Registry data as of Aug 27, 2026

Thomas Mampalam, M.D.

Neurological Surgery Physician · Pinole, CA

Thomas Mampalam, M.D. is a neurological surgery physician with a practice address in Pinole, California, and NPI 1619059854, issued on Oct 19, 2006. Check the license (California G56217, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1619059854
Name
Thomas Mampalam
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
G56217 CA
Self-reported in NPPES; status is on the state search
Practice location
2150 Appian Way, Pinole, CA 94564
Phone
(510) 724-9888
Enumerated
Oct 19, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2150 Appian Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennie Byrd, M.D.Physical Medicine & Rehabilitation Physician1306891668
  2. Lewis Clayman, D.M.D., M.D.Oral and Maxillofacial Surgery (Dentist)1992799613
  3. Gary Gadwood, M.D.Surgery Physician1730245416
  4. Frayda GarfinkleMarriage & Family Therapist1063748291
  5. Brady Lyons, DMDOral and Maxillofacial Surgery (Dentist)1730256702
  6. Barbara McCoy, R.N., PSY.DClinical Psychologist1609034602

Verify Thomas Mampalam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G56217
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

39% fewer Medicare Part D claims than the average neurological surgery physician in 2024

115 Medicare Part D claims for 19 beneficiaries, against an average of 189 among the 4,152 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 84 claims were for opioids.

  1. Thomas Mampalam115
  2. Specialty average189

Most prescribed

  1. Hydrocodone-Acetaminophen62 claims
  2. Tramadol Hcl22 claims
  3. Gabapentin20 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.

Neurological Surgery Physician providers in California

There are 885 neurological surgery physician records in California.

Other neurological surgery physician records in California

  1. Mohamad Abbass, MDStanford, CA1679492151
  2. Samy Abdou, MDSan Diego, CA1215085006
  3. Kumar Abhinav, BSC MBBS, FRCS(SN)Stanford, CA1003331000
  4. Moustapha Abou-Samra, MDVentura, CA1194719807
  5. Bret Abshire, M.D.Murrieta, CA1992741912
  6. Deyaaldeen Abu Reesh, MDPalo Alto, CA1073201521
  7. Imad Abumeri, M.D.Bakersfield, CA1295732980
  8. Achal Achrol, M.D.Loma Linda, CA1275783276
  9. Geoffrey Adey, MDWalnut Creek, CA1447362520
  10. John Adler, MDStanford, CA1780736199

Common questions

What is Thomas Mampalam, M.D.'s NPI number?

Thomas Mampalam, M.D.'s National Provider Identifier (NPI) is 1619059854, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Mampalam, M.D. located?

The NPPES record lists a practice address at 2150 Appian Way, Pinole, CA, 94564. Phone: (510) 724-9888. Providers update this record themselves, so call before visiting.

How can I verify Thomas Mampalam, M.D.'s license?

NPPES lists California license number G56217, 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 Thomas Mampalam, M.D. prescribe under Medicare Part D?

In 2024, Thomas Mampalam, M.D. had 115 Medicare Part D claims for 19 beneficiaries; the average among neurological surgery physician prescribers was 189. 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.