Dr. Martha E. Johnson, MD
- Medicare services, 2024
- 654
- Medicare patients, 2024
- 241
- Part D claims, 2024
- 1,885
- Publications
- 1
- MIPS score, 2024
- 82
- Practice address
- 29 S Paca St, Baltimore, MD 21201
- Practice phone
- Call (410) 328-6792
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University of Maryland Family Medicine Associates, P.A.
Baltimore, Maryland
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Martha E. Johnson is a family medicine physician in Baltimore, Maryland
Dr. Johnson practices at University of Maryland Family Medicine Associates, P.A. in Baltimore, Maryland.
Dr. Johnson's NPI, 1669649885, was assigned on May 15, 2008. Dr. Johnson graduated from University of Chicago, Pritzker School of Medicine in 2008. Dr. Johnson holds Maryland license D0074552.
- NPI
- 1669649885NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254504426
- NPI enumeration date
- May 15, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (410) 328-6792
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Martha E. Johnson practices at University of Maryland Family Medicine Associates, P.A. in Baltimore, Maryland
Dr. Johnson's primary practice is University of Maryland Family Medicine Associates, P.A., at 29 S Paca St, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-6792.
- University of Maryland Family Medicine Associates, P.A.29 S Paca St, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-6792
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Martha E. Johnson is affiliated with 4 sites of care and 2 medical groups
Dr. Johnson's primary practice is University of Maryland Family Medicine Associates, P.A. in Baltimore, Maryland. Dr. Johnson is also affiliated with University of Maryland Medical Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Johnson to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Martha E. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Family Medicine Associates, P.A. | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martha E. Johnson is one of 1,698 family medicine physicians in Maryland
Family medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Johnson is licensed in Maryland.
Specialties and state licenses
- Family medicine, MarylandPrimary
Family medicine physicians near Dr. Johnson
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Martha E. Johnson billed Medicare for 654 services in 2024
CMS data shows 654 Medicare services from Dr. Johnson across 13 procedure codes in 2024, for 241 Medicare patients. Medicare paid $42,551 for them.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1472024: 415182%
- Other services
- 2023: 542024: 155187%
- Tests and treatments
- 2023: 232024: 55139%
- Lab and pathology
- 2023: 02024: 29
Where Dr. Johnson's Medicare services took place, 2024
- In an office53982%
- In a facility11518%
Dr. Johnson compared with the Maryland median for family medicine physicians, 2024
- Dr. Johnson
- Maryland median
- Medicare services
- 654vs 51627% above
- Medicare patients
- 241vs 20816% above
- Part D claims
- 1,334vs 75178% above
Medians across 1,659 family medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martha E. Johnson treated 241 Medicare patients in 2024, average age 71
CMS counts 241 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 58, with 67% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women17171%
- Men7029%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis51%
- Mood disorders39%
- Ischemic heart disease36%
- Diabetes35%
- Anxiety33%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Martha E. Johnson wrote 1,885 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 1,885 Medicare Part D claims for 187 patients. 86% of them were for generic drugs. CMS names the drug for 1,334 of them, across 43 drugs with 11 or more claims each, at $177,282 in total drug cost. In 2023, CMS named 208 claims across 9 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic1,627 claims86%
- Brand-name242 claims13%
- Other16 claims1%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Opioids1%28 of 1,885 claims
- Antibiotics1%18 of 1,885 claims
- Antipsychotics, patients 65 and over2%29 of 1,885 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2082024: 1,334541%
Drugs named by CMS: 43 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Martha E. Johnson scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Johnson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Martha E. Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson in 2024. Dr. Johnson's most frequent co-author is Joel J. Heidelbaugh, MD.
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Martha E. Johnson received $17 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $17.
Companies that paid Dr. Johnson the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martha E. Johnson graduated from University of Chicago, Pritzker School of Medicine
Dr. Johnson graduated from University of Chicago, Pritzker School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martha E. Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Martha E. Johnson
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What is Dr. Martha E. Johnson's NPI number?
Dr. Martha E. Johnson's NPI number is 1669649885. It was assigned on May 15, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Martha E. Johnson?
Dr. Martha E. Johnson is a family medicine physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Martha E. Johnson practice?
Dr. Johnson practices at 29 S Paca St, Baltimore, MD 21201. Dr. Johnson's primary practice is University of Maryland Family Medicine Associates, P.A. in Baltimore, Maryland. Dmand AI also links Dr. Johnson to 2 group practices and clinics and 1 medical group.
What is Dr. Martha E. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (410) 328-6792.
What is Dr. Martha E. Johnson's medical license number?
Dr. Johnson holds Maryland license D0074552.
Which hospitals is Dr. Martha E. Johnson affiliated with?
Dr. Johnson is affiliated with University of Maryland Medical Center.
What medical group is Dr. Martha E. Johnson part of?
Dr. Johnson is linked to MedStar Medical Group. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Martha E. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 654 services in 2024, and Dr. Johnson accepts Medicare assignment.
Does Dr. Martha E. Johnson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Johnson as offering telehealth services.
What is Dr. Martha E. Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Martha E. Johnson see?
CMS counts 241 Medicare patients who saw Dr. Johnson in 2024, with an average age of 71.
What services does Dr. Martha E. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and medicare service (G0439).
Where did Dr. Martha E. Johnson go to medical school?
Dr. Johnson graduated from University of Chicago, Pritzker School of Medicine in 2008.
What drugs does Dr. Martha E. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Martha E. Johnson received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Johnson from 1 company from 2019 to 2019. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Martha E. Johnson been practicing?
Dr. Johnson graduated from medical school in 2008, 18 years ago.
Does Dr. Martha E. Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
Who does Dr. Martha E. Johnson publish with?
Dr. Johnson's most frequent co-authors are Joel J. Heidelbaugh, MD (1 shared paper).
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