Gregory K.w. Lam, M.D.
Cardiovascular Disease Physician · Circleville, OH
Gregory K.w. Lam, M.D. is a cardiovascular disease physician with a practice address in Circleville, Ohio, and NPI 1255319760, issued on Jan 4, 2006. Check the license (Ohio 35-094227, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Gregory K.w. Lam
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 35-094227 OH
35094227 OH
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Pickaway St, Circleville, OH 43113
- Phone
- (740) 420-8174
- Enumerated
- Jan 4, 2006
- Record last updated
- Jan 5, 2022
- Fax
- (740) 420-8185
- Medicaid ID
- 2998485 OH
- Medicare enrollment
- Enrolled (PECOS I20090921000252); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2002
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,009 in Ohio → Look up another NPI →
Also registered at 600 N Pickaway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Varun Ashok, M.D.Internal Medicine Physician1508271297
- Jill Barno, MDInternal Medicine Physician1922030915
- Caleb Betz, ATCAthletic Trainer1295185551
- John Bickel, PHARMD, RPHPharmacist1225409022
- Donald Blair, CRNACertified Registered Nurse Anesthetist1700853009
- Thomas Burke, MDPulmonary Disease Physician1336103647
Verify Gregory K.w. Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-094227Check 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% more Medicare Part D claims than the average cardiovascular disease physician in 2024
5,622 Medicare Part D claims for 943 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Eliquis536 claims
- Atorvastatin Calcium528 claims
- Jardiance451 claims
- Metoprolol Tartrate414 claims
- Carvedilol315 claims
- Metoprolol Succinate283 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): 81.3 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: $46,056.65
53 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Bills Medicare through one group practice
- Ohiohealth CorporationCircleville, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory K.w. Lam among 1,009 cardiovascular disease physician records in Ohio
Gregory K.w. Lam, M.D. is one of 1,009 cardiovascular disease physician records with a practice address in Ohio. 78% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 40% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2002 · median 1998 among the 680 with a school on file
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Ohio
There are 1,009 cardiovascular disease physician records in Ohio.
All 1,009 in Ohio → Every provider in Circleville → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Varun George, DOCircleville, OH 431131841815040
- Daniel Mudrick, MDCircleville, OH 431131457378325
- Amrita Karve, MDCanal Winchester, OH 431101184919185
- Michael Meleca, M.D.Canal Winchester, OH 431101942201306
- Mazen AwaisGrove City, OH 431231477670834
- Michael Buschur, MDGrove City, OH 431231851418107
- Gregory Comfort, MDGrove City, OH 431231144482415
- Jason Evanchan, D.O.Grove City, OH 431231245421924
Common questions
What is Gregory K.w. Lam, M.D.'s NPI number?
Gregory K.w. Lam, M.D.'s National Provider Identifier (NPI) is 1255319760, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory K.w. Lam, M.D. located?
The NPPES record lists a practice address at 600 N Pickaway St, Circleville, OH, 43113. Phone: (740) 420-8174. Providers update this record themselves, so call before visiting.
How can I verify Gregory K.w. Lam, M.D.'s license?
NPPES lists Ohio license number 35-094227, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory K.w. Lam, M.D. prescribe under Medicare Part D?
In 2024, Gregory K.w. Lam, M.D. had 5,622 Medicare Part D claims for 943 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Gregory K.w. Lam, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.3 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.