. Riegelhaupt, MD

Sees patients in New York, NY · New York

Summary

Dr. Elliot J. Riegelhaupt, MD is an internal medicine doctor at 35 Th E 85th St, New York, NY 10028. Phone: (212) 439-6638. May accept Medicare assignment. In 2024, Elliot J. Riegelhaupt had 73 Original Medicare patients and 462 services. NPI 1548338510. 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: 35 Th E 85th St, New York, NY 10028 · Directions
  • Phone: (212) 439‑6638
  • Medicare: May accept Medicare assignment
  • Medical school: Albert Einstein College Of Medicine Of Yeshiva University · graduated 1976 (50 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Elliot J. Riegelhaupt, 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 Elliot J. Riegelhaupt accept Medicare assignment?
Medicare's clinician data says Elliot J. Riegelhaupt may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Elliot J. Riegelhaupt see?
In 2024, CMS data shows 73 Original Medicare patients and 462 services for Elliot J. Riegelhaupt. This counts Original Medicare only and measures volume, not quality.
What is Elliot J. Riegelhaupt's NPI number?
1548338510. 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 Elliot J. Riegelhaupt, 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 patients73
Services billed to Medicare462
Different services or procedures16
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)122 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)78 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)67 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)56 services
  5. Telephone medical discussion with physician, 5-10 minutes (99441)39 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%
  • Arthritis34%
  • Diabetes23%
  • Ischemic heart disease21%
  • Osteoporosis19%

Practice locations

Addresses where Elliot J. Riegelhaupt is enrolled with Medicare (CMS data updated October 2, 2026).

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 →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year1976 (50 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548338510
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