NPPES file of Aug 9, 2026

Charmaine I. Semeniuk, M.D.

Psychiatry Physician · San Diego, CA

Charmaine I. Semeniuk, M.D. is a psychiatry physician with a practice address in San Diego, California, and NPI 1215012836, issued on Oct 25, 2006. Check the license (California CS0442, 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
1215012836
Name
Charmaine I. Semeniuk
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
CS0442 CA
Self-reported in NPPES; status is on the state search
Practice location
3211 Jefferson St, San Diego, CA 92110
Phone
(619) 682-4012
Enumerated
Oct 25, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 3211 Jefferson St

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

  1. Issa ArnitaDay Training/Habilitation Specialist1699857375
  2. Jenelle Callies, BASpecialist1225110877
  3. Victoria CamposCase Manager/Care Coordinator1346563780
  4. Christopher CookSpecialist1639214687
  5. Adell EllisDay Training/Habilitation Specialist1497837108
  6. Haddush FessehaCase Manager/Care Coordinator1114126141

Verify Charmaine I. Semeniuk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license CS0442
    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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86% fewer Medicare Part D claims than the average psychiatry physician in 2024

135 Medicare Part D claims for 19 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Charmaine Semeniuk135
  2. Specialty average1,000

Most prescribed

  1. Hydrochlorothiazide13 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: $1,193.40

32 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, 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. Charmaine Semeniuk$1,193.40
  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.

Charmaine I. Semeniuk among 8,673 psychiatry physician records in California

Charmaine I. Semeniuk, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Gurpreet Ahluwalia, M.D.San Diego, CA 921101164452272
  2. Scott Bunner, M.D.San Diego, CA 921101720115090
  3. Olga Caplin, MDSan Diego, CA 921101134249014
  4. Ronit Chernobelsky, MDSan Diego, CA 921101154468684
  5. Vanessa Greenwood, M.D.San Diego, CA 921101134281934
  6. H. Kower, M.D.San Diego, CA 921101841329653
  7. Lana Lee, MDSan Diego, CA 921101194803130
  8. Luckvin Manuel, M.D.San Diego, CA 921101699857813

Common questions

What is Charmaine I. Semeniuk, M.D.'s NPI number?

Charmaine I. Semeniuk, M.D.'s National Provider Identifier (NPI) is 1215012836, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charmaine I. Semeniuk, M.D. located?

The NPPES record lists a practice address at 3211 Jefferson St, San Diego, CA, 92110. Phone: (619) 682-4012. Providers update this record themselves, so call before visiting.

How can I verify Charmaine I. Semeniuk, M.D.'s license?

NPPES lists California license number CS0442, 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 Charmaine I. Semeniuk, M.D. prescribe under Medicare Part D?

In 2024, Charmaine I. Semeniuk, M.D. had 135 Medicare Part D claims for 19 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.