Registry data as of Aug 27, 2026

Nihal Naccasha, M.D.

Maternal & Fetal Medicine Physician · San Luis Obispo, CA

Nihal Naccasha, M.D. is a maternal & fetal medicine physician with a practice address in San Luis Obispo, California, and NPI 1649250424, issued on Jan 18, 2006. Check the license (California A77210, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649250424
Name
Nihal Naccasha
Credential
M.D.
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
A77210 CA
Self-reported in NPPES; status is on the state search
Practice location
100 Casa St, San Luis Obispo, CA 93405
Phone
(805) 546-2057
Enumerated
Jan 18, 2006
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.
Download card Updates feed

Also registered at 100 Casa St

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

  1. Leonard Cedars, M.D.Maternal & Fetal Medicine Physician1821078692
  2. Barbara Clutter, M.D.Obstetrics & Gynecology Physician1720004237
  3. Robert Fishburn, MDRadiation Oncology Physician1508858465
  4. Melody Kopisch, N.P.Obstetrics & Gynecology Nurse Practitioner1235150921
  5. Jonathan Stella, MDRadiation Oncology Physician1790787141
  6. Lauren Tait, M.D.Radiation Oncology Physician1972821601

Verify Nihal Naccasha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A77210
    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 California 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

One hospital or facility affiliation

  1. Adventist Health Physicians NetworkSan Luis Obispo, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Maternal & Fetal Medicine Physician providers in California

There are 224 maternal & fetal medicine physician records in California.

Other maternal & fetal medicine physician records in California

  1. Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
  2. Joanna Adamczak, M.D.San Diego, CA1447428420
  3. Michelle Adams, M.D.Oakland, CA1326058991
  4. Paola Aghajanian, M.D.Los Angeles, CA1336324334
  5. Jennifer Ahn, M.D.San Diego, CA1972673879
  6. Marwan Ali, MD, MBASacramento, CA1265696660
  7. Kevin Amaya, D.O.Harbor City, CA1215193495
  8. Odul Amburgey, M.D.San Jose, CA1619196466
  9. Carol Archie, M.D.Los Angeles, CA1922118041
  10. Regina Arvon, M.D.San Francisco, CA1649483991

Common questions

What is Nihal Naccasha, M.D.'s NPI number?

Nihal Naccasha, M.D.'s National Provider Identifier (NPI) is 1649250424, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nihal Naccasha, M.D. located?

The NPPES record lists a practice address at 100 Casa St, San Luis Obispo, CA, 93405. Phone: (805) 546-2057. Providers update this record themselves, so call before visiting.

How can I verify Nihal Naccasha, M.D.'s license?

NPPES lists California license number A77210, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.