NPPES file of Aug 9, 2026

Frederick William Romberg, M.D.

Anesthesiology Physician · Santa Rosa, CA

Frederick William Romberg, M.D. is an anesthesiology physician with a practice address in Santa Rosa, California, and NPI 1306107271, issued on Jun 6, 2012. Check the license (California A152496, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306107271
Name
Frederick William Romberg
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A152496 CA
Self-reported in NPPES; status is on the state search
Practice location
30 Mark West Springs RD, Santa Rosa, CA 95403
Phone
(707) 522-1800
Enumerated
Jun 6, 2012
Record last updated
Mar 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180403002794); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 30 Mark West Springs RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lauren Anderson, RNEmergency Registered Nurse1558030361
  2. Mitchell Bailey, M.D.Surgery Physician1366422008
  3. Panathda Bayrasy, PHARMDPharmacotherapy Pharmacist1629559133
  4. Dayle Bondarev, MDNeonatal-Perinatal Medicine Physician1417451352
  5. Jonathan Chung, MDHospitalist Physician1598256414
  6. Cathy Conway, LCSWClinical Social Worker1508505561

Verify Frederick William Romberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A152496
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Qualityout of 100 · 30% of the final score84.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Anesthesia And Analgesia Medical Group IncSanta Rosa, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Frederick William Romberg among 7,571 anesthesiology physician records in California

Frederick William Romberg, 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 2012, is newer than 70% of them.

  • NPI issued2012 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2012 · median 2006 among the 4,868 with a school on file
  • Record last updated2020 · 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.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Stephen Arietta, MDSanta Rosa, CA 954031811071897
  2. Gwendolyn Boatman, MDSanta Rosa, CA 954031952485955
  3. Manuel Diaz, MDSanta Rosa, CA 954031922183243
  4. Mark Fahey, MDSanta Rosa, CA 954031184708174
  5. John Freedman, MDSanta Rosa, CA 954031558445544
  6. Kofi Inkabi, M.D.Santa Rosa, CA 954031477887024
  7. Donald Jereb, MDSanta Rosa, CA 954031821172818
  8. Clare Pearson, M.D.Santa Rosa, CA 954031720358823

Common questions

What is Frederick William Romberg, M.D.'s NPI number?

Frederick William Romberg, M.D.'s National Provider Identifier (NPI) is 1306107271, issued on Jun 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Frederick William Romberg, M.D. located?

The NPPES record lists a practice address at 30 Mark West Springs RD, Santa Rosa, CA, 95403. Phone: (707) 522-1800. Providers update this record themselves, so call before visiting.

How can I verify Frederick William Romberg, M.D.'s license?

NPPES lists California license number A152496, 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 Frederick William Romberg, 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.