Mary Caitlyn Johnson, MD
Family Medicine Physician · Birmingham, AL
Mary Caitlyn Johnson, MD is a family medicine physician with a practice address in Birmingham, Alabama, and NPI 1831779701, issued on Apr 13, 2021. Check the license (Alabama 45304, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Caitlyn Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 45304 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1308 Tuscaloosa Ave SW, Birmingham, AL 35211
- Phone
- (205) 679-6325
- Enumerated
- Apr 13, 2021
- Record last updated
- Mar 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20240614002118); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,996 in Alabama → Look up another NPI →
Also registered at 1308 Tuscaloosa Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Breonna ArvieStudent in an Organized Health Care Education/Training Program1841094398
- Emma Atkinson, PHARMDPharmacist1497634307
- Jeala Barnett-GentryPsychiatry Physician1790217131
- Haylie BehnkePharmacist1861226359
- Lee Ann Beisher, M.D.Pediatrics Physician1790755387
Verify Mary Caitlyn Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 45304Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
405 Medicare Part D claims for 116 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Prednisone18 claims
- Albuterol Sulfate Hfa17 claims
- Amlodipine Besylate15 claims
- Losartan Potassium13 claims
- Cefdinir11 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.
Industry payments in 2024: $21.83
1 payment: food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Capstone Health Services Foundation PCTuscaloosa, AL
- Whatley Health Services IncTuscaloosa, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Caitlyn Johnson among 1,996 family medicine physician records in Alabama
Mary Caitlyn Johnson, MD is one of 1,996 family 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 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2021 · median 2005 among the 1,346 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 207Q00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
181 family medicine physician records list a practice address in Birmingham
They are 181 of the 15,795 NPPES records with a practice address in Birmingham, and 1,996 family medicine physician records in Alabama.
All 1,996 in Alabama → Every provider in Birmingham → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Robert Agee, MDBirmingham, AL 352111417035270
- Jennifer Brockington, D.O.Birmingham, AL 352111558653790
- Ernestine ClementsBirmingham, AL 352111619350279
- Monica Hoffmeister- Becerra, MDBirmingham, AL 352111639307754
- Sarah Kane, D.O.Birmingham, AL 352111043668353
- Lucas Kane, DOBirmingham, AL 352111306405576
- Jacquelynn Kinard, M.D.Birmingham, AL 352111962845347
- Sherin Lea, DOBirmingham, AL 352111467011734
Common questions
What is Mary Caitlyn Johnson, MD's NPI number?
Mary Caitlyn Johnson, MD's National Provider Identifier (NPI) is 1831779701, issued on Apr 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Caitlyn Johnson, MD located?
The NPPES record lists a practice address at 1308 Tuscaloosa Ave SW, Birmingham, AL, 35211. Phone: (205) 679-6325. Providers update this record themselves, so call before visiting.
How can I verify Mary Caitlyn Johnson, MD's license?
NPPES lists Alabama license number 45304, 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 Mary Caitlyn Johnson, MD prescribe under Medicare Part D?
In 2024, Mary Caitlyn Johnson, MD had 405 Medicare Part D claims for 116 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.