Greyard R. Lamm, PA-C
Surgical Physician Assistant · Pontiac, MI
Greyard R. Lamm, PA-C is a surgical physician assistant with a practice address in Pontiac, Michigan, and NPI 1326019126, issued on Jan 30, 2006. Check the license (Michigan 5601002271, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Greyard R. Lamm
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 5601002271 MI
Self-reported in NPPES; status is on the state search - Practice location
- 461 W Huron St, Pontiac, MI 48341
- Phone
- (248) 857-7200
- Enumerated
- Jan 30, 2006
- Record last updated
- Nov 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 325 in Michigan → Look up another NPI →
Also registered at 461 W Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shanti Anderson, LPCMental Health Counselor1821411653
- Barbara Araszkiewicz-Baj, M.D.Anesthesiology Physician1932285434
- Lavonda Armstrong-Browder, MDAnesthesiology Physician1154494656
- Nitika Bansal, MDFamily Medicine Physician1821470691
- Kamel Barakat, MDFamily Medicine Physician1427579812
- Jennifer Betthauser, CNMT, RT(N)Nuclear Medicine Technology Radiologic Technologist1568509743
Verify Greyard R. Lamm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601002271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average surgical physician assistant in 2024
123 Medicare Part D claims for 66 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 65 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen42 claims
- Amoxicillin18 claims
- Oxycodone Hcl12 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): 80.6 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).
Industry payments in 2024: $26.78
1 payment: food and beverage; the largest payer was Orthofix Medical, Inc. The 7,578 providers of this specialty with any payment received $703.95 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.
Greyard R. Lamm among 325 surgical physician assistant records in Michigan
Greyard R. Lamm, PA-C is one of 325 surgical physician assistant records with a practice address in Michigan. 76% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 64% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Physician Assistant providers in Michigan
There are 325 surgical physician assistant records in Michigan.
All 325 in Michigan → Every provider in Pontiac → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Erin Martin, P.A.Pontiac, MI 483411154449338
- Gerald Thomas, PA-CPontiac, MI 483411336361443
- Mona Sater, PA.C.Clarkston, MI 483461053391847
- George Sertic, CSAFarmington, MI 483361295845592
- Steven Hubert, PACWaterford, MI 483281124065131
- Sheri Clements, PA-CWaterford, MI 483271962590737
- Luke Dillon, PAAuburn Hills, MI 483261669707170
- Yi Chao, PA-CWest Bloomfield, MI 483221578004669
Common questions
What is Greyard R. Lamm, PA-C's NPI number?
Greyard R. Lamm, PA-C's National Provider Identifier (NPI) is 1326019126, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Greyard R. Lamm, PA-C located?
The NPPES record lists a practice address at 461 W Huron St, Pontiac, MI, 48341. Phone: (248) 857-7200. Providers update this record themselves, so call before visiting.
How can I verify Greyard R. Lamm, PA-C's license?
NPPES lists Michigan license number 5601002271, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Greyard R. Lamm, PA-C prescribe under Medicare Part D?
In 2024, Greyard R. Lamm, PA-C had 123 Medicare Part D claims for 66 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Greyard R. Lamm, PA-C's MIPS final score?
The 2023 MIPS final score is 80.6 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.