Michael Alexander Thomashow

  • Oakland, CA
  • Rheumatologist
NPI1528420973PAC ID7416333935
Medicare services, 2024
31
Medicare patients, 2024
26
Part D claims, 2024
251
Publications
6
MIPS score, 2024
95
Practice address
1411 East 31st Street, Oakland, CA 94602
Practice phone
Call (510) 437-4800
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Alameda Health System - Highland Hospital

Hospital · Oakland, California

See all 4 affiliations

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Michael Alexander Thomashow is a rheumatologist in Oakland, California

Michael Thomashow practices at Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County.

Michael Thomashow's NPI, 1528420973, was assigned on March 24, 2016. Michael Thomashow graduated from Vagelos College of Physicians and Surgeons in 2016. Michael Thomashow holds California license A154000.

NPI and contact details
Medicare PAC ID
7416333935
NPI enumeration date
March 24, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 437-4800
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Michael Alexander Thomashow practices at Alameda Health System - Highland Hospital in Oakland, California

Michael Thomashow's primary practice is Alameda Health System - Highland Hospital, at 1411 East 31st Street, Oakland, CA 94602 in Alameda County. The practice phone is (510) 437-4800.

Source: Dmand AI Affiliation Data

Michael Alexander Thomashow is affiliated with 3 sites of care and 1 medical group

Michael Thomashow's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Michael Thomashow is also affiliated with Alameda Hospital. The medical group on file is Alameda Health System. Dmand AI also links Michael Thomashow to 1 more community health center, named with a free account. Michael Thomashow's employer is on file too: a hospital.

See all 4 affiliations for Michael Thomashow

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael Alexander Thomashow's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Thomashow practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Alameda Health System - Highland HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael Alexander Thomashow is one of 821 rheumatologists in California

Rheumatology is Michael Thomashow's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Michael Thomashow is board certified in internal medicine by the American Board of Internal Medicine. Michael Thomashow is licensed in California.

Specialties and state licenses

  • Rheumatology, CaliforniaPrimaryLicense A154000 · 2018 to 2026 · taxonomy 207RR0500X

Clinical focus

Dmand AI lists arthritis, gout and rheumatoid arthritis among the conditions Michael Thomashow treats.

Rheumatologists near Michael Thomashow

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

821rheumatologists in California
3rheumatologists in Oakland

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michael Alexander Thomashow billed Medicare for 31 services in 2024

CMS data shows 31 Medicare services from Michael Thomashow across 1 procedure code in 2024, for 26 Medicare patients. Medicare paid $2,165 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202431
Medicare patients26
Paid by Medicare$2,165
Procedure codes1

Michael Thomashow's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 432024: 3128%

Michael Thomashow compared with the California median for rheumatologists, 2024

  • Michael Thomashow
  • California median
Medicare services
31vs 90097% below
Medicare patients
26vs 21688% below
Part D claims
107vs 96289% below

Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.

Michael Thomashow's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Michael Thomashow

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Michael Alexander Thomashow treated 26 Medicare patients in 2024, average age 67

CMS counts 26 Medicare patients who saw Michael Thomashow in 2024. The largest group is 65 to 74, with 12 patients. 75% of them have high blood pressure, and 54% have high cholesterol. Their average risk score is 3.40, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Thomashow's median patient age at 58, with 66% women.

Medicare patients, 202426
Average age67
Average risk score3.40

Michael Thomashow's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Michael Thomashow's Medicare patients by sex, 2024

  • Women1142%
  • Men1558%

Chronic conditions among Michael Thomashow's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol54%
  3. Alcohol and drug use disorders50%
  4. Chronic kidney disease46%
  5. Mood disorders46%

Share of Medicare patients with each condition. A patient can have several.

Michael Thomashow's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women66%
  • Men31%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Michael Alexander Thomashow wrote 251 Medicare Part D claims in 2024

In 2024, Michael Thomashow wrote 251 Medicare Part D claims for 55 patients. 82% of them were for generic drugs. CMS names the drug for 107 of them, across 6 drugs with 11 or more claims each, at $94,533 in total drug cost. In 2023, CMS named 131 claims across 7 drugs.

Part D claims, 2024251
Drugs named by CMS6
Total drug cost$94,533
Part D patients55

Michael Thomashow's Part D claims by kind of drug, 2024

  • Generic205 claims82%
  • Brand-name46 claims18%

Michael Thomashow's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Michael Thomashow's Part D claims, 2024

  • Antibiotics7%17 of 251 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1312024: 10718%

Drugs named by CMS: 6 in 2024, 7 in 2023.

See all prescribing by Michael Thomashow

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Michael Alexander Thomashow scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Michael Thomashow for performance year 2024, reported as part of a group. Michael Thomashow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Michael Thomashow's MIPS scores, performance year 2024

  • 95of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Michael Alexander Thomashow has 6 publications on record

Dmand AI links 6 papers to Michael Thomashow, published from 2013 to 2023. Michael Thomashow's most frequent co-authors are Daichi Shimbo, MD, Robert Graham Barr, MD and Damien Abreu, MD, PhD.

