John Isaac Baker, M.D.
Surgery Physician · Jasper, AL
John Isaac Baker, M.D. is a surgery physician with a practice address in Jasper, Alabama, and NPI 1821389081, issued on Apr 22, 2011. Check the license (Alabama 32558, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Isaac Baker
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 32558 AL
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Highway 78 E, Jasper, AL 35501
- Phone
- (205) 221-4916
- Enumerated
- Apr 22, 2011
- Record last updated
- Jun 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160908001052); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 445 in Alabama → Look up another NPI →
Also registered at 3400 Highway 78 E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Isaac Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 32558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average surgery physician in 2024
338 Medicare Part D claims for 178 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 95 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen79 claims
- Omeprazole65 claims
- Sucralfate35 claims
- Metronidazole17 claims
- Levofloxacin16 claims
- Pantoprazole Sodium12 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $197.49
4 payments; by number, the most common kind was food and beverage; the largest payer was Integra LifeSciences Corporation. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Richardson And Baker PCJasper, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Isaac Baker among 445 surgery physician records in Alabama
John Isaac Baker, M.D. is one of 445 surgery physician records with a practice address in Alabama. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2011 · median 2003 among the 290 with a school on file
- Record last updated2016 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 surgery physician records list a practice address in Jasper
They are 5 of the 500 NPPES records with a practice address in Jasper, and 445 surgery physician records in Alabama.
All 445 in Alabama → Every provider in Jasper → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Lawrence BakerJasper, AL 355011053492835
- Kyle PackerJasper, AL 355011710228986
- George Taylor, M.D.Jasper, AL 355011932632312
- Carol Adams, MDJasper, AL 355041083671994
- John Waits, M.D.Northport, AL 354761396779161
- John Morrison, M.D.Fayette, AL 355551013090174
- James Gentry, MDAliceville, AL 354421225023823
- Timothy Shaw, D.O.Guin, AL 355631306160296
Common questions
What is John Isaac Baker, M.D.'s NPI number?
John Isaac Baker, M.D.'s National Provider Identifier (NPI) is 1821389081, issued on Apr 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Isaac Baker, M.D. located?
The NPPES record lists a practice address at 3400 Highway 78 E, Jasper, AL, 35501. Phone: (205) 221-4916. Providers update this record themselves, so call before visiting.
How can I verify John Isaac Baker, M.D.'s license?
NPPES lists Alabama license number 32558, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Isaac Baker, M.D. prescribe under Medicare Part D?
In 2024, John Isaac Baker, M.D. had 338 Medicare Part D claims for 178 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is John Isaac Baker, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.