Nancy Mostaan, DDS
Dentist · Tustin, CA
Nancy Mostaan, DDS is a dentist with a practice address in Tustin, California, and NPI 1962525063, issued on Apr 6, 2007. Check the license (California 41961, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Mostaan
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 41961 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17400 Irvine Blvd, Tustin, CA 92780
- Phone
- (714) 669-1808
- Enumerated
- Apr 6, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 669-5408
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 17400 Irvine Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Boyd, D.D.S.General Practice Dentistry1346499118
- Christine Burnell, M.A.Speech-Language Pathologist1285780338
- Janice Coia, DPMPodiatrist1750347399
- Huong Duong, M.D.Internal Medicine Physician1013020437
Verify Nancy Mostaan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dentist in 2024
24 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Nancy Mostaan among 14,729 dentist records in California
Nancy Mostaan, DDS is one of 14,729 dentist records with a practice address in California. 56% 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 18% of them.
- NPI issued2007 · 18% of these records are older, 58% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 dentist records list a practice address in Tustin
They are 62 of the 2,221 NPPES records with a practice address in Tustin, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Tustin → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Masoud Aram, DDSTustin, CA 927801285694695
- Jasleen Brar, DDSTustin, CA 927801538233432
- Steven Chew, D.D.S.Tustin, CA 927801629118708
- Michael Cooper, DDSTustin, CA 927801053327320
- Vinit Joshi, D.D.S.Tustin, CA 927801023172814
- Sedigheh Khatami, DDSTustin, CA 927801831264985
- Keith Kodama, D.D.S.Tustin, CA 927801164588737
- Mark Kramer, D.D.S.Tustin, CA 927801811033541
Common questions
What is Nancy Mostaan, DDS's NPI number?
Nancy Mostaan, DDS's National Provider Identifier (NPI) is 1962525063, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Mostaan, DDS located?
The NPPES record lists a practice address at 17400 Irvine Blvd, Tustin, CA, 92780. Phone: (714) 669-1808. Providers update this record themselves, so call before visiting.
How can I verify Nancy Mostaan, DDS's license?
NPPES lists California license number 41961, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Mostaan, DDS prescribe under Medicare Part D?
In 2024, Nancy Mostaan, DDS had 24 Medicare Part D claims; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
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.