John Barry King, MD
Internal Medicine Physician · Birmingham, AL
John Barry King, MD is an internal medicine physician with a practice address in Birmingham, Alabama, and NPI 1609806132, issued on Jul 3, 2006. Check the license (Alabama 16619, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Barry King
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16619 AL
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Ridgeway Dr, Birmingham, AL 35209
- Phone
- (205) 612-1659
- Enumerated
- Jul 3, 2006
- Record last updated
- May 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 000096618 AL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,705 in Alabama → Look up another NPI →
Also registered at 3800 Ridgeway Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Barry King in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 16619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
897 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Levothyroxine Sodium45 claims
- Eliquis44 claims
- Famotidine27 claims
- Furosemide25 claims
- Amlodipine Besylate24 claims
- Allopurinol23 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.
John Barry King among 1,705 internal medicine physician records in Alabama
John Barry King, MD 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 fileNo · 67% of these records are
- Record last updated2021 · 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).
487 internal medicine physician records list a practice address in Birmingham
They are 487 of the 15,795 NPPES records with a practice address in Birmingham, and 1,705 internal medicine physician records in Alabama.
All 1,705 in Alabama → Every provider in Birmingham → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Larry Alford, M.D.Birmingham, AL 352091386699627
- Jon Bernreuter, M.D.Birmingham, AL 352091306880364
- Gary Boyd, M.D.Birmingham, AL 352091518952944
- Walter Dunn, M.D.Birmingham, AL 352091841245800
- Charles Felgner, M.D.Birmingham, AL 352091871594176
- Elizabeth Griffin, MDBirmingham, AL 352091366410532
- Joshua Ivker, M.D.Birmingham, AL 352091639118409
- Vicki Martin, MDBirmingham, AL 352091396706586
Common questions
What is John Barry King, MD's NPI number?
John Barry King, MD's National Provider Identifier (NPI) is 1609806132, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Barry King, MD located?
The NPPES record lists a practice address at 3800 Ridgeway Dr, Birmingham, AL, 35209. Phone: (205) 612-1659. Providers update this record themselves, so call before visiting.
How can I verify John Barry King, MD's license?
NPPES lists Alabama license number 16619, 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 Barry King, MD prescribe under Medicare Part D?
In 2024, John Barry King, MD had 897 Medicare Part D claims for 116 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.