NPPES file of Aug 9, 2026

Christopher Voss, MD

Addiction Medicine (Preventive Medicine) Physician · Clearlake, CA

Christopher Voss, MD is an addiction medicine (preventive medicine) physician with a practice address in Clearlake, California, and NPI 1942475538, issued on Apr 24, 2008. Check the license (California A103576, 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
1942475538
Name
Christopher Voss
Credential
MD
Primary taxonomy
Addiction Medicine (Preventive Medicine) Physician 2083A0300X
License numbers
A103576 CA
246812 MA
ME137731 FL
2464812 MA
18710 NH
and 1 more
Self-reported in NPPES; status is on the state search
Practice location
15630 18TH Ave, Clearlake, CA 95422
Phone
(707) 994-6486
Enumerated
Apr 24, 2008
Record last updated
Jul 2, 2025
Medicare enrollment
Enrolled (PECOS I20110810000025); may accept Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 15630 18TH Ave

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

  1. John ClarkeAnesthesiology Physician1053329359
  2. Martina Cordova, FNPFamily Nurse Practitioner1114793643
  3. Laurie Halversen, LCSWClinical Social Worker1356649545
  4. Stephenie Hargrove, NPFamily Nurse Practitioner1053927608
  5. John Hewitt, MDEmergency Medicine Physician1902840176
  6. Thomas Kreck, MDCritical Care Medicine (Internal Medicine) Physician1457439200

Verify Christopher Voss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A103576
    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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5% more Medicare Part D claims than the average addiction medicine (preventive medicine) physician in 2024

441 Medicare Part D claims for 46 beneficiaries, against an average of 420 among the 224 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 190 claims were for opioids.

  1. Christopher Voss441
  2. Specialty average420

Most prescribed

  1. Hydrocodone-Acetaminophen89 claims
  2. Buprenorphine-Naloxone42 claims
  3. Oxycodone Hcl37 claims
  4. Buprenorphine Hcl34 claims
  5. Gabapentin32 claims
  6. Celecoