NPPES file of Aug 9, 2026

Jessica Harris Neil, MD

Geriatric Medicine (Internal Medicine) Physician · San Rafael, CA

Jessica Harris Neil, MD is a geriatric medicine (internal medicine) physician with a practice address in San Rafael, California, and NPI 1831518570, issued on Apr 9, 2014. Check the license (California A139810, 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
1831518570
Name
Jessica Harris Neil
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
A139810 CA
Self-reported in NPPES; status is on the state search
Practice location
1650 Los Gamos Dr, San Rafael, CA 94903
Phone
(415) 444-4206
Enumerated
Apr 9, 2014
Record last updated
Aug 9, 2024
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 1650 Los Gamos Dr

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

  1. Vince Angelo AsuncionPhysical Therapist1346162989
  2. Julia Betchart, DPTPhysical Therapist1093548141
  3. Cooper Bloyd, MDPediatrics Physician1427634963
  4. Simon Carne, DPTPhysical Therapist1194458950
  5. Ryan Cook, MDFamily Medicine Physician1588284756
  6. Georgia CroweOccupational Therapist1053231878

Verify Jessica Harris Neil in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A139810
    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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65% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,481 Medicare Part D claims for 216 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 30 claims were for opioids.

  1. Jessica Neil1,481
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium117 claims
  2. Sertraline Hcl60 claims
  3. Tamsulosin Hcl51 claims
  4. Metoprolol Succinate50 claims
  5. Gabapentin45 claims
  6. Hydrochlorothiazide45 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.

Jessica Harris Neil among 532 geriatric medicine (internal medicine) physician records in California

Jessica Harris Neil, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Theresa Berta, MDGreenbrae, CA 949041316087612
  2. Mark Kubik, MDGreenbrae, CA 949041174746325
  3. Maryam Ziaie Matin, MDGreenbrae, CA 949041124133111
  4. Mark Sockell, MDPoint Reyers, CA 949561194810952
  5. Bindu Chopra, M.D.Cupertino, CA 950141972587426
  6. Alice Lively Hamill, DOCupertino, CA 950141336228469
  7. Linda Lu, M.D.Los Gatos, CA 950321659546596
  8. Myo Aung, MDSanta Clara, CA 950511588741441

Common questions

What is Jessica Harris Neil, MD's NPI number?

Jessica Harris Neil, MD's National Provider Identifier (NPI) is 1831518570, issued on Apr 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Harris Neil, MD located?

The NPPES record lists a practice address at 1650 Los Gamos Dr, San Rafael, CA, 94903. Phone: (415) 444-4206. Providers update this record themselves, so call before visiting.

How can I verify Jessica Harris Neil, MD's license?

NPPES lists California license number A139810, 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 Jessica Harris Neil, MD prescribe under Medicare Part D?

In 2024, Jessica Harris Neil, MD had 1,481 Medicare Part D claims for 216 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.