Nelson Maldonado, M.D.
Surgery Physician · Grass Valley, CA
Nelson Maldonado, M.D. is a surgery physician with a practice address in Grass Valley, California, and NPI 1508921305, issued on Dec 22, 2006. Check the license (California G53915, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nelson Maldonado
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G53915 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 Catherine LN, Grass Valley, CA 95945
- Phone
- (530) 477-0931
- Enumerated
- Dec 22, 2006
- Entity
- Type 1 · individual
Also registered at 150 Catherine LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Simon Chan, M.D.Internal Medicine Physician1063431179
- Christopher Claydon, M.D.Geriatric Medicine (Family Medicine) Physician1518965235
- Susan Claydon, N.P.Family Nurse Practitioner1336147057
- Ruth Cutter, N.P.Family Nurse Practitioner1033232012
- Gwendolyn Eymann, RN-NPCommunity Health Nurse Practitioner1730392184
- Daniel Greenberg, LACAcupuncturist1861868226
Verify Nelson Maldonado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
38% fewer Medicare Part D claims than the average surgery physician in 2024
108 Medicare Part D claims for 49 beneficiaries, against an average of 174 among the 21,427 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Lorazepam50 claims
- Hydrocodone-Acetaminophen39 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: $148.66
6 payments, mostly food and beverage; the largest payer was Bard Peripheral Vascular, Inc.. The 19,002 providers of this specialty with any payment received $3,758.86 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.
One hospital or facility affiliation
- Jeffrey Brooks MD IncNapa, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Surgery Physician providers in California
There are 3,381 surgery physician records in California.
Other surgery physician records in California
- Oliver Aalami, M.D.Stanford, CA1225229024
- Shahram Aarabi, MDOakland, CA1972700458
- Miriam Abaunza, M.D.Los Angeles, CA1538470778
- Benjamin Abbadessa, M.D.San Diego, CA1255593612
- Abdul-Rahman Abdel-ReheemLos Angeles, CA1831770437
- Sandy Abdelkedous, MDFresno, CA1306093109
- Hana Abdirahman, MDTemecula, CA1265288112
- Sherwin Abdoli, MDPetaluma, CA1508386442
- Michael Abdulian, MDGlendale, CA1649469628
- Mhdshafic Abdulkarim, MDOrange, CA1750174249
Common questions
What is Nelson Maldonado, M.D.'s NPI number?
Nelson Maldonado, M.D.'s National Provider Identifier (NPI) is 1508921305, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nelson Maldonado, M.D. located?
The NPPES record lists a practice address at 150 Catherine LN, Grass Valley, CA, 95945. Phone: (530) 477-0931. Providers update this record themselves, so call before visiting.
How can I verify Nelson Maldonado, M.D.'s license?
NPPES lists California license number G53915, 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 Nelson Maldonado, M.D. prescribe under Medicare Part D?
In 2024, Nelson Maldonado, M.D. had 108 Medicare Part D claims for 49 beneficiaries; the average among surgery physician prescribers was 174. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.