Gregory Marc Weiss, M.D.
Psychiatry Physician · Raleigh, NC
Gregory Marc Weiss, M.D. is a psychiatry physician with a practice address in Raleigh, North Carolina, and NPI 1902072861, issued on May 1, 2008. Check the license (North Carolina 128-162, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Marc Weiss
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 128-162 NC
0101265676 VA
Self-reported in NPPES; status is on the state search - Practice location
- 859 Washington St, Raleigh, NC 27605
- Phone
- (919) 828-9937
- Enumerated
- May 1, 2008
- Record last updated
- Aug 11, 2022
- Fax
- (919) 828-4287
- Medicare enrollment
- Enrolled (PECOS I20190308002151); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,725 in North Carolina → Look up another NPI →
Also registered at 859 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Adams, P.A.Physician Assistant1710238225
- Sheldon Chase, M.D.Psychiatry Physician1558317214
- Wendell Grigg, M.D.Psychiatry Physician1376596833
Verify Gregory Marc Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 128-162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average psychiatry physician in 2024
2,340 Medicare Part D claims for 193 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Quetiapine Fumarate193 claims
- Venlafaxine Hcl Er128 claims
- Sertraline Hcl110 claims
- Mirtazapine96 claims
- Duloxetine Hcl90 claims
- Aripiprazole80 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 MIPS final score for 2023 (Medicare payment program): 95.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dominion Health Medical AssocSouth Boston, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Marc Weiss among 1,725 psychiatry physician records in North Carolina
Gregory Marc Weiss, M.D. is one of 1,725 psychiatry physician records with a practice address in North Carolina. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2005 · median 2006 among the 744 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 psychiatry physician records list a practice address in Raleigh
They are 158 of the 16,309 NPPES records with a practice address in Raleigh, and 1,725 psychiatry physician records in North Carolina.
All 1,725 in North Carolina → Every provider in Raleigh → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jean Aycock, M.D.Raleigh, NC 276051538361449
- Sheldon Chase, M.D.Raleigh, NC 276051558317214
- Elizabeth Cox, MDRaleigh, NC 276051144580143
- Wendell Grigg, M.D.Raleigh, NC 276051376596833
- Margery Sved, MDRaleigh, NC 276051356357024
- Marjorie Carlstein, M.D.Raleigh, NC 276061013959162
- Jasmin Daniels, M.D.Raleigh, NC 276061386688091
- Maxlyn Ellison, MDRaleigh, NC 276041386859627
Common questions
What is Gregory Marc Weiss, M.D.'s NPI number?
Gregory Marc Weiss, M.D.'s National Provider Identifier (NPI) is 1902072861, issued on May 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Marc Weiss, M.D. located?
The NPPES record lists a practice address at 859 Washington St, Raleigh, NC, 27605. Phone: (919) 828-9937. Providers update this record themselves, so call before visiting.
How can I verify Gregory Marc Weiss, M.D.'s license?
NPPES lists North Carolina license number 128-162, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Marc Weiss, M.D. prescribe under Medicare Part D?
In 2024, Gregory Marc Weiss, M.D. had 2,340 Medicare Part D claims for 193 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Gregory Marc Weiss, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.1 of 100. 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.