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Rheumatology

Lisa B. Kremer, MD

Works at hospitals in Willits, CA · Ukiah, CA · Eureka, CA … · California

Summary

Dr. Lisa B. Kremer, MD is a rheumatologist at 144 Stony Point Rd, Santa Rosa, CA 95401. Phone: (707) 521-4545. Accepts Medicare assignment. In 2024, Lisa B. Kremer had 449 Original Medicare patients and 21,287 services. NPI 1144262213. 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 Lisa B. Kremer, 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 Lisa B. Kremer accept Medicare assignment?
Yes. Medicare's clinician data says Lisa B. Kremer 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 Lisa B. Kremer see?
In 2024, CMS data shows 449 Original Medicare patients and 21,287 services for Lisa B. Kremer. This counts Original Medicare only and measures volume, not quality.
What is Lisa B. Kremer's NPI number?
1144262213. 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 Lisa B. Kremer, 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 patients449
Services billed to Medicare21,287
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)2,100 services
  2. 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)543 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)459 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)355 services
  5. Injection of drug or substance under skin or into muscle (96372)112 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).

  • Arthritis75%
  • High cholesterol63%
  • High blood pressure59%
  • Osteoporosis30%
  • Anxiety22%
  • Ischemic heart disease20%

Hospitals where Lisa B. Kremer works

Medicare's Facility Affiliation Data lists Lisa B. Kremer 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 Lisa B. Kremer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lisa B. Kremer as a member of this group (CMS data updated October 2, 2026).

  • Sonoma County Indian Health Project Inc29 clinicians in the group

Specialties

Find other Rheumatology doctors in California →

Other rheumatologists in Santa Rosa

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

All rheumatologists in Santa Rosa →

Other clinicians in Sonoma County Indian Health Project Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144262213
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