William Joseph Grimm, DO
Internal Medicine Physician · Palm Springs, CA
William Joseph Grimm, DO is an internal medicine physician with a practice address in Palm Springs, California, and NPI 1407841315, issued on Sep 16, 2005. Check the license (California 20A6067, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Joseph Grimm
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A6067 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1492 N Palm Canyon Dr, Palm Springs, CA 92262
- Phone
- (760) 322-5156
- Enumerated
- Sep 16, 2005
- Record last updated
- Jun 6, 2023
- Fax
- (760) 322-4021
- Medicare enrollment
- Enrolled (PECOS I20040421001897); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1492 N Palm Canyon Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Joseph Grimm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,588 Medicare Part D claims for 192 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 101 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium239 claims
- Levothyroxine Sodium92 claims
- Genvoya88 claims
- Losartan Potassium79 claims
- Amlodipine Besylate78 claims
- Azithromycin75 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.
The MIPS final score for 2023 (Medicare payment program): 85.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $122.86
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
William Joseph Grimm among 17,696 internal medicine physician records in California
William Joseph Grimm, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 internal medicine physician records list a practice address in Palm Springs
They are 63 of the 1,917 NPPES records with a practice address in Palm Springs, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Palm Springs → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jessica Afable, M.DPalm Springs, CA 922621487648929
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- Alexander Del Rosario, M.D.Palm Springs, CA 922621841259231
- Paul Doherty, M.D.Palm Springs, CA 922621831183045
- Richard Ferreras, MDPalm Springs, CA 922621932168051
- Michael Jardula, MDPalm Springs, CA 922621346222510
- Neerja Kaul, MDPalm Springs, CA 922621518946722
Common questions
What is William Joseph Grimm, DO's NPI number?
William Joseph Grimm, DO's National Provider Identifier (NPI) is 1407841315, issued on Sep 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Grimm, DO located?
The NPPES record lists a practice address at 1492 N Palm Canyon Dr, Palm Springs, CA, 92262. Phone: (760) 322-5156. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Grimm, DO's license?
NPPES lists California license number 20A6067, 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 William Joseph Grimm, DO prescribe under Medicare Part D?
In 2024, William Joseph Grimm, DO had 3,588 Medicare Part D claims for 192 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Joseph Grimm, DO's MIPS final score?
The 2023 MIPS final score is 85.5 of 100. 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.