Matthew Benjamin Lancaster, MD
Internal Medicine Physician · Phoenix, AZ
Matthew Benjamin Lancaster, MD is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1255072138, issued on Apr 5, 2022. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Benjamin Lancaster
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4871752 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1300 N 12TH St Ste 508, Phoenix, AZ 85006
- Phone
- (602) 839-3927
- Enumerated
- Apr 5, 2022
- Record last updated
- Oct 14, 2025
- Fax
- (602) 839-4233
- Medicare enrollment
- Enrolled (PECOS I20250714000000); accepts Medicare assignment
- Medical or professional school
- University Of South Carolina School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1300 N 12TH St Ste 508
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Benjamin Lancaster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
403 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide22 claims
- Levothyroxine Sodium22 claims
- Rosuvastatin Calcium22 claims
- Atorvastatin Calcium21 claims
- Eliquis20 claims
- Losartan Potassium17 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 2 group practices
- Saint Alphonsus Regional Medical Center IncMeridian, ID
- Sound Physicians OF IdahoNampa, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Benjamin Lancaster among 2,853 internal medicine physician records in Arizona
Matthew Benjamin Lancaster, 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 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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
- Ricardo Celaya, M.D.Phoenix, AZ 850061861476095
- Lynn Crocker, D.O.Phoenix, AZ 850061558357947
- Charles David, D.O.Phoenix, AZ 850061669447652
- Lorna Honan, MDPhoenix, AZ 850061154395531
- Holger Kranich, M.D.Phoenix, AZ 850061780660266
- Marc Lee, MDPhoenix, AZ 850061962498709
- Stephen Leshin, M.D.Phoenix, AZ 850061396742771
- Anita Murcko, M.D.Phoenix, AZ 850061477558757
Common questions
What is Matthew Benjamin Lancaster, MD's NPI number?
Matthew Benjamin Lancaster, MD's National Provider Identifier (NPI) is 1255072138, issued on Apr 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Benjamin Lancaster, MD located?
The NPPES record lists a practice address at 1300 N 12TH St Ste 508, Phoenix, AZ, 85006. Phone: (602) 839-3927. Providers update this record themselves, so call before visiting.
How can I verify Matthew Benjamin Lancaster, MD's license?
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 Matthew Benjamin Lancaster, MD prescribe under Medicare Part D?
In 2024, Matthew Benjamin Lancaster, MD had 403 Medicare Part D claims for 61 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.