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

Obstetrics/Gynecology

Kathryn P. Rutenberg, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Kathryn P. Rutenberg, MD is an OB-GYN at 100 E 77th St, New York, NY 10075. Phone: (212) 434-2140. Accepts Medicare assignment. In 2024, Kathryn P. Rutenberg had 165 Original Medicare patients and 334 services. NPI 1700887205. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 100 E 77th St, New York, NY 10075 · Directions
  • Phone: (212) 434‑2140
  • Medicare: Accepts Medicare assignment
  • Hospital: Lenox Hill Hospital
  • Group practice: North Shore-Lij Medical PC
  • Medical school: State University Of New York At Stony Brook, School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Kathryn P. Rutenberg, 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 Kathryn P. Rutenberg accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn P. Rutenberg 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 Kathryn P. Rutenberg see?
In 2024, CMS data shows 165 Original Medicare patients and 334 services for Kathryn P. Rutenberg. This counts Original Medicare only and measures volume, not quality.
What is Kathryn P. Rutenberg's NPI number?
1700887205. 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 Kathryn P. Rutenberg, 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 patients165
Services billed to Medicare334
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)73 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)63 services
  3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)57 services
  4. Pelvic exam (99459)42 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)38 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 cholesterol75%
  • Arthritis49%
  • High blood pressure48%
  • Osteoporosis40%
  • Anxiety24%
  • Depression21%

Hospitals where Kathryn P. Rutenberg works

Medicare's Facility Affiliation Data lists Kathryn P. Rutenberg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119

Practice locations

Addresses where Kathryn P. Rutenberg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kathryn P. Rutenberg as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in New York

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

All OB-GYNs in New York →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1700887205
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians