Michael B. Hajduk, MD
Hospitalist Physician · Emeryville, CA
Michael B. Hajduk, MD is a hospitalist physician with a practice address in Emeryville, California, and NPI 1215002753, issued on Nov 21, 2006. Check the license (California A84931, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael B. Hajduk
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A84931 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Powell St Ste 400, Emeryville, CA 94608
- Phone
- (510) 851-7501
- Enumerated
- Nov 21, 2006
- Record last updated
- Jan 11, 2023
- Fax
- (510) 851-7446
- Medicaid ID
- 00A849310 CA
- Medicare enrollment
- Enrolled (PECOS I20071120000160); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 2100 Powell St Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Avery, D.O.Hospitalist Physician1457694796
- Benjamin Boodt, MDEmergency Medicine Physician1780212514
- Jason Chang, PA-CPhysician Assistant1386442838
- Daniel Drewry, MDEmergency Medicine Physician1427678325
- Lewis Gamarra, M.D.Hospitalist Physician1124048608
- Elias Giraldo, MDNeurology Physician1033100722
Verify Michael B. Hajduk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average hospitalist physician in 2024
210 Medicare Part D claims for 99 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Furosemide15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 72 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Galen Inpatient Physicians PCSonora, CA
- Vituity Hospitalists PCSan Luis Obispo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. Hajduk among 3,099 hospitalist physician records in California
Michael B. Hajduk, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1998 · median 2010 among the 2,505 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 hospitalist physician records list a practice address in Emeryville
They are 13 of the 703 NPPES records with a practice address in Emeryville, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Emeryville → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- John Avery, D.O.Emeryville, CA 946081457694796
- Lewis Gamarra, M.D.Emeryville, CA 946081124048608
- Connor Johnson, MDEmeryville, CA 946081780010603
- Nadia Lupercio, M.D.Emeryville, CA 946081881837433
- Maria Marmol, M.D.Emeryville, CA 946081699904474
- Amina Martel, M.DEmeryville, CA 946081881610848
- Gigi Nickas, MDEmeryville, CA 946081710907274
- Piyal Patel, DOEmeryville, CA 946081043426745
Common questions
What is Michael B. Hajduk, MD's NPI number?
Michael B. Hajduk, MD's National Provider Identifier (NPI) is 1215002753, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. Hajduk, MD located?
The NPPES record lists a practice address at 2100 Powell St Ste 400, Emeryville, CA, 94608. Phone: (510) 851-7501. Providers update this record themselves, so call before visiting.
How can I verify Michael B. Hajduk, MD's license?
NPPES lists California license number A84931, 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 Michael B. Hajduk, MD prescribe under Medicare Part D?
In 2024, Michael B. Hajduk, MD had 210 Medicare Part D claims for 99 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Michael B. Hajduk, MD's MIPS final score?
The 2023 MIPS final score is 72 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.