Mary Ellen Sullivan Chalmers, D.M.D.
General Practice Dentistry · Santa Rosa, CA
Mary Ellen Sullivan Chalmers, D.M.D. is a general practice dentistry with a practice address in Santa Rosa, California, and NPI 1639269152, issued on Oct 13, 2006. Check the license (California 29829, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ellen Sullivan Chalmers
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 29829 CA
Self-reported in NPPES; status is on the state search - Practice location
- 95 Montgomery Dr, Santa Rosa, CA 95404
- Phone
- (707) 545-5440
- Enumerated
- Oct 13, 2006
- Record last updated
- Aug 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (707) 545-4040
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 95 Montgomery Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harry Albers, D.D.S.General Practice Dentistry1659374643
- Gregory ApostlePediatric Dentistry1164526521
- David Benoit, MFTMarriage & Family Therapist1871519827
- Rosemary Brock, MFTMarriage & Family Therapist1689848236
- Jerome Chin, M.D. PH.D.Neurology Physician1992837496
- Michael Danford, D.D.S.General Practice Dentistry1912064031
Verify Mary Ellen Sullivan Chalmers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 29829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average general practice dentistry in 2024
15 Medicare Part D claims for 12 beneficiaries, against an average of 83 among the 70,290 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.
Mary Ellen Sullivan Chalmers among 17,852 general practice dentistry records in California
Mary Ellen Sullivan Chalmers, D.M.D. is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
114 general practice dentistry records list a practice address in Santa Rosa
They are 114 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Santa Rosa → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Harry Albers, D.D.S.Santa Rosa, CA 954041659374643
- William Butrica, D.D.S.Santa Rosa, CA 954041063575736
- Michael Danford, D.D.S.Santa Rosa, CA 954041912064031
- Mark Frey, D.D.S.Santa Rosa, CA 954041477611812
- Trevor Nguyen, DDSSanta Rosa, CA 954041043043284
- Hiko Ruo, DMDSanta Rosa, CA 954041023236940
- John Savko, D.D.S.Santa Rosa, CA 954041194861575
- Amanda Aine, DDSSanta Rosa, CA 954031437761871
Common questions
What is Mary Ellen Sullivan Chalmers, D.M.D.'s NPI number?
Mary Ellen Sullivan Chalmers, D.M.D.'s National Provider Identifier (NPI) is 1639269152, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Sullivan Chalmers, D.M.D. located?
The NPPES record lists a practice address at 95 Montgomery Dr, Santa Rosa, CA, 95404. Phone: (707) 545-5440. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Sullivan Chalmers, D.M.D.'s license?
NPPES lists California license number 29829, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ellen Sullivan Chalmers, D.M.D. prescribe under Medicare Part D?
In 2024, Mary Ellen Sullivan Chalmers, D.M.D. had 15 Medicare Part D claims for 12 beneficiaries; the average among general practice dentistry prescribers was 83. 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.