Robert Charles Singler, M.D.
Anesthesiology Physician · Napa, CA
Robert Charles Singler, M.D. is an anesthesiology physician with a practice address in Napa, California, and NPI 1629181318, issued on Aug 16, 2006. Check the license (California G35994, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Charles Singler
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G35994 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Trancas St, Napa, CA 94558
- Phone
- (707) 252-4411
- Enumerated
- Aug 16, 2006
- Record last updated
- Aug 24, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 257-4109
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1000 Trancas St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Albert, PH.D, BSN, IBCLCLactation Consultant (Registered Nurse)1508115247
- Christian Anderson, M.D.Radiation Oncology Physician1235160730
- Melvin Atchison, CRNACertified Registered Nurse Anesthetist1750331344
- Ernesto Avelar, PHARM DCritical Care Pharmacist1265365787
- Mark Borsody, MDNeurology Physician1215179767
- Maureen Bose, BSN, RN, IBCLCLactation Consultant (Registered Nurse)1780375733
Verify Robert Charles Singler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G35994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 88.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Robert Charles Singler among 7,571 anesthesiology physician records in California
Robert Charles Singler, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Napa → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jerry Abajian, M.D.Napa, CA 945581851336218
- Jonathan Cohen, M.D.Napa, CA 945581396819959
- Patricia Decker, M.D.Napa, CA 945581114993540
- Gregory Leipzig, M.D.Napa, CA 945581750452033
- Daniel Masluk, M.D.Napa, CA 945581619906708
- Robert Morris, M.D.Napa, CA 945581245301548
- Nicolas Wozmak, M.D.Napa, CA 945581467619353
- Robert Zellmer, M.D.Napa, CA 945581306850318
Common questions
What is Robert Charles Singler, M.D.'s NPI number?
Robert Charles Singler, M.D.'s National Provider Identifier (NPI) is 1629181318, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Charles Singler, M.D. located?
The NPPES record lists a practice address at 1000 Trancas St, Napa, CA, 94558. Phone: (707) 252-4411. Providers update this record themselves, so call before visiting.
How can I verify Robert Charles Singler, M.D.'s license?
NPPES lists California license number G35994, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Robert Charles Singler, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.