AtherosclerosisCardiovascular DiseasesConfidence Intervals
Dr. Michael B. Clearfield, DO
NPI1689638561
- Publications
- 49
- Industry payments
- $7,516
- Insurance carriers
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 365 Tuolumne St, Vallejo, CA 94590-5700
- Practice phone
- Call (707) 784-2001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Clearfield's professional email, personal email and mobile number
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Dr. Michael B. Clearfield is an internist in Vallejo, California
Dr. Clearfield practices in Vallejo, California.
Dr. Clearfield's NPI, 1689638561, was assigned on April 17, 2006. Dr. Clearfield graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1975. Dr. Clearfield holds California license 20A9719.
NPI and contact details
- NPI
- 1689638561NPI Registry (opens in a new tab)
- NPI enumeration date
- April 17, 2006
- NPI status
- Active
- Practice phone
- (707) 784-2001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Michael B. Clearfield's practice address is in Vallejo, California
Dr. Clearfield's practice address in the NPI Registry is 365 Tuolumne St, Vallejo, CA 94590-5700. The practice phone is (707) 784-2001.
- NPI Registry address365 Tuolumne St, Vallejo, CA 94590-5700Phone(707) 784-2001
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Michael B. Clearfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clearfield practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Clearfield's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael B. Clearfield is one of 16,751 internists in California
Internal medicine is Dr. Clearfield's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clearfield is board certified in 2006 - 2022 by the CA State License. Dmand AI has Dr. Clearfield's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Texas license
Internists near Dr. Clearfield
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael B. Clearfield has 49 publications on record
Dmand AI links 49 papers to Dr. Clearfield, published from 2005 to 2018. 2013 was the busiest year, with 5. The most frequent topics are Anticholesteremic Agents, Cholesterol, HDL and Coronary Artery Disease. Dr. Clearfield has published most often in J Am Osteopath Assoc. Dr. Clearfield's most frequent co-authors are Stephen E. Weis, DO, Edwin James Whitney, MD and Peter Libby, MD.
Papers49
Years published2005 to 2018
Dr. Clearfield's papers by year, 2005 to 2018
Topics Dr. Clearfield writes about most
- Anticholesteremic Agents
- Cholesterol, HDL
- Coronary Artery Disease
- Lovastatin
- Cardiovascular Diseases
- Cholesterol, LDL
- Hydroxymethylglutaryl-CoA Reductase Inhibitors
- Double-Blind Method
Dr. Clearfield's most frequent co-authors
- Stephen E. Weis, DO11 shared papers
- Edwin James Whitney, MD6 shared papers
- Peter Libby, MD2 shared papers
Recent publications by Dr. Clearfield
Heart FailureHydroxymethylglutaryl-CoA Reductase InhibitorsMyocardial Infarction
See who Dr. Clearfield researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Clearfield works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael B. Clearfield received $7,516 in industry payments from 2017 to 2019
CMS Open Payments shows 6 general payments to Dr. Clearfield from 2 drug and device companies from 2017 to 2019. Consulting fees make up the largest share, 80% of the total. Novo Nordisk Inc paid the most, $7,504.
General payments to Dr. Clearfield by program year, 2017 to 2019
General payments to Dr. Clearfield by kind, 2017 to 2019
$7.5Kin total
- Consulting fees$6,00080%
- Travel and lodging$1,27517%
- Food and beverage$2413%
Companies that paid Dr. Clearfield the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael B. Clearfield graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Clearfield graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1975. Dr. Clearfield is a member of AOA.
- Medical school
- Board certified in 2006 - 2022
- Board certified in 1976 - 1987
- Board certified in 1981 - present
- Board certified in 1977 - 1988
- Board certified in 1979 - 2007
Source: Dmand AI Professional Profile Data
Dr. Michael B. Clearfield accepts plans from 1 insurance carrier
Dr. Clearfield is in network with 1 carrier, including HCSC. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- HCSC
Plan types Dr. Clearfield accepts, by number of carriers
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael B. Clearfield's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael B. Clearfield
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael B. Clearfield's NPI number?
Dr. Michael B. Clearfield's NPI number is 1689638561. It was assigned on April 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael B. Clearfield?
Dr. Michael B. Clearfield is an internist in Vallejo, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael B. Clearfield practice?
Dr. Clearfield practices at 365 Tuolumne St, Vallejo, CA 94590-5700.
What is Dr. Michael B. Clearfield's office phone number?
The practice phone on file for Dr. Clearfield is (707) 784-2001.
What is Dr. Michael B. Clearfield's medical license number?
Dr. Clearfield holds California license 20A9719, one of the licenses on file in 2 states.
Which states has Dr. Michael B. Clearfield been licensed in?
Dmand AI has state licenses on file for Dr. Clearfield in California and Texas.
Is Dr. Michael B. Clearfield board certified?
Yes. Dr. Clearfield is board certified in 2006 - 2022 by the CA State License.
Where did Dr. Michael B. Clearfield go to medical school?
Dr. Clearfield graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1975.
Has Dr. Michael B. Clearfield received payments from drug or device companies?
CMS Open Payments shows $7,516 in general payments to Dr. Clearfield from 2 companies from 2017 to 2019. The largest total came from Novo Nordisk Inc.
How long has Dr. Michael B. Clearfield been practicing?
Dr. Clearfield graduated from medical school in 1975, 51 years ago.
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Does Dr. Michael B. Clearfield do research?
Dmand AI links 49 publications to Dr. Clearfield, published from 2005 to 2018.
Who does Dr. Michael B. Clearfield publish with?
Dr. Clearfield's most frequent co-authors are Stephen E. Weis, DO (11 shared papers), Edwin James Whitney, MD (6 shared papers) and Peter Libby, MD (2 shared papers).
What insurance does Dr. Michael B. Clearfield accept?
Dr. Clearfield is in network with 1 carrier, including HCSC. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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