Uma Gould Dieffenbach
Psychiatry Physician · Chapel Hill, NC
Uma Gould Dieffenbach is a psychiatry physician with a practice address in Chapel Hill, North Carolina, and NPI 1538857313, issued on Apr 28, 2023. Check the license (North Carolina 2024-02164, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Uma Gould Dieffenbach
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 2024-02164 NC
Self-reported in NPPES; status is on the state search - Practice location
- 77 Vilcom Center Dr Ste 300, Chapel Hill, NC 27514
- Phone
- (984) 974-5217
- Enumerated
- Apr 28, 2023
- Record last updated
- Jul 31, 2024
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,725 in North Carolina → Look up another NPI →
Also registered at 77 Vilcom Center Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda BlockStudent in an Organized Health Care Education/Training Program1750270435
- Cheyenne Bricken, MDStudent in an Organized Health Care Education/Training Program1710734082
- Natalya Brooks, MD/PHDPsychiatry Physician1063268449
- George Brown, MDStudent in an Organized Health Care Education/Training Program1386333649
- Erica Browne, MDStudent in an Organized Health Care Education/Training Program1235073172
- Blair Carnes, MDStudent in an Organized Health Care Education/Training Program1720873821
Verify Uma Gould Dieffenbach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2024-02164Check 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% fewer Medicare Part D claims than the average psychiatry physician in 2024
173 Medicare Part D claims for 40 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxyzine Hcl15 claims
- Risperidone14 claims
- Bupropion Xl11 claims
- Fluoxetine Hcl11 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.
Uma Gould Dieffenbach among 1,725 psychiatry physician records in North Carolina
Uma Gould Dieffenbach 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 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2024 · 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).
226 psychiatry physician records list a practice address in Chapel Hill
They are 226 of the 7,608 NPPES records with a practice address in Chapel Hill, and 1,725 psychiatry physician records in North Carolina.
All 1,725 in North Carolina → Every provider in Chapel Hill → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sandra Freeman, M.D.Chapel Hill, NC 275141245250901
- Donna Frick, M.D.Chapel Hill, NC 275141275508327
- Phillip Fullwood, M.D.Chapel Hill, NC 275141710909288
- David Hawkins, MDChapel Hill, NC 275141871512327
- Bruce Hughes, MDChapel Hill, NC 275141487660304
- David Johnson, M.D.Chapel Hill, NC 275141396758678
- Kathleen Lapp, MDChapel Hill, NC 275141356439244
- Mary Lunsford, MDChapel Hill, NC 275141669491080
Common questions
What is Uma Gould Dieffenbach's NPI number?
Uma Gould Dieffenbach's National Provider Identifier (NPI) is 1538857313, issued on Apr 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Uma Gould Dieffenbach located?
The NPPES record lists a practice address at 77 Vilcom Center Dr Ste 300, Chapel Hill, NC, 27514. Phone: (984) 974-5217. Providers update this record themselves, so call before visiting.
How can I verify Uma Gould Dieffenbach's license?
NPPES lists North Carolina license number 2024-02164, 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 Uma Gould Dieffenbach prescribe under Medicare Part D?
In 2024, Uma Gould Dieffenbach had 173 Medicare Part D claims for 40 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.