John B. Howell, M.D.
Internal Medicine Physician · Mobile, AL
John B. Howell, M.D. is an internal medicine physician with a practice address in Mobile, Alabama, and NPI 1871518225, issued on Jul 13, 2006. Check the license (Alabama 34589, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John B. Howell
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 34589 AL
MD.14958R LA
Self-reported in NPPES; status is on the state search - Practice location
- 5320 Highway 90 W, Mobile, AL 36619
- Phone
- (251) 666-8232
- Enumerated
- Jul 13, 2006
- Record last updated
- Jul 25, 2025
- Fax
- (251) 602-5660
- Medicare enrollment
- Enrolled (PECOS I20160122001228); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Also registered at 5320 Highway 90 W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Campbell, MDFamily Medicine Physician1821065509
- Harry Downing, M.D.Family Medicine Physician1558511956
- Sarah Joiner, M.D.Internal Medicine Physician1568543767
- Summer Taylor, D.P.TPhysical Therapist1922318880
Verify John B. Howell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 34589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average internal medicine physician in 2024
4,887 Medicare Part D claims for 319 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium362 claims
- Amlodipine Besylate264 claims
- Montelukast Sodium205 claims
- Meloxicam188 claims
- Pantoprazole Sodium169 claims
- Metformin Hcl Er160 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $225.47
5 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Imc-Family Medical OF Mobile LLCMobile, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John B. Howell among 1,705 internal medicine physician records in Alabama
John B. Howell, M.D. is one of 1,705 internal medicine physician records with a practice address in Alabama. 84% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2000 · median 2003 among the 1,136 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
255 internal medicine physician records list a practice address in Mobile
They are 255 of the 6,309 NPPES records with a practice address in Mobile, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Mobile → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sarah Joiner, M.D.Mobile, AL 366191568543767
- Lloyd May, MDMobile, AL 366191851343750
- Claude Mouledous, M.D.Mobile, AL 366191891719704
- Hanna Bobinger, MDMobile, AL 366171427842780
- Jacob Bolling, DOMobile, AL 366171528861143
- William Broadfoot, MDMobile, AL 366171245034214
- Erica Conway, MDMobile, AL 366171568256873
- Nicholas Friend, MDMobile, AL 366171306640339
Common questions
What is John B. Howell, M.D.'s NPI number?
John B. Howell, M.D.'s National Provider Identifier (NPI) is 1871518225, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John B. Howell, M.D. located?
The NPPES record lists a practice address at 5320 Highway 90 W, Mobile, AL, 36619. Phone: (251) 666-8232. Providers update this record themselves, so call before visiting.
How can I verify John B. Howell, M.D.'s license?
NPPES lists Alabama license number 34589, 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 B. Howell, M.D. prescribe under Medicare Part D?
In 2024, John B. Howell, M.D. had 4,887 Medicare Part D claims for 319 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John B. Howell, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.