Richard Gray Lassiter, M.D
Emergency Medicine Physician · Sun City West, AZ
Richard Gray Lassiter, M.D is an emergency medicine physician with a practice address in Sun City West, Arizona, and NPI 1376593780, issued on May 10, 2006. Check the license (Arizona 34038, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Richard Gray Lassiter
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 34038 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 14502 W Meeker Blvd, Sun City West, AZ 85375
- Phone
- (623) 975-8825
- Enumerated
- May 10, 2006
- Record last updated
- Jun 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 937609 AZ
- Medicare enrollment
- Enrolled (PECOS I20111101000515); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 14502 W Meeker Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Richard Gray Lassiter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 34038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average emergency medicine physician in 2024
430 Medicare Part D claims for 240 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 52 claims were for opioids.
Most prescribed
- Ibuprofen40 claims
- Cyclobenzaprine Hcl29 claims
- Hydrocodone-Acetaminophen23 claims
- Prednisone16 claims
- Albuterol Sulfate Hfa13 claims
- Acetazolamide12 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): 89.6 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
- Cep America LLCLithonia, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Gray Lassiter among 1,494 emergency medicine physician records in Arizona
Richard Gray Lassiter, M.D is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2002 · median 2014 among the 828 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 emergency medicine physician records list a practice address in Sun City West
They are 6 of the 590 NPPES records with a practice address in Sun City West, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Sun City West → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Curtis Henderson, D.O.Sun City West, AZ 853751114977154
- Patricia Kahn, D.O.Sun City West, AZ 853751740210616
- Christopher McCabe, MDSun City West, AZ 853751316470933
- Jay McCombs, D.O.Sun City West, AZ 853751669634689
- Aaron McKinney, M.D.Sun City, AZ 853751043269467
- William Mostow, M.D.Sun City, AZ 853751922057348
- Toyo Trenou, D.O.Sun City West, AZ 853751083913826
- Marie Dowling, MDSurprise, AZ 853741073717732
Common questions
What is Richard Gray Lassiter, M.D's NPI number?
Richard Gray Lassiter, M.D's National Provider Identifier (NPI) is 1376593780, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Gray Lassiter, M.D located?
The NPPES record lists a practice address at 14502 W Meeker Blvd, Sun City West, AZ, 85375. Phone: (623) 975-8825. Providers update this record themselves, so call before visiting.
How can I verify Richard Gray Lassiter, M.D's license?
NPPES lists Arizona license number 34038, 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 Richard Gray Lassiter, M.D prescribe under Medicare Part D?
In 2024, Richard Gray Lassiter, M.D had 430 Medicare Part D claims for 240 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Richard Gray Lassiter, M.D's MIPS final score?
The 2023 MIPS final score is 89.6 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.