Kari L. Grabowsky, M.D.
Hospitalist Physician · Concord, CA
Kari L. Grabowsky, M.D. is a hospitalist physician with a practice address in Concord, California, and NPI 1578530218, issued on Mar 1, 2006. Check the license (California G64748, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kari L. Grabowsky
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- G64748 CA
DR.0072366 CO
49307 MN
MD224745 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Grant St Ste 200, Concord, CA 94520
- Phone
- (925) 947-3393
- Enumerated
- Mar 1, 2006
- Record last updated
- Jun 12, 2025
- Medicaid ID
- 00G647480 CA
- Medicare enrollment
- Enrolled (PECOS I20181211002264); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2700 Grant St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jaspreet Garcha, DOHospitalist Physician1114547833
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Verify Kari L. Grabowsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G64748Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average hospitalist physician in 2024
120 Medicare Part D claims for 40 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Pantoprazole Sodium17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- John Muir Physician NetworkConcord, CA
- Rural Physicians Group-Pannu PLLCGold Beach, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
Other hospitalist physician records in California
- Zina Abbas, M.D.Chula Vista, CA1962799189
- Abdul Abdali, M.D.French Camp, CA1104319771
- Michael Abdel-Malek, MDDublin, CA1952388852
- Amr Abdelaty, MDWoodland, CA1962996348
- Anwar Abdelhadi, M.D.Orange, CA1093784191
- Farid Abdelmalak, M.D.Santa Monica, CA1912392937
- Elijah AbdelmeseehLong Beach, CA1346827631
- Homayoun Abdollahzadeh, M.D.Rancho Mirage, CA1871802454
- Wajidah Abdul-KhabirDuarte, CA1215323522
- Rizwana Abdullah, MDRoseville, CA1194899401
Common questions
What is Kari L. Grabowsky, M.D.'s NPI number?
Kari L. Grabowsky, M.D.'s National Provider Identifier (NPI) is 1578530218, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kari L. Grabowsky, M.D. located?
The NPPES record lists a practice address at 2700 Grant St Ste 200, Concord, CA, 94520. Phone: (925) 947-3393. Providers update this record themselves, so call before visiting.
How can I verify Kari L. Grabowsky, M.D.'s license?
NPPES lists California license number G64748, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kari L. Grabowsky, M.D. prescribe under Medicare Part D?
In 2024, Kari L. Grabowsky, M.D. had 120 Medicare Part D claims for 40 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.