Gilbert Harrison, MD
Internal Medicine Physician · Sacaton, AZ
Gilbert Harrison, MD is an internal medicine physician with a practice address in Sacaton, Arizona, and NPI 1487942306, issued on Jul 12, 2011. Check the license (Arizona 49464, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gilbert Harrison
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 49464 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 483 W. Seed Farm RD., Sacaton, AZ 85147
- Phone
- (602) 528-1200
- Enumerated
- Jul 12, 2011
- Record last updated
- Jul 24, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (602) 528-1255
- Medicare enrollment
- Enrolled (PECOS I20140731001362); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 483 W. Seed Farm RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lorraine Aguilar, RNP WHCWomen's Health Nurse Practitioner1154406874
- Dustin Akina, P.T., DPTPhysical Therapist1124569892
- Arlene Allison, LISACCounselor1770860934
- Manny AthansAddiction (Substance Use Disorder) Counselor1447619523
- Linda Baldwin, PA-CPhysician Assistant1477537132
- Wendolyn Bitselley Calderon, FNP-CFamily Nurse Practitioner1972992360
Verify Gilbert Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 49464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,904 Medicare Part D claims for 140 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium229 claims
- Lisinopril156 claims
- Gabapentin140 claims
- Pantoprazole Sodium106 claims
- Amlodipine Besylate99 claims
- Albuterol Sulfate Hfa94 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Gila River Health Care CorporationSacaton, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gilbert Harrison among 2,853 internal medicine physician records in Arizona
Gilbert Harrison, 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 2011, is newer than 62% of them.
- NPI issued2011 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2009 · median 2003 among the 1,643 with a school on file
- Record last updated2014 · 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).
15 internal medicine physician records list a practice address in Sacaton
They are 15 of the 321 NPPES records with a practice address in Sacaton, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Sacaton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ashley CastilloSacaton, AZ 851471124448246
- David Eppehimer, MDSacaton, AZ 851471952385650
- Doina Jianu, MDSacaton, AZ 851471326003138
- Edwin Mgbam, MDSacaton, AZ 851471265492433
- Viji Murugavel, M.D.Sacaton, AZ 851471215918008
- Marius Nistor, M.D.Sacaton, AZ 851471932288495
- Jigna Patel, MDSacaton, AZ 851471376503755
- Swathi Ponnathota, M.D.Sacaton, AZ 851471437595527
Common questions
What is Gilbert Harrison, MD's NPI number?
Gilbert Harrison, MD's National Provider Identifier (NPI) is 1487942306, issued on Jul 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Gilbert Harrison, MD located?
The NPPES record lists a practice address at 483 W. Seed Farm RD., Sacaton, AZ, 85147. Phone: (602) 528-1200. Providers update this record themselves, so call before visiting.
How can I verify Gilbert Harrison, MD's license?
NPPES lists Arizona license number 49464, 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 Gilbert Harrison, MD prescribe under Medicare Part D?
In 2024, Gilbert Harrison, MD had 2,904 Medicare Part D claims for 140 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gilbert Harrison, MD's MIPS final score?
The 2023 MIPS final score is 87 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.