Brian Anthony Parker, MD
Internal Medicine Physician · Phoenix, AZ
Brian Anthony Parker, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1205525540, issued on May 3, 2023. Check the license (Arizona 74670, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian Anthony Parker
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 74670 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4840 E Indian School RD Ste 101, Phoenix, AZ 85018
- Phone
- (602) 522-1900
- Enumerated
- May 3, 2023
- Record last updated
- Jul 24, 2026
- Fax
- (602) 381-3281
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 4840 E Indian School RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shannon Kovalcik, NPNurse Practitioner1245317502
- Heidi Symons, FNP-BCFamily Nurse Practitioner1083035430
Verify Brian Anthony Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 74670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
183 Medicare Part D claims for 65 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium19 claims
- Losartan Potassium12 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: $118.57
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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.
Brian Anthony Parker among 2,853 internal medicine physician records in Arizona
Brian Anthony Parker, 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 2023, is newer than 91% of them.
- NPI issued2023 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Caitlin AllenPhoenix, AZ 850181164885588
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- Rishi Basnyat, MDPhoenix, AZ 850181609158799
- Bruce Bethancourt, M.D.Phoenix, AZ 850181548252513
- Francisco Cordova, MDPhoenix, AZ 850181003817867
- Chi Duong, DOPhoenix, AZ 850181285642108
- Nicholas Jebaily, MDPhoenix, AZ 850181710206909
- Gregory Johns, M.D.Phoenix, AZ 850181962443622
Common questions
What is Brian Anthony Parker, MD's NPI number?
Brian Anthony Parker, MD's National Provider Identifier (NPI) is 1205525540, issued on May 3, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Brian Anthony Parker, MD located?
The NPPES record lists a practice address at 4840 E Indian School RD Ste 101, Phoenix, AZ, 85018. Phone: (602) 522-1900. Providers update this record themselves, so call before visiting.
How can I verify Brian Anthony Parker, MD's license?
NPPES lists Arizona license number 74670, 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 Brian Anthony Parker, MD prescribe under Medicare Part D?
In 2024, Brian Anthony Parker, MD had 183 Medicare Part D claims for 65 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.