Parwiz John Siaghani, D.O
Anatomic Pathology & Clinical Pathology Physician · Long Beach, CA
Parwiz John Siaghani, D.O is an anatomic pathology & clinical pathology physician with a practice address in Long Beach, California, and NPI 1366700205, issued on Apr 29, 2012. Check the license (California 20A13358, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Parwiz John Siaghani
- Credential
- D.O
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 20A13358 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2801 Atlantic Ave, Long Beach, CA 90806
- Phone
- (562) 933-0717
- Enumerated
- Apr 29, 2012
- Record last updated
- Aug 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (562) 933-0791
- Medicare enrollment
- Enrolled (PECOS I20170623002527); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2801 Atlantic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naima Abdirahman, NPAcute Care Nurse Practitioner1215640560
- William AbeClinical Social Worker1316550148
- Holly Adams, MSW, LCSW, OSW-CClinical Social Worker1639591134
- Jennifer Agnew, PHARM. DPharmacist1285435685
- Mannat Agnish, MD, MPHStudent in an Organized Health Care Education/Training Program1881321883
- Mary Elaine Aguilar-Choomngern, NPMedical-Surgical Registered Nurse1033765474
Verify Parwiz John Siaghani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A13358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Long Beach Memorial Pathology Medical Group, Inc.Long Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
Other anatomic pathology & clinical pathology physician records in California
- Sophie Aalaei, M.D.San Diego, CA1558454207
- Abdul Majeed Abid, MBBS, MDClovis, CA1578055414
- Ronnie Abraham, MDSan Luis Obispo, CA1124254933
- Joline Abrahams, M.D.Palm Springs, CA1679567366
- Guillermo Acero, MDOjai, CA1629144373
- Dennis Adams, M.D.Stanford, CA1053726182
- Alaa Afify, M.D.Sacramento, CA1245212950
- Ali Afsari, M.D.Orange, CA1275064362
- Mukesh AgarwalColton, CA1154901056
- Maryam Aghighi, MDSanta Rosa, CA1073074977
Common questions
What is Parwiz John Siaghani, D.O's NPI number?
Parwiz John Siaghani, D.O's National Provider Identifier (NPI) is 1366700205, issued on Apr 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Parwiz John Siaghani, D.O located?
The NPPES record lists a practice address at 2801 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 933-0717. Providers update this record themselves, so call before visiting.
How can I verify Parwiz John Siaghani, D.O's license?
NPPES lists California license number 20A13358, 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.
What is Parwiz John Siaghani, D.O's MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. 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.