Clifford Chew, MD
Otolaryngology Physician · San Francisco, CA
Clifford Chew, MD is an otolaryngology physician with a practice address in San Francisco, California, and NPI 1215036066, issued on Sep 21, 2006. Check the license (California A624720, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clifford Chew
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A624720 CA
Self-reported in NPPES; status is on the state search - Practice location
- 929 Clay St, San Francisco, CA 94108
- Phone
- (415) 433-7945
- Enumerated
- Sep 21, 2006
- Record last updated
- Nov 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (415) 433-1231
- Medicaid ID
- 9864433 CA
- Medicare enrollment
- Enrolled (PECOS I20070103000286); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 929 Clay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gustin Ho, M.D.Internal Medicine Physician1437189966
- Wenwu Jin, M.D., PH.D.Urology Physician1003051780
- Chuk Kwan, M.D.Internal Medicine Physician1336101500
Verify Clifford Chew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A624720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average otolaryngology physician in 2024
1,944 Medicare Part D claims for 794 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 15 claims were for opioids.
Most prescribed
- Fluticasone Propionate308 claims
- Fluocinolone Acetonide Oil198 claims
- Triamcinolone Acetonide178 claims
- Ofloxacin129 claims
- Ciprofloxacin-Dexamethasone109 claims
- Amoxicillin-Clavulanate Potass101 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: $128.87
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 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.
Clifford Chew among 1,212 otolaryngology physician records in California
Clifford Chew, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1995 · median 2004 among the 818 with a school on file
- Record last updated2011 · 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 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in San Francisco → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Theresa Gurney, MDSan Francisco, CA 941081629297338
- Jacob Johnson, MDSan Francisco, CA 941081457300477
- Gerald Kangelaris, MDSan Francisco, CA 941081922234285
- Aasif Kazi, M.D.San Francisco, CA 941081497169221
- Dexter Louie, MDSan Francisco, CA 941081962501700
- James Piepergerdes, M.D.San Francisco, CA 941081043285737
- David Schindler, MDSan Francisco, CA 941081457398679
- Brian Schindler, MDSan Francisco, CA 941081093753378
Common questions
What is Clifford Chew, MD's NPI number?
Clifford Chew, MD's National Provider Identifier (NPI) is 1215036066, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clifford Chew, MD located?
The NPPES record lists a practice address at 929 Clay St, San Francisco, CA, 94108. Phone: (415) 433-7945. Providers update this record themselves, so call before visiting.
How can I verify Clifford Chew, MD's license?
NPPES lists California license number A624720, 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 Clifford Chew, MD prescribe under Medicare Part D?
In 2024, Clifford Chew, MD had 1,944 Medicare Part D claims for 794 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.
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.