NPPES file of Aug 9, 2026

Adam Phillip Nelson, M.D.

Psychiatry Physician · Mill Valley, CA

Adam Phillip Nelson, M.D. is a psychiatry physician with a practice address in Mill Valley, California, and NPI 1124032230, issued on Jul 27, 2006. Check the license (California G68858, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124032230
Name
Adam Phillip Nelson
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
G68858 CA
Self-reported in NPPES; status is on the state search
Practice location
45 Camino Alto, Mill Valley, CA 94941
Phone
(415) 460-6710
Enumerated
Jul 27, 2006
Record last updated
Oct 4, 2023
Fax
(415) 460-6710
Medicaid ID
00G688581 CA
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 45 Camino Alto

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

  1. Bernie Carter, MFTMarriage & Family Therapist1497782890
  2. Mary Jane Landolina, LMFTMarriage & Family Therapist1669036760
  3. Anahita Mazdyasni, LMFTMarriage & Family Therapist1619340239
  4. David Meshel, PH.DPsychologist1902967581
  5. Susan Ruskin, M.S.WClinical Social Worker1992021380
  6. Deirdre Sabow, AMFTPsychologist1407636095

Verify Adam Phillip Nelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G68858
    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

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58% fewer Medicare Part D claims than the average psychiatry physician in 2024

419 Medicare Part D claims for 27 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Adam Nelson419
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl50 claims
  2. Olanzapine25 claims
  3. Sertraline Hcl20 claims
  4. Trintellix20 claims
  5. Venlafaxine Hcl Er20 claims
  6. Lamotrigine19 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: $734.89

19 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Adam Nelson$734.89
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

22 psychiatry physician records list a practice address in Mill Valley

They are 22 of the 653 NPPES records with a practice address in Mill Valley, and 8,673 psychiatry physician records in California.

Other psychiatry physician records in California

  1. Nancy Aaen, MDNapa, CA1609816669
  2. Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
  3. Mekabiz Abaian, MDSan Bernardino, CA1891090163
  4. Brenda Abarca, MDTorrance, CA1407485527
  5. Pilar Abascal, M.D.Los Angeles, CA1730528191
  6. Michele Abbasi, M.D.Westlake Village, CA1093940330
  7. Zohaib AbbasiMartinez, CA1013392224
  8. Sandy Abdelkedous, MDFresno, CA1306093109
  9. Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
  10. Ezzat Abdelmalek, M.DDana Point, CA1992828826

Common questions

What is Adam Phillip Nelson, M.D.'s NPI number?

Adam Phillip Nelson, M.D.'s National Provider Identifier (NPI) is 1124032230, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Adam Phillip Nelson, M.D. located?

The NPPES record lists a practice address at 45 Camino Alto, Mill Valley, CA, 94941. Phone: (415) 460-6710. Providers update this record themselves, so call before visiting.

How can I verify Adam Phillip Nelson, M.D.'s license?

NPPES lists California license number G68858, 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 Adam Phillip Nelson, M.D. prescribe under Medicare Part D?

In 2024, Adam Phillip Nelson, M.D. had 419 Medicare Part D claims for 27 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.