Sergio Hernandez, M.D.
Psychiatry Physician · Buffalo, NY
Sergio Hernandez, M.D. is a psychiatry physician with a practice address in Buffalo, New York, and NPI 1932343720, issued on Apr 24, 2009. Check the license (New York 254644, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sergio Hernandez
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 254644 NY
Self-reported in NPPES; status is on the state search - Practice location
- 400 Forest Ave, Buffalo, NY 14213
- Phone
- (716) 816-2338
- Enumerated
- Apr 24, 2009
- Record last updated
- Jun 27, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 400 Forest Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bryan AdamsRegistered Nurse1013759232
- Ashley Allen, RNRegistered Nurse1831968015
- Roberta Angielczyk, RNPsychiatric/Mental Health Registered Nurse1134942105
- Heather Bailey, RPHPharmacist1194952846
- Cassandra Baity, REGISTERED NURSEPsychiatric/Mental Health Registered Nurse1992544332
- Robert BallardRegistered Nurse1316709892
Verify Sergio Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 254644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average psychiatry physician in 2024
1,723 Medicare Part D claims for 104 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Clonazepam89 claims
- Quetiapine Fumarate88 claims
- Invega Sustenna87 claims
- Sertraline Hcl84 claims
- Trazodone Hcl73 claims
- Clozapine65 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.
Sergio Hernandez among 6,589 psychiatry physician records in New York
Sergio Hernandez, M.D. is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2025 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in New York
There are 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in Buffalo → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- George Burnett, M.D.Buffalo, NY 142131225056203
- Kulwant Buttar, MDBuffalo, NY 142131366486789
- Olga Cruz-BarriosBuffalo, NY 142131598886418
- Richard GergelisBuffalo, NY 142131225159148
- Dhruvkumar GunderiaBuffalo, NY 142131134240054
- Curlane Jones-BrownBuffalo, NY 142131588785406
- Prem KansalBuffalo, NY 142131396866216
- Allison McGuerty, MDBuffalo, NY 142131043466287
Common questions
What is Sergio Hernandez, M.D.'s NPI number?
Sergio Hernandez, M.D.'s National Provider Identifier (NPI) is 1932343720, issued on Apr 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sergio Hernandez, M.D. located?
The NPPES record lists a practice address at 400 Forest Ave, Buffalo, NY, 14213. Phone: (716) 816-2338. Providers update this record themselves, so call before visiting.
How can I verify Sergio Hernandez, M.D.'s license?
NPPES lists New York license number 254644, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sergio Hernandez, M.D. prescribe under Medicare Part D?
In 2024, Sergio Hernandez, M.D. had 1,723 Medicare Part D claims for 104 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.