Papers6
Years published2013 to 2023

Michael Thomashow's papers by year, 2013 to 2023

Michael Thomashow's most frequent co-authors

Recent publications by Michael Thomashow

See all 6 publications and co-authors

See who Michael Thomashow researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michael Thomashow works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Michael Alexander Thomashow received $109 in industry payments from 2022 to 2025

CMS Open Payments shows 2 general payments to Michael Thomashow from 2 drug and device companies from 2022 to 2025. Education make up the largest share, 73% of the total. Janssen Pharmaceuticals, Inc paid the most, $80.

General payments to Michael Thomashow by program year, 2022 to 2025

General payments to Michael Thomashow by kind, 2022 to 2025

$109in total
  • Education$8073%
  • Food and beverage$2927%

Companies that paid Michael Thomashow the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Thomashow

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Michael Alexander Thomashow has 1 award and honors on record

Dmand AI lists 1 award for Michael Thomashow, most recently Teacher of the Year in 2020. Michael Thomashow serves on Housestaff Improvement Project and Residency Well-Being Committee.

Awards and honors for Michael Thomashow

  1. 2020
    • Teacher of the Year

Michael Thomashow's committees and leadership roles

Housestaff Improvement ProjectCommittee Member
2018 to present
Residency Well-Being CommitteeMember
2017 to present

Source: Dmand AI Professional Profile Data

Michael Alexander Thomashow graduated from Vagelos College of Physicians and Surgeons

Michael Thomashow graduated from Vagelos College of Physicians and Surgeons in 2016.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in rheumatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Michael Alexander Thomashow accepts plans from 13 insurance carriers

Michael Thomashow is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Michael Thomashow accepts, by number of carriers

  1. Medicare8
  2. PPO8
  3. HMO6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Michael Alexander Thomashow's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael Alexander Thomashow

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael Alexander Thomashow's NPI number?

Michael Alexander Thomashow's NPI number is 1528420973. It was assigned on March 24, 2016, and it is active in the NPI Registry.

What does Michael Alexander Thomashow specialize in?

Michael Alexander Thomashow is a rheumatologist in Oakland, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Michael Alexander Thomashow practice?

Michael Thomashow practices at 1411 East 31st Street, Oakland, CA 94602. Michael Thomashow's primary practice is Alameda Health System - Highland Hospital in Oakland, California, part of Alameda County. Dmand AI also links Michael Thomashow to 1 community health center.

What is Michael Alexander Thomashow's office phone number?

The practice phone on file for Michael Thomashow is (510) 437-4800.

What is Michael Alexander Thomashow's medical license number?

Michael Thomashow holds California license A154000.

Which hospitals is Michael Alexander Thomashow affiliated with?

Michael Thomashow practices at Alameda Health System - Highland Hospital in Oakland, California. Michael Thomashow is also affiliated with Alameda Hospital.

What medical group is Michael Alexander Thomashow part of?

Michael Thomashow is linked to Alameda Health System.

Does Michael Alexander Thomashow accept Medicare?

Yes. CMS data shows Michael Thomashow billed Medicare for 31 services in 2024, and Michael Thomashow accepts Medicare assignment.

What is Michael Alexander Thomashow's MIPS score?

Michael Thomashow's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

How many Medicare patients does Michael Alexander Thomashow see?

CMS counts 26 Medicare patients who saw Michael Thomashow in 2024, with an average age of 67.

Show 9 more questionsShow fewer questions

Is Michael Alexander Thomashow board certified?

Yes. Michael Thomashow is board certified in internal medicine by the American Board of Internal Medicine.

What services does Michael Alexander Thomashow bill to Medicare?

In 2024, Michael Thomashow's most billed Medicare services were hospital inpatient care (99232).

Where did Michael Alexander Thomashow go to medical school?

Michael Thomashow graduated from Vagelos College of Physicians and Surgeons in 2016.

What drugs does Michael Alexander Thomashow prescribe most?

In 2024 Medicare Part D data, Michael Thomashow's most prescribed drugs by claims were Methotrexate, Prednisone and Allopurinol.

Has Michael Alexander Thomashow received payments from drug or device companies?

CMS Open Payments shows $109 in general payments to Michael Thomashow from 2 companies from 2022 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Michael Alexander Thomashow been practicing?

Michael Thomashow graduated from medical school in 2016, 10 years ago.

Does Michael Alexander Thomashow do research?

Dmand AI links 6 publications to Michael Thomashow, published from 2013 to 2023.

Who does Michael Alexander Thomashow publish with?

Michael Thomashow's most frequent co-authors are Daichi Shimbo, MD (3 shared papers), Robert Graham Barr, MD (2 shared papers) and Damien Abreu, MD, PhD (1 shared paper).

What insurance does Michael Alexander Thomashow accept?

Michael Thomashow is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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