Andrew Dwight Stygar, DMD
Dentist · San Marcos, CA
Andrew Dwight Stygar, DMD is a dentist with a practice address in San Marcos, California, and NPI 1851502330, issued on May 25, 2007. Check the license (California 034225, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Andrew Dwight Stygar
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 034225 CA
Self-reported in NPPES; status is on the state search - Practice location
- 637 S Rancho Santa FE RD, San Marcos, CA 92078
- Phone
- (760) 744-8199
- Enumerated
- May 25, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (760) 744-9162
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 637 S Rancho Santa FE RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline HwangDentist1659634194
Verify Andrew Dwight Stygar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 034225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average dentist in 2024
42 Medicare Part D claims for 37 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen17 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.
Andrew Dwight Stygar among 14,729 dentist records in California
Andrew Dwight Stygar, DMD 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).
46 dentist records list a practice address in San Marcos
They are 46 of the 1,985 NPPES records with a practice address in San Marcos, and 14,729 dentist records in California.
All 14,729 in California → Every provider in San Marcos → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jeffrey Allred, D.D.S.San Marcos, CA 920781194964411
- David Banks, D.D.S.San Marcos, CA 920781083620223
- Jordan ColbySan Marcos, CA 920781861874471
- Pierre Doche, DMDSan Marcos, CA 920781396789327
- Karina Gregg, DDSSan Marcos, CA 920781811276983
- Jonathan HanSan Marcos, CA 920781407529217
- Caroline HwangSan Marcos, CA 920781659634194
- Randall Leads, DDSSan Marcos, CA 920781578585188
Common questions
What is Andrew Dwight Stygar, DMD's NPI number?
Andrew Dwight Stygar, DMD's National Provider Identifier (NPI) is 1851502330, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Dwight Stygar, DMD located?
The NPPES record lists a practice address at 637 S Rancho Santa FE RD, San Marcos, CA, 92078. Phone: (760) 744-8199. Providers update this record themselves, so call before visiting.
How can I verify Andrew Dwight Stygar, DMD's license?
NPPES lists California license number 034225, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Andrew Dwight Stygar, DMD prescribe under Medicare Part D?
In 2024, Andrew Dwight Stygar, DMD had 42 Medicare Part D claims for 37 beneficiaries; 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.