David Markus Diamant, MD
Family Medicine Physician · Greenville, SC
David Markus Diamant, MD is a family medicine physician with a practice address in Greenville, South Carolina, and NPI 1003221623, issued on Jun 23, 2014. Check the license (South Carolina 36855, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Markus Diamant
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36855 SC
Self-reported in NPPES; status is on the state search - Practice location
- 877 W Faris RD Ste B, Greenville, SC 29605
- Phone
- (864) 522-6225
- Enumerated
- Jun 23, 2014
- Record last updated
- Jun 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (864) 522-6235
- Medicaid ID
- 368550 SC
- Medicare enrollment
- Enrolled (PECOS I20170809002360); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Also registered at 877 W Faris RD Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Whitney Fields, DNP, APRN, NP-CFamily Nurse Practitioner1467976720
- Miranda Horton, M.D.Internal Medicine Physician1013930700
- Casey Hurst, MDFamily Medicine Physician1588892814
- Erin Johnson, N.P.Family Nurse Practitioner1669843843
- Jill McCreight, NPFamily Nurse Practitioner1669851010
- Elizabeth McKinney, M.D.Internal Medicine Physician1760772537
Verify David Markus Diamant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 36855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average family medicine physician in 2024
6,266 Medicare Part D claims for 456 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 94 claims were for opioids.
Most prescribed
- Atorvastatin Calcium446 claims
- Amlodipine Besylate335 claims
- Levothyroxine Sodium237 claims
- Hydrochlorothiazide200 claims
- Lisinopril189 claims
- Gabapentin188 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.
Industry payments in 2024: $1,306.49
78 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Markus Diamant among 2,700 family medicine physician records in South Carolina
David Markus Diamant, MD is one of 2,700 family medicine physician records with a practice address in South Carolina. 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 2014, is newer than 67% of them.
- NPI issued2014 · 67% of these records are older, 32% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2014 · median 2006 among the 1,638 with a school on file
- Record last updated2021 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
217 family medicine physician records list a practice address in Greenville
They are 217 of the 10,264 NPPES records with a practice address in Greenville, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in Greenville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ronald Ashton, M.D.Greenville, SC 296051902845886
- Peter Carek, MDGreenville, SC 296051255449294
- Gregrey Compton, MDGreenville, SC 296051134220114
- Paul FreelGreenville, SC 296051528088721
- Nurul Islam, M.D.Greenville, SC 296051861585580
- Stephen Keiser, MDGreenville, SC 296051659307007
- Allan Macdonald, MDGreenville, SC 296051275591216
- Phyllis Macgilvray, MDGreenville, SC 296051528043320
Common questions
What is David Markus Diamant, MD's NPI number?
David Markus Diamant, MD's National Provider Identifier (NPI) is 1003221623, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is David Markus Diamant, MD located?
The NPPES record lists a practice address at 877 W Faris RD Ste B, Greenville, SC, 29605. Phone: (864) 522-6225. Providers update this record themselves, so call before visiting.
How can I verify David Markus Diamant, MD's license?
NPPES lists South Carolina license number 36855, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Markus Diamant, MD prescribe under Medicare Part D?
In 2024, David Markus Diamant, MD had 6,266 Medicare Part D claims for 456 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.