Mason Y. Lee, DDS, APC
Oral & Maxillofacial Surgery (D.M.D.) · San Rafael, CA
Mason Y. Lee, DDS, APC is an oral & maxillofacial surgery (d.m.d.) with a practice address in San Rafael, California, and NPI 1316007305, issued on Dec 11, 2006. Check the license (California A070735, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mason Y. Lee
- Credential
- DDS, APC
- Primary taxonomy
- Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
- License numbers
- A070735 CA
42929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Las Gallinas Ave, San Rafael, CA 94903
- Phone
- (415) 472-5040
- Enumerated
- Dec 11, 2006
- Record last updated
- Oct 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (415) 472-5043
- Entity
- Type 1 · individual
8 nearest oral & maxillofacial surgery (d.m.d.) records → All 154 in California → Look up another NPI →
Also registered at 750 Las Gallinas Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Bauman, M.D.Internal Medicine Physician1710077482
- Ralph Bien, M.D.Psychiatry Physician1770648628
- Catherine Cox, D.D.S.General Practice Dentistry1780715060
- Michael Dab, D.D.S.General Practice Dentistry1063416311
- Mark Drucker, D.P.M.Foot & Ankle Surgery Podiatrist1720013550
- Albert Goldberg, MDPediatrics Physician1518070952
Verify Mason Y. Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A070735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average oral & maxillofacial surgery (d.m.d.) in 2024
223 Medicare Part D claims for 109 beneficiaries, against an average of 366 among the 1,051 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 104 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen73 claims
- Amoxicillin71 claims
- Chlorhexidine Gluconate25 claims
- Clindamycin Hcl19 claims
- Acetaminophen-Codeine16 claims
- Oxycodone-Acetaminophen14 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.
Industry payments in 2024: $273.81
4 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 800 providers of this specialty with any payment received $1,463.03 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mason Y. Lee among 154 oral & maxillofacial surgery (d.m.d.) records in California
Mason Y. Lee, DDS, APC is one of 154 oral & maxillofacial surgery (d.m.d.) records with a practice address in California. 87% 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, 73% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 16% of these records are
- Record last updated2014 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 204E00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral & Maxillofacial Surgery (D.M.D.) providers in California
There are 154 oral & maxillofacial surgery (d.m.d.) records in California.
All 154 in California → Every provider in San Rafael → Oral & Maxillofacial Surgery (D.M.D.) nationwide →
The 8 oral & maxillofacial surgery (d.m.d.) records with the nearest ZIP codes
- Louis Tieu, D.D.S.,M.D.Campbell, CA 950081972641595
- Nima Massoomi, DMD, MED, MDCupertino, CA 950141346397221
- Joseph McMurray, D.M.D.Gilroy, CA 950201730288671
- John Emison, M.D., D.D.S.Los Gatos, CA 950321114091816
- Nicole Lee, DDSSanta Clara, CA 950501043844889
- Ramiz Mogannam, DMDSanta Clara, CA 950501700244068
- Nikhil Desai, DMD, MDSanta Clara, CA 950511598812471
- Alireza Sodeifi, M.D., D.M.D.Saratoga, CA 950701851407753
Common questions
What is Mason Y. Lee, DDS, APC's NPI number?
Mason Y. Lee, DDS, APC's National Provider Identifier (NPI) is 1316007305, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mason Y. Lee, DDS, APC located?
The NPPES record lists a practice address at 750 Las Gallinas Ave, San Rafael, CA, 94903. Phone: (415) 472-5040. Providers update this record themselves, so call before visiting.
How can I verify Mason Y. Lee, DDS, APC's license?
NPPES lists California license number A070735, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mason Y. Lee, DDS, APC prescribe under Medicare Part D?
In 2024, Mason Y. Lee, DDS, APC had 223 Medicare Part D claims for 109 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 366. 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.