John S. Graham, MD
Internal Medicine Physician · Tucson, AZ
John S. Graham, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1336137538, issued on Oct 11, 2005. Check the license (Arizona 47141, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John S. Graham
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 47141 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1669 W Ina RD, Tucson, AZ 85704
- Phone
- (520) 795-6183
- Enumerated
- Oct 11, 2005
- Record last updated
- May 19, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130514000579); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1669 W Ina RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valerie Matthew, MDFamily Medicine Physician1770894842
Verify John S. Graham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 47141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,424 Medicare Part D claims for 660 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 127 claims were for opioids.
Most prescribed
- Atorvastatin Calcium449 claims
- Lisinopril316 claims
- Amlodipine Besylate238 claims
- Levothyroxine Sodium232 claims
- Losartan Potassium211 claims
- Omeprazole204 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: $60.67
3 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Summit Medical Group Arizona LLCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John S. Graham among 2,853 internal medicine physician records in Arizona
John S. Graham, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1992 · median 2003 among the 1,643 with a school on file
- Record last updated2021 · 51% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Homeira Baghdadi, MDTucson, AZ 857041215908397
- Scott Biehler, D.O.Tucson, AZ 857041518940089
- Michael Boren, MDTucson, AZ 857041962473041
- Randall Brown, M.D.Tucson, AZ 857041881681393
- Bill Holloman, MDTucson, AZ 857041356307771
- Paul Koss, MDTucson, AZ 857041194701029
- William Ludt, DOTucson, AZ 857041922084094
- Leonardo Mendoza, MDTucson, AZ 857041194798496
Common questions
What is John S. Graham, MD's NPI number?
John S. Graham, MD's National Provider Identifier (NPI) is 1336137538, issued on Oct 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John S. Graham, MD located?
The NPPES record lists a practice address at 1669 W Ina RD, Tucson, AZ, 85704. Phone: (520) 795-6183. Providers update this record themselves, so call before visiting.
How can I verify John S. Graham, MD's license?
NPPES lists Arizona license number 47141, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John S. Graham, MD prescribe under Medicare Part D?
In 2024, John S. Graham, MD had 6,424 Medicare Part D claims for 660 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.