Robert Waldo Allen, M.D.
Surgery Physician · Watsonville, CA
Robert Waldo Allen, M.D. is a surgery physician with a practice address in Watsonville, California, and NPI 1730610403, issued on Mar 24, 2017. Check the license (California 176876, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Waldo Allen
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 176876 CA
Self-reported in NPPES; status is on the state search - Practice location
- 65 Nielson St Ste 125, Watsonville, CA 95076
- Phone
- (831) 768-6266
- Enumerated
- Mar 24, 2017
- Record last updated
- Dec 16, 2025
- Fax
- (831) 768-6289
- Medicare enrollment
- Enrolled (PECOS I20240201003002); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Verify Robert Waldo Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 176876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average surgery physician in 2024
366 Medicare Part D claims for 118 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 106 claims were for opioids.
Most prescribed
- Ondansetron Odt112 claims
- Oxycodone Hcl105 claims
- Ibuprofen77 claims
- Gabapentin27 claims
- Omeprazole17 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.
Bills Medicare through one group practice
- Pajaro Valley Health Care DistrictWatsonville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Waldo Allen among 3,118 surgery physician records in California
Robert Waldo Allen, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.
- NPI issued2017 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2017 · median 2003 among the 1,901 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Watsonville → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Alexander Friedman, MDWatsonville, CA 950761205332079
- Philip Gilman, M.D.Watsonville, CA 950761568708469
- Ryan Nolan, M.D.Watsonville, CA 950761265832950
- Howard Taekman, MDLa Selva Beach, CA 950761790825032
- Joel Weinstein, M.D.Watsonville, CA 950761023004116
- George Muhawi, M.D.Saratoga, CA 950701003161621
- Isaac Chankai, MDSanta Cruz, CA 950651922259720
- Christopher Desimone, D.O.Santa Cruz, CA 950651942620067
Common questions
What is Robert Waldo Allen, M.D.'s NPI number?
Robert Waldo Allen, M.D.'s National Provider Identifier (NPI) is 1730610403, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Robert Waldo Allen, M.D. located?
The NPPES record lists a practice address at 65 Nielson St Ste 125, Watsonville, CA, 95076. Phone: (831) 768-6266. Providers update this record themselves, so call before visiting.
How can I verify Robert Waldo Allen, M.D.'s license?
NPPES lists California license number 176876, 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 Waldo Allen, M.D. prescribe under Medicare Part D?
In 2024, Robert Waldo Allen, M.D. had 366 Medicare Part D claims for 118 beneficiaries; the average among surgery physician prescribers was 147. 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.