NPPES file of Aug 9, 2026

Hector Diaz, M.D.

Psychiatry Physician · Lancaster, PA

Hector Diaz, M.D. is a psychiatry physician with a practice address in Lancaster, Pennsylvania, and NPI 1407818081, issued on Apr 6, 2006. Check the license (Pennsylvania MD039992L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407818081
Name
Hector Diaz
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD039992L PA
Self-reported in NPPES; status is on the state search
Practice location
802 New Holland Ave, Lancaster, PA 17602
Phone
(717) 560-3782
Enumerated
Apr 6, 2006
Record last updated
May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(717) 560-3787
Medicaid IDs
0011490660012 PA
0011490660011 PA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatry physician records → All 2,662 in Pennsylvania → Look up another NPI →

Also registered at 802 New Holland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Courtney Bates, CRNPFamily Nurse Practitioner1487999660
  2. Shirley Beale, CRNPNurse Practitioner1629476940
  3. David Berhanu, MSN, RN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1811643935
  4. Lyndra Bills, M.D.Psychiatry Physician1902897952
  5. Michael Bowen, M.D.Psychiatry Physician1861551806
  6. Eric Buckwalter, PA-CPhysician Assistant1912949009

Verify Hector Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD039992L    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Hector Diaz among 2,662 psychiatry physician records in Pennsylvania

Hector Diaz, M.D. is one of 2,662 psychiatry physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 61% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 45% of these records are
  • Record last updated2020 · 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 2084P0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 psychiatry physician records list a practice address in Lancaster

They are 53 of the 5,378 NPPES records with a practice address in Lancaster, and 2,662 psychiatry physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,662 in Pennsylvania → Every provider in Lancaster → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Lyndra Bills, M.D.Lancaster, PA 176021902897952
  2. Tyrone Bristol, M.D.Lancaster, PA 176021437150596
  3. Sean Coldren, M.D.Lancaster, PA 176021417948472
  4. Leo DorozynskyLancaster, PA 176021528068137
  5. Maria Corazon Fernando, MDLancaster, PA 176021194725994
  6. Jerome Gottlieb, MDLancaster, PA 176021821024936
  7. Paul Kettl, M.D.Lancaster, PA 176021124018254
  8. Robert Kirk, M.D.Lancaster, PA 176021740271139

Common questions

What is Hector Diaz, M.D.'s NPI number?

Hector Diaz, M.D.'s National Provider Identifier (NPI) is 1407818081, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Hector Diaz, M.D. located?

The NPPES record lists a practice address at 802 New Holland Ave, Lancaster, PA, 17602. Phone: (717) 560-3782. Providers update this record themselves, so call before visiting.

How can I verify Hector Diaz, M.D.'s license?

NPPES lists Pennsylvania license number MD039992L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.