NPPES file of Aug 9, 2026

Charles H. Montgomery, M.D.

Psychiatry Physician · San Ramon, CA

Charles H. Montgomery, M.D. is a psychiatry physician with a practice address in San Ramon, California, and NPI 1689730772, issued on Dec 31, 2006. Check the license (California A69876, 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
1689730772
Name
Charles H. Montgomery
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A69876 CA
Self-reported in NPPES; status is on the state search
Practice location
111 Deerwood RD, San Ramon, CA 94583
Phone
(925) 736-8584
Enumerated
Dec 31, 2006
Record last updated
Dec 30, 2022
Fax
(925) 886-3306
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 111 Deerwood RD

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

  1. Arash Abolfazlian, D.D.S., M.S.D.Orthodontics and Dentofacial Orthopedics Dentistry1780011106
  2. Nianna CrawfordBehavior Technician1134944796
  3. Cheri Dang, DMDDental Anesthesiology1740404110
  4. Steve Kim, D.D.S.General Practice Dentistry1013210426
  5. Kenneth Lum, D.D.S.Dentist1558506725
  6. Nilofar Parvin, DDSDentist1013225143

Verify Charles H. Montgomery in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A69876    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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82% fewer Medicare Part D claims than the average psychiatry physician in 2024

182 Medicare Part D claims for 13 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Charles Montgomery182
  2. Specialty average1,000

Most prescribed

  1. Venlafaxine Hcl Er26 claims
  2. Bupropion Xl23 claims
  3. Dextroamphetamine-Amphetamine21 claims
  4. Quetiapine Fumarate14 claims
  5. Alprazolam Er11 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: $247.76

2 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, 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. Charles Montgomery$247.76
  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.

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

All 8,673 in California → Every provider in San Ramon →

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 Charles H. Montgomery, M.D.'s NPI number?

Charles H. Montgomery, M.D.'s National Provider Identifier (NPI) is 1689730772, issued on Dec 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles H. Montgomery, M.D. located?

The NPPES record lists a practice address at 111 Deerwood RD, San Ramon, CA, 94583. Phone: (925) 736-8584. Providers update this record themselves, so call before visiting.

How can I verify Charles H. Montgomery, M.D.'s license?

NPPES lists California license number A69876, 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 Charles H. Montgomery, M.D. prescribe under Medicare Part D?

In 2024, Charles H. Montgomery, M.D. had 182 Medicare Part D claims for 13 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.