Mark I. Handelsman, D.D.S
Periodontics · Santa Monica, CA
Mark I. Handelsman, D.D.S is a periodontics with a practice address in Santa Monica, California, and NPI 1740367341, issued on Nov 1, 2006. Check the license (California 35402, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark I. Handelsman
- Credential
- D.D.S
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 35402 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 16TH St, Santa Monica, CA 90404
- Phone
- (310) 829-7550
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 829-7379
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 1245 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tristan Bickman, MDObstetrics & Gynecology Physician1245253210
- Doron Blumenfeld, MDGynecology Physician1619987658
Verify Mark I. Handelsman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35402Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average periodontics in 2024
174 Medicare Part D claims for 113 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Amoxicillin45 claims
- Sodium Fluoride21 claims
- Acetaminophen-Codeine14 claims
- Cephalexin13 claims
- Azithromycin11 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.
Mark I. Handelsman among 929 periodontics records in California
Mark I. Handelsman, D.D.S is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Santa Monica → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Farinoush Gaminchi, D.M.D.Santa Monica, CA 904041811027006
- Allen Inouye, D.D.S.Santa Monica, CA 904041083823819
- Stephen Kwan, DDSSanta Monica, CA 904041104016526
- Lionell Greenberg, DDSSanta Monica, CA 904031275628703
- Homan Hanasab, DDS, MSSanta Monica, CA 904031235392317
- Mona Monzavi, DMDSanta Monica, CA 904031154785541
- Eva Yancey, D.D.S.Santa Monica, CA 904031356367726
- Jennifer Merritt, DDSSanta Monica, CA 904011326216375
Common questions
What is Mark I. Handelsman, D.D.S's NPI number?
Mark I. Handelsman, D.D.S's National Provider Identifier (NPI) is 1740367341, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark I. Handelsman, D.D.S located?
The NPPES record lists a practice address at 1245 16TH St, Santa Monica, CA, 90404. Phone: (310) 829-7550. Providers update this record themselves, so call before visiting.
How can I verify Mark I. Handelsman, D.D.S's license?
NPPES lists California license number 35402, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark I. Handelsman, D.D.S prescribe under Medicare Part D?
In 2024, Mark I. Handelsman, D.D.S had 174 Medicare Part D claims for 113 beneficiaries; the average among periodontics prescribers was 277. 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.