NPPES file of Aug 9, 2026

Mark N. Segal, MD

Plastic Surgery within the Head & Neck (Otolaryngology) Physician · Fontana, CA

Mark N. Segal, MD is a plastic surgery within the head & neck (otolaryngology) physician with a practice address in Fontana, California, and NPI 1942377767, issued on Nov 29, 2006. Check the license (California G60528, as entered in NPPES) on the Medical Board of California; 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
1942377767
Name
Mark N. Segal
Credential
MD
Primary taxonomy
Plastic Surgery within the Head & Neck (Otolaryngology) Physician 207YX0007X
License number
G60528 CA
Self-reported in NPPES; status is on the state search
Practice location
9961 Sierra Ave, Fontana, CA 92335
Phone
(909) 427-3910
Enumerated
Nov 29, 2006
Record last updated
Sep 23, 2008 (not updated in 18 years: call before relying on the address or phone)
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 plastic surgery within the head & neck (otolaryngology) physician records → All 150 in California → Look up another NPI →

Also registered at 9961 Sierra Ave

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

  1. Solomon Abila, MDFamily Medicine Physician1871652479
  2. Jenny Abouelsood, M.D.Family Medicine Physician1457638512
  3. Marla Abrolat, MDPediatrics Physician1164593133
  4. Eduardo Acosta, MDPediatrics Physician1497803324
  5. Michael Adair, MDFamily Medicine Physician1780732651
  6. Berneva Adams, MDObstetrics & Gynecology Physician1376602987

Verify Mark N. Segal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G60528    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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Mark N. Segal among 150 plastic surgery within the head & neck (otolaryngology) physician records in California

Mark N. Segal, MD is one of 150 plastic surgery within the head & neck (otolaryngology) physician records with a practice address in California. 71% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 43% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 54% of these records are
  • Record last updated2008 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0007X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Plastic Surgery within the Head & Neck (Otolaryngology) Physician providers in California

There are 150 plastic surgery within the head & neck (otolaryngology) physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 150 in California → Every provider in Fontana → Plastic Surgery within the Head & Neck (Otolaryngology) Physician nationwide →

The 8 plastic surgery within the head & neck (otolaryngology) physician records with the nearest ZIP codes

  1. Seng Chiou, MDFontana, CA 923351841361722
  2. Ronald Hebard, MDFontana, CA 923351467529305
  3. Ying Hsieh, MDFontana, CA 923351023185980
  4. Allen Hwang, MDFontana, CA 923351164599072
  5. Daniel Lee, MDFontana, CA 923351225105059
  6. Manish Patel, MDFontana, CA 923351356400097
  7. Jeanne Shepherd, MDFontana, CA 923351689741563
  8. Timothy Wheeler, MDFontana, CA 923351609943620

Common questions

What is Mark N. Segal, MD's NPI number?

Mark N. Segal, MD's National Provider Identifier (NPI) is 1942377767, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark N. Segal, MD located?

The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-3910. Providers update this record themselves, so call before visiting.

How can I verify Mark N. Segal, MD's license?

NPPES lists California license number G60528, 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. 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.