Guillermo A. Roman, DDS
Prosthodontics · Encino, CA
Guillermo A. Roman, DDS is a prosthodontics with a practice address in Encino, California, and NPI 1164544904, issued on Apr 4, 2007. Check the license (California 34413, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Guillermo A. Roman
- Credential
- DDS
- Primary taxonomy
- Prosthodontics 1223P0700X
- License number
- 34413 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16311 Ventura Blvd Ste 1066, Encino, CA 91436
- Phone
- (818) 906-0455
- Enumerated
- Apr 4, 2007
- Record last updated
- May 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest prosthodontics records → All 474 in California → Look up another NPI →
Also registered at 16311 Ventura Blvd Ste 1066
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deciy Giraldo, DDSDentist1144926965
Verify Guillermo A. Roman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34413Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average prosthodontics in 2024
35 Medicare Part D claims for 16 beneficiaries, against an average of 90 among the 1,779 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.
Guillermo A. Roman among 474 prosthodontics records in California
Guillermo A. Roman, DDS is one of 474 prosthodontics records with a practice address in California. 61% 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 25% of them.
- NPI issued2007 · 25% of these records are older, 45% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2019 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Prosthodontics providers in California
There are 474 prosthodontics records in California.
All 474 in California → Every provider in Encino → Prosthodontics nationwide →
The 8 prosthodontics records with the nearest ZIP codes
- Mark Exler, D.D.S.Encino, CA 914361386824118
- Ronald Koslowski, DDSEncino, CA 914361194870501
- Saadat Safa, DMD., MS,Encino, CA 914361477663995
- Cibel Smirlian, DDSEncino, CA 914361750664926
- Rosemarie Whitaker, DDSEncino, CA 914361912342627
- Jinus Emrani, DDSVan Nuys, CA 914051578709283
- Jeffrey Tom, DDSSherman Oaks, CA 914031336341049
- Armen Hartoonian, DMD, CAGSBurbank, CA 915021578685236
Common questions
What is Guillermo A. Roman, DDS's NPI number?
Guillermo A. Roman, DDS's National Provider Identifier (NPI) is 1164544904, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo A. Roman, DDS located?
The NPPES record lists a practice address at 16311 Ventura Blvd Ste 1066, Encino, CA, 91436. Phone: (818) 906-0455. Providers update this record themselves, so call before visiting.
How can I verify Guillermo A. Roman, DDS's license?
NPPES lists California license number 34413, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Guillermo A. Roman, DDS prescribe under Medicare Part D?
In 2024, Guillermo A. Roman, DDS had 35 Medicare Part D claims for 16 beneficiaries; the average among prosthodontics prescribers was 90. 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.