NPPES file of Aug 9, 2026

Stephen Frederick Kirschbaum, MD

Anatomic Pathology & Clinical Pathology Physician · Bellflower, CA

Stephen Frederick Kirschbaum, MD is an anatomic pathology & clinical pathology physician with a practice address in Bellflower, California, and NPI 1518151752, issued on Aug 30, 2007. Check the license (California A87075, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1518151752
Name
Stephen Frederick Kirschbaum
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A87075 CA
Self-reported in NPPES; status is on the state search
Practice location
9400 Rosecrans Ave, Bellflower, CA 90706
Phone
(562) 461-3000
Enumerated
Aug 30, 2007
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080624000764); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9400 Rosecrans Ave

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

  1. Basil Abdelkarim, MDInternal Medicine Physician1003968454
  2. Le Marie Abellon, NPNurse Practitioner1144389867
  3. Adrian Acevedo, MDEmergency Medicine Physician1407923303
  4. Pravin Acharya, MDEmergency Medicine Physician1104993088
  5. Michele Afshar, PAPhysician Assistant1013065952
  6. Maria Agbing-Mamangun, MDPsychiatry Physician1063589984

Verify Stephen Frederick Kirschbaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A87075
    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.

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Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen Frederick Kirschbaum among 1,554 anatomic pathology & clinical pathology physician records in California

Stephen Frederick Kirschbaum, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 43% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2002 · median 2003 among the 891 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Kevin Godfrey, MDBellflower, CA 907061881761740
  2. Yasmin Qasim, MDBellflower, CA 907061447321344
  3. Rameshchandr Doshi, MDHarbor City, CA 907101134277114
  4. Yun Lin, MDHarbor City, CA 907101700934734
  5. Sony Wirio, MDHarbor City, CA 907101215004155
  6. Alfred Yamamoto, M.D.Lakewood, CA 907121457387417
  7. Azar Daneshbod, MDLos Alamitos, CA 907201386605673
  8. Indu Gupta, MDLos Alamitos, CA 907201952365124

Common questions

What is Stephen Frederick Kirschbaum, MD's NPI number?

Stephen Frederick Kirschbaum, MD's National Provider Identifier (NPI) is 1518151752, issued on Aug 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Frederick Kirschbaum, MD located?

The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.

How can I verify Stephen Frederick Kirschbaum, MD's license?

NPPES lists California license number A87075, 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), 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.