NPPES file of Aug 9, 2026

Daniel Kosoy, MD FACS FRCSC

Surgery Physician · San Diego, CA

Daniel Kosoy, MD FACS FRCSC is a surgery physician with a practice address in San Diego, California, and NPI 1770627259, issued on Feb 16, 2007. Check the license (California A60375, 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
1770627259
Name
Daniel Kosoy
Credential
MD FACS FRCSC
Primary taxonomy
Surgery Physician 208600000X
License number
A60375 CA
Self-reported in NPPES; status is on the state search
Practice location
7901 Frost St, San Diego, CA 92123
Phone
(858) 939-3400
Enumerated
Feb 16, 2007
Record last updated
Nov 24, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20060207001040); 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 7901 Frost St

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

  1. Aileen Afshar, MDInternal Medicine Physician1134689946
  2. Saad Alkhider, MDInternal Medicine Physician1447712062
  3. Mustafa Alwash, M.DHospitalist Physician1679936439
  4. Alexandra Anjier, MDEmergency Medicine Physician1467087510
  5. Anna Astashchanka, MDPulmonary Disease Physician1821594359
  6. Amir Bahreman, M.D.Internal Medicine Physician1124249388

Verify Daniel Kosoy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A60375
    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. Crescent Wound Care IncModesto, CA

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

Daniel Kosoy among 3,118 surgery physician records in California

Daniel Kosoy, MD FACS FRCSC is one of 3,118 surgery physician records with a practice address in California. 75% 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 45% of them.

  • NPI issued2007 · 45% of these records are older, 42% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1994 · median 2003 among the 1,901 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. Gary Bench, M.D.San Diego, CA 921231225007974
  2. Christina Casteel, MDSan Diego, CA 921231740396167
  3. Gary Clark, M.D.San Diego, CA 921231518042274
  4. John Frey, M.D.San Diego, CA 921231396751285
  5. Allan Gamagami, M.D.San Diego, CA 921231053329193
  6. David Greenblatt, M.D.San Diego, CA 921231912955576
  7. Jeffrey Halldorson, M.D.San Diego, CA 921231558446351
  8. Marquis Hart, M.D.San Diego, CA 921231356401442

Common questions

What is Daniel Kosoy, MD FACS FRCSC's NPI number?

Daniel Kosoy, MD FACS FRCSC's National Provider Identifier (NPI) is 1770627259, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Kosoy, MD FACS FRCSC located?

The NPPES record lists a practice address at 7901 Frost St, San Diego, CA, 92123. Phone: (858) 939-3400. Providers update this record themselves, so call before visiting.

How can I verify Daniel Kosoy, MD FACS FRCSC's license?

NPPES lists California license number A60375, 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.