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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. REHAN UMAR MD
NPI 1154841591
Internal Medicine - Endocrinology, Diabetes & Metabolism in New York, NY

Active since June 27, 2017PECOS Enrolled
519 E 72ND ST FL 2, NEW YORK, NY 10021(212) 606-1687(646) 797-8290 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Rehan Umar Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. REHAN UMAR MD (NPI 1154841591) is an individual endocrinology, diabetes & metabolism provider in New York, New York, licensed in New York (346871) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Paramus, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1154841591
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. REHAN UMARCredential: MD
Location Address519 E 72ND ST FL 2New York, NY 10021-4028
Mailing Address535 E 70th StNew York, NY 10021-4823 · (212) 606-1687 · Fax (646) 797-8290
Phone(212) 606-1687
Fax(646) 797-8290
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 27, 2017
Last NPPES UpdateOctober 21, 2026
NPPES CertifiedOctober 21, 2026
✔ NPI 1154841591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in NY · 346871
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
519 E 72ND ST FL 2, New York, NY 10021
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Secondary Practice Location 1

Location 115 E Midland Ave Ste 1AParamus, NJ 07652-2926 · Phone (212) 606-1687 · Fax (646) 797-8290

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rehan Umar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002375656
PECOS Enrollment IDI20260825002269
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Rehan Umar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York Society For Releif Of The Ruptured And Crippled Maintaining
0.1 mi
Special Hospital
535 E 70TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: New York Society For The Relief Of Ruptured & Crippled Maintaining
  • 121 clinicians in this Medicare group
NPI 1477988707 (212) 774-7598

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rehan Umar's NPI number?

The NPI number for Rehan Umar is 1154841591. It was assigned to this individual provider in the NPPES registry on June 27, 2017.

Where is Rehan Umar located?

Rehan Umar practices at 519 E 72nd St Fl 2, New York, NY 10021. The listed phone number is (212) 606-1687.

What is Rehan Umar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Rehan Umar enrolled in Medicare?

Yes. Rehan Umar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rehan Umar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rehan Umar reassigns Medicare benefits to New York Society For Releif Of The Ruptured And Crippled Maintaining (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rehan Umar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rehan Umar was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.