NPPES file of Aug 9, 2026

Graham Oliver Childs Johnson, M.D.

Family Medicine Physician · Philadelphia, PA

Graham Oliver Childs Johnson, M.D. is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1467747436, issued on Jun 17, 2011. Check the license (Pennsylvania MD451937, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467747436
Name
Graham Oliver Childs Johnson
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD451937 PA
Self-reported in NPPES; status is on the state search
Practice location
5800 Walnut St, Philadelphia, PA 19139
Phone
(215) 474-4444
Enumerated
Jun 17, 2011
Record last updated
Jul 20, 2022
Medicare enrollment
Enrolled (PECOS I20220804000592); accepts Medicare assignment
Medical or professional school
University Of Arkansas College Of Medicine, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5800 Walnut St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lauren ClarkFamily Nurse Practitioner1366223760
  2. Patrel CunninghamGerontology Registered Nurse1174256952
  3. Ann Ilufoye, CRNPFamily Medicine Physician1639904246
  4. Onyinye Marshall, CRNPFamily Nurse Practitioner1801552617
  5. Antoinette Pierre, FNPFamily Nurse Practitioner1164116679
  6. Shanerha Tate, CRNP, WHNP-BCObstetrics & Gynecology Nurse Practitioner1124730791

Verify Graham Oliver Childs Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD451937
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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7% more Medicare Part D claims than the average family medicine physician in 2024

3,775 Medicare Part D claims for 360 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. 108 claims were for opioids.

  1. Graham Johnson3,775
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium353 claims
  2. Amlodipine Besylate307 claims
  3. Lisinopril168 claims
  4. Losartan Potassium135 claims
  5. Albuterol Sulfate Hfa125 claims
  6. Hydrochlorothiazide115 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

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Graham Oliver Childs Johnson among 7,483 family medicine physician records in Pennsylvania

Graham Oliver Childs Johnson, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 62% of them.

  • NPI issued2011 · 62% of these records are older, 36% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2011 · median 2005 among the 4,529 with a school on file
  • Record last updated2022 · 58% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

800 family medicine physician records list a practice address in Philadelphia

They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ricca Ando, DOPhiladelphia, PA 191391871721456
  2. Philip Bell, D.O.Phila, PA 191391194761783
  3. Gary Davis, MDPhiladelphia, PA 191391437178977
  4. Dana Greenblatt, MDPhiladelphia, PA 191391912943101
  5. Gerard Hart, M.D.Philadelphia, PA 191391295843357
  6. Courtney Lee, MDPhiladelphia, PA 191391801058417
  7. Noreen Lewis, DOPhiladelphia, PA 191391780674309
  8. Tushar Mehta, M.D.Philadelphia, PA 191391306979836

Common questions

What is Graham Oliver Childs Johnson, M.D.'s NPI number?

Graham Oliver Childs Johnson, M.D.'s National Provider Identifier (NPI) is 1467747436, issued on Jun 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Graham Oliver Childs Johnson, M.D. located?

The NPPES record lists a practice address at 5800 Walnut St, Philadelphia, PA, 19139. Phone: (215) 474-4444. Providers update this record themselves, so call before visiting.

How can I verify Graham Oliver Childs Johnson, M.D.'s license?

NPPES lists Pennsylvania license number MD451937, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Graham Oliver Childs Johnson, M.D. prescribe under Medicare Part D?

In 2024, Graham Oliver Childs Johnson, M.D. had 3,775 Medicare Part D claims for 360 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.