Catherina Yang Greenberg, MD
Otolaryngology Physician · Menlo Park, CA
Catherina Yang Greenberg, MD is an otolaryngology physician with a practice address in Menlo Park, California, and NPI 1629606538, issued on Mar 28, 2020. Check the license (California A201535, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherina Yang Greenberg
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- A201535 CA
Self-reported in NPPES; status is on the state search - Practice location
- 657 Oak Grove Ave, Menlo Park, CA 94025
- Phone
- (650) 668-2258
- Enumerated
- Mar 28, 2020
- Record last updated
- Oct 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20251209003560); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 657 Oak Grove Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thuy Phuong, PA-CPhysician Assistant1851218648
Verify Catherina Yang Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A201535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average otolaryngology physician in 2024
45 Medicare Part D claims for 31 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen12 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.
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
Other otolaryngology physician records in California
- Arman Abdalkhani, MDPalo Alto, CA1356536130
- Abdul-Rahman Abdel-ReheemLos Angeles, CA1831770437
- Ahmed AbdelmeguidPalo Alto, CA1447744180
- Rami Abdou, M.D.Santa Rosa, CA1700143013
- Eric AbelloOrange, CA1922566215
- Mohamed Aboueisha, MDLos Angeles, CA1316678881
- Marianne Abouyared, M.D.Sacramento, CA1235472200
- Norton Abramson, M.D.San Clemente, CA1356488696
- Basil Adad, MDWalnut Creek, CA1487732574
- Brett Adams, MDStockton, CA1407934227
Common questions
What is Catherina Yang Greenberg, MD's NPI number?
Catherina Yang Greenberg, MD's National Provider Identifier (NPI) is 1629606538, issued on Mar 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Catherina Yang Greenberg, MD located?
The NPPES record lists a practice address at 657 Oak Grove Ave, Menlo Park, CA, 94025. Phone: (650) 668-2258. Providers update this record themselves, so call before visiting.
How can I verify Catherina Yang Greenberg, MD's license?
NPPES lists California license number A201535, 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 Catherina Yang Greenberg, MD prescribe under Medicare Part D?
In 2024, Catherina Yang Greenberg, MD had 45 Medicare Part D claims for 31 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.