Mary Margaret Johnson, DO
Family Medicine Physician · Troy, AL
Mary Margaret Johnson, DO is a family medicine physician with a practice address in Troy, Alabama, and NPI 1356978563, issued on Mar 26, 2020. Check the license (Alabama DO.3336, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Johnson
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO.3336 AL
Self-reported in NPPES; status is on the state search - Practice location
- 801 S Franklin Dr, Troy, AL 36081
- Phone
- (334) 566-9800
- Enumerated
- Mar 26, 2020
- Record last updated
- Jan 13, 2025
- Fax
- (334) 566-9867
- Medicare enrollment
- Enrolled (PECOS I20230807003389); accepts Medicare assignment
- Medical or professional school
- Alabama College Of Osteopathic Medicine, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,996 in Alabama → Look up another NPI →
Also registered at 801 S Franklin Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Branum, CRNPFamily Nurse Practitioner1306034087
- Vickie Childs, CRNPFamily Nurse Practitioner1659946655
- Stacey JonesNurse Practitioner1114090149
- Eric Law, MDFamily Medicine Physician1427295690
- Todd Pearlstein, M.D,Family Medicine Physician1821161837
- Grace Thole, DOFamily Medicine Physician1477256238
Verify Mary Margaret Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license DO.3336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average family medicine physician in 2024
2,683 Medicare Part D claims for 160 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 12 claims were for opioids.
Most prescribed
- Amlodipine Besylate157 claims
- Atorvastatin Calcium136 claims
- Levothyroxine Sodium126 claims
- Donepezil Hcl118 claims
- Losartan Potassium80 claims
- Memantine Hcl65 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.
Bills Medicare through one group practice
- Southern Health Associates LLCTroy, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Margaret Johnson among 1,996 family medicine physician records in Alabama
Mary Margaret Johnson, DO 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2020 · 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).
14 family medicine physician records list a practice address in Troy
They are 14 of the 351 NPPES records with a practice address in Troy, and 1,996 family medicine physician records in Alabama.
All 1,996 in Alabama → Every provider in Troy → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eric Law, MDTroy, AL 360811427295690
- Todd Pearlstein, M.D,Troy, AL 360811821161837
- Grace Thole, DOTroy, AL 360811477256238
- Pamela Trantham, M.D.Troy, AL 360811629141643
- Donette Bish, D.O.Troy, AL 360791346259314
- John Blough, D.O.Troy, AL 360791972513059
- Phylecya Cheatham, M.D.Troy, AL 360791952326704
- Lasan Davis, MDTuskegee, AL 360831790726867
Common questions
What is Mary Margaret Johnson, DO's NPI number?
Mary Margaret Johnson, DO's National Provider Identifier (NPI) is 1356978563, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Johnson, DO located?
The NPPES record lists a practice address at 801 S Franklin Dr, Troy, AL, 36081. Phone: (334) 566-9800. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Johnson, DO's license?
NPPES lists Alabama license number DO.3336, 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 Margaret Johnson, DO prescribe under Medicare Part D?
In 2024, Mary Margaret Johnson, DO had 2,683 Medicare Part D claims for 160 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.