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Family Practice

Natalie Karishev, MD

Works at hospitals in Oakland, CA · Berkeley, CA · California

Summary

Dr. Natalie Karishev, MD is a family doctor at 2320 Woolsey St, Suite 201, Berkeley, CA 94705. Phone: (510) 843-8002. Accepts Medicare assignment. In 2024, Natalie Karishev had 210 Original Medicare patients and 3,609 services. NPI 1891800124. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Natalie Karishev, 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 Natalie Karishev accept Medicare assignment?
Yes. Medicare's clinician data says Natalie Karishev 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 Natalie Karishev see?
In 2024, CMS data shows 210 Original Medicare patients and 3,609 services for Natalie Karishev. This counts Original Medicare only and measures volume, not quality.
What is Natalie Karishev's NPI number?
1891800124. 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 Natalie Karishev, 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 patients210
Services billed to Medicare3,609
Different services or procedures37
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)1,057 services
  2. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)687 services
  3. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)477 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)366 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)357 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%
  • Chronic kidney disease55%
  • Arthritis40%
  • Diabetes32%
  • Depression20%

Hospitals where Natalie Karishev works

Medicare's Facility Affiliation Data lists Natalie Karishev 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.

Practice locations

Addresses where Natalie Karishev is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in California →

Other family doctors in Berkeley

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

All family doctors in Berkeley →

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891800124
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