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Obstetrics/Gynecology

Hannah R. Zeltzer, DO

Works at hospitals in Davis, CA · California

Summary

Dr. Hannah R. Zeltzer, DO is an OB-GYN at 2800 L St, Sacramento, CA 95816. Accepts Medicare assignment. In 2024, Hannah R. Zeltzer had 86 Original Medicare patients and 158 services. NPI 1942735642. 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: 2800 L St, Sacramento, CA 95816 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Sutter Davis Hospital
  • Group practice: Sutter Valley Medical Foundation
  • Medical school: graduated 2017 (9 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 Hannah R. Zeltzer, 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 Hannah R. Zeltzer accept Medicare assignment?
Yes. Medicare's clinician data says Hannah R. Zeltzer 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 Hannah R. Zeltzer see?
In 2024, CMS data shows 86 Original Medicare patients and 158 services for Hannah R. Zeltzer. This counts Original Medicare only and measures volume, not quality.
What is Hannah R. Zeltzer's NPI number?
1942735642. 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 Hannah R. Zeltzer, 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 patients86
Services billed to Medicare158
Different services or procedures28
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)82 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)13 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 pressure56%
  • High cholesterol56%
  • Arthritis38%
  • Osteoporosis34%
  • Anxiety20%
  • Diabetes17%

Hospitals where Hannah R. Zeltzer works

Medicare's Facility Affiliation Data lists Hannah R. Zeltzer 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.

  • Sutter Davis HospitalDavis, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050537

Practice locations

Addresses where Hannah R. Zeltzer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hannah R. Zeltzer as a member of this group (CMS data updated October 2, 2026).

  • Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Sacramento

Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.

All OB-GYNs in Sacramento →

Other clinicians in Sutter Valley Medical Foundation

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

Clinician information

CredentialDO
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1942735642
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