Robert L. Sawyer, M.D.
Gastroenterology Physician · Mesa, AZ
Robert L. Sawyer, M.D. is a gastroenterology physician with a practice address in Mesa, Arizona, and NPI 1487616892, issued on Apr 3, 2006. Check the license (Arizona 18601, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert L. Sawyer
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 18601 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 603 W Baseline RD Ste 200, Mesa, AZ 85210
- Phone
- (480) 461-1088
- Enumerated
- Apr 3, 2006
- Record last updated
- Nov 27, 2023
- Fax
- (480) 461-1657
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 603 W Baseline RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philip Foutch, D.O.Gastroenterology Physician1790746717
- Brian Fung, MDGastroenterology Physician1366974164
- Andrew Grade, M.D.Gastroenterology Physician1881655819
- Nilay Kavathia, M.DGastroenterology Physician1174796999
- Rebecca McCollaum, A.P.R.N.Family Nurse Practitioner1669658969
- Sumir Patel, M.D.Gastroenterology Physician1801858113
Verify Robert L. Sawyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 18601Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average gastroenterology physician in 2024
134 Medicare Part D claims for 72 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Pantoprazole Sodium65 claims
- Omeprazole15 claims
- Esomeprazole Magnesium11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.73
1 payment: food and beverage; the largest payer was Organon Llc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Robert L. Sawyer among 403 gastroenterology physician records in Arizona
Robert L. Sawyer, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.
- NPI issued2006 · 17% of these records are older, 41% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Mesa → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Philip Foutch, D.O.Mesa, AZ 852101790746717
- Brian Fung, MDMesa, AZ 852101366974164
- Andrew Grade, M.D.Mesa, AZ 852101881655819
- Nilay Kavathia, M.DMesa, AZ 852101174796999
- Sumir Patel, M.D.Mesa, AZ 852101801858113
- Shiv Verma, MDMesa, AZ 852101811939747
- Howard ChungMesa, AZ 852091497246615
- Sameeha Khalid, DOMesa, AZ 852091114489705
Common questions
What is Robert L. Sawyer, M.D.'s NPI number?
Robert L. Sawyer, M.D.'s National Provider Identifier (NPI) is 1487616892, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert L. Sawyer, M.D. located?
The NPPES record lists a practice address at 603 W Baseline RD Ste 200, Mesa, AZ, 85210. Phone: (480) 461-1088. Providers update this record themselves, so call before visiting.
How can I verify Robert L. Sawyer, M.D.'s license?
NPPES lists Arizona license number 18601, 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 Robert L. Sawyer, M.D. prescribe under Medicare Part D?
In 2024, Robert L. Sawyer, M.D. had 134 Medicare Part D claims for 72 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Robert L. Sawyer, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.