1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Obstetrics Gynecology
  6. NPI Profile

DR. ISABEL S BLUMBERG M.D.
NPI 1821183989
Obstetrics & Gynecology in New York, NY

Active since October 04, 2006Opted out of Medicare · through Jul 6, 2027
1125 PARK AVE, NEW YORK, NY 10128(917) 492-9200(917) 492-8129 Get Directions Write a Review

NPPES record last updated: October 1, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Isabel S Blumberg M.d. NPPES

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

DR. ISABEL S BLUMBERG M.D. (NPI 1821183989) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (216565) and active in the NPI registry since October 2006. She has opted out of Medicare through July 6, 2027 and is a graduate of Icahn School Of Medicine At Mount Sinai (1998).

NPPES Registry Identity

NPI1821183989
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ISABEL S BLUMBERGCredential: M.D.
Location Address1125 PARK AVENew York, NY 10128-1241
Mailing Address1125 Park AveNew York, NY 10128-1241 · (917) 492-9200 · Fax (917) 492-8129
Phone(917) 492-9200
Fax(917) 492-8129
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1998
Enumeration DateOctober 4, 2006
Last NPPES UpdateOctober 1, 2015
✔ NPI 1821183989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in NY · 216565✔ Licensed in NY · 2165651
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1125 PARK AVE, New York, NY 10128
Open in Google Maps ↗

Other Names 1

Other Name (5)Isabel S Epstein M.d.

Other Identifiers 1

Medicare UPINH77270

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Isabel S Blumberg M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 6, 2021 through July 6, 2027.

Opt-Out Effective DateJuly 6, 2021
Opt-Out In Effect ThroughJuly 6, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. REBECCA C. AMARU M.D.
Obstetrics & Gynecology
1125 PARK AVE
NEW YORK, NY 10128
New York County (917) 492-9200
DR. HOWARD JOEL GREENBERG M.D.
Internal Medicine (Hematology & Oncology)
1125 PARK AVE
NEW YORK, NY 10128
New York County (212) 369-4250
DR. JENNIFER TRACHTENBERG M.D.
Pediatrics
1125 PARK AVE
NEW YORK, NY 10128
New York County (212) 289-1400
DR. BARRY B STEIN M.D.
Pediatrics
1125 PARK AVE
NEW YORK, NY 10128
New York County (212) 289-1400
MOUNT SINAI SCHOOL OF MEDICINE OF NEW YORK UNIVERSITY
Internal Medicine (Hematology & Oncology)
1125 PARK AVE
NEW YORK, NY 10128
New York County (212) 369-4250
BRASNER BLUMBERG & AMARU MD LLP
Obstetrics & Gynecology
1125 PARK AVE
NEW YORK, NY 10128
New York County (917) 492-9200
CARNEGIE HILL PEDIATRICS
Pediatrics
1125 PARK AVE
NEW YORK, NY 10128
New York County (212) 289-1400
CARNEGIE HILL PEDIATRICS, LLP
Clinic/Center (Primary Care)
1125 PARK AVE
NEW YORK, NY 10128
New York County (212) 289-1400

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 Isabel Blumberg's NPI number?

The NPI number for Isabel Blumberg is 1821183989. It was assigned to this individual provider in the NPPES registry on October 4, 2006. The provider is also known as Isabel S Epstein M.D..

Where is Isabel Blumberg located?

Isabel Blumberg practices at 1125 Park Ave, New York, NY 10128. The listed phone number is (917) 492-9200.

What is Isabel Blumberg's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Isabel Blumberg enrolled in Medicare?

No. Isabel Blumberg has opted out of Medicare through July 6, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Isabel Blumberg was last updated on October 1, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.