Paul Charles Grimm, MD
Pediatric Nephrology Physician · Palo Alto, CA
Paul Charles Grimm, MD is a pediatric nephrology physician with a practice address in Palo Alto, California, and NPI 1184705386, issued on Oct 17, 2006. Check the license (California A44616, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Charles Grimm
- Credential
- MD
- Primary taxonomy
- Pediatric Nephrology Physician 2080P0210X
- License number
- A44616 CA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Welch RD, Palo Alto, CA 94304
- Phone
- (650) 497-8000
- Enumerated
- Oct 17, 2006
- Record last updated
- Apr 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20070117000465); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 725 Welch RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shayda Abadi, NPNurse Practitioner1316745540
- Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
- Alexandra Abbott, MDPediatrics Physician1760018675
- Steven Abboud, MDAnesthesiology Physician1619364908
- Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
- Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235
Verify Paul Charles Grimm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A44616Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average pediatric nephrology physician in 2024
39 Medicare Part D claims, against an average of 67 among the 387 providers of this specialty who prescribed in Part D. Brand-name drugs were 95% of claims.
Most prescribed
- Procysbi22 claims
- Cystadrops12 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: $17,134.09
16 payments; by number, the most common kind was travel and lodging; the largest payer was Amgen Inc. The 297 providers of this specialty with any payment received $3,704.99 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.
Bills Medicare through one group practice
- Lpch Medical Group Div OF LucilePalo Alto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Nephrology Physician providers in California
There are 116 pediatric nephrology physician records in California.
Other pediatric nephrology physician records in California
- Aalia Akber, MDOakland, CA1790050193
- Steven Alexander, MDPalo Alto, CA1790709202
- Erika Allred, M.D.San Diego, CA1073977120
- Sudhir Anand, M.D.Torrance, CA1750360426
- Ari Auron, MDRoseville, CA1578786000
- Varinder Bal, M.D.Stanford, CA1396058343
- Salar Bani HaniSan Bernardino, CA1710505854
- Shaira BediPalo Alto, CA1295468353
- Dorit Ben-Ezer, MDOrange, CA1831289909
- Nadine Benador, M.D.San Diego, CA1366513129
Common questions
What is Paul Charles Grimm, MD's NPI number?
Paul Charles Grimm, MD's National Provider Identifier (NPI) is 1184705386, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul Charles Grimm, MD located?
The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.
How can I verify Paul Charles Grimm, MD's license?
NPPES lists California license number A44616, 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 Paul Charles Grimm, MD prescribe under Medicare Part D?
In 2024, Paul Charles Grimm, MD had 39 Medicare Part D claims; the average among pediatric nephrology physician prescribers was 67. 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.