NPPES file of Aug 9, 2026

Robert A. Chase, M.D.

Otolaryngology Physician · Placerville, CA

Robert A. Chase, M.D. is an otolaryngology physician with a practice address in Placerville, California, and NPI 1487757779, issued on Sep 6, 2006. Check the license (California G74828, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487757779
Name
Robert A. Chase
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
G74828 CA
Self-reported in NPPES; status is on the state search
Practice location
4300 Golden Center Dr, Placerville, CA 95667
Phone
(530) 344-2000
Enumerated
Sep 6, 2006
Record last updated
Jan 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(530) 344-2014
Medicare enrollment
Enrolled (PECOS I20070626000293); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1977
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 4300 Golden Center Dr

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

  1. Robert Anderson, DDSGeneral Practice Dentistry1457571846
  2. Douglas Bishop, M.D.Ophthalmology Physician1093721938
  3. Antony Boody, M.D.Orthopaedic Surgery Physician1225079924
  4. Samantha Conway, PT, DPTPhysical Therapist1952023426
  5. Stephen Cyphers, M. D.Orthopaedic Surgery Physician1821034539
  6. Troy Dickson, M.D.Orthopaedic Surgery Physician1063454445

Verify Robert A. Chase in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G74828    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

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13% fewer Medicare Part D claims than the average otolaryngology physician in 2024

469 Medicare Part D claims for 162 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Robert Chase469
  2. Specialty average541

Most prescribed

  1. Ipratropium Bromide159 claims
  2. Fluticasone Propionate52 claims
  3. Azelastine Hcl49 claims
  4. Fluocinolone Acetonide Oil20 claims
  5. Methylprednisolone18 claims
  6. Ondansetron Odt18 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.

One hospital affiliation

  1. Marshall Medical CenterPlacerville, CA · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California.

All 1,212 in California → Every provider in Placerville →

Other otolaryngology physician records in California

  1. Arman Abdalkhani, MDPalo Alto, CA1356536130
  2. Abdul-Rahman Abdel-ReheemLos Angeles, CA1831770437
  3. Ahmed AbdelmeguidPalo Alto, CA1447744180
  4. Rami Abdou, M.D.Santa Rosa, CA1700143013
  5. Eric AbelloOrange, CA1922566215
  6. Mohamed Aboueisha, MDLos Angeles, CA1316678881
  7. Marianne Abouyared, M.D.Sacramento, CA1235472200
  8. Norton Abramson, M.D.San Clemente, CA1356488696
  9. Basil Adad, MDWalnut Creek, CA1487732574
  10. Brett Adams, MDStockton, CA1407934227

Common questions

What is Robert A. Chase, M.D.'s NPI number?

Robert A. Chase, M.D.'s National Provider Identifier (NPI) is 1487757779, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert A. Chase, M.D. located?

The NPPES record lists a practice address at 4300 Golden Center Dr, Placerville, CA, 95667. Phone: (530) 344-2000. Providers update this record themselves, so call before visiting.

How can I verify Robert A. Chase, M.D.'s license?

NPPES lists California license number G74828, 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.

How much does Robert A. Chase, M.D. prescribe under Medicare Part D?

In 2024, Robert A. Chase, M.D. had 469 Medicare Part D claims for 162 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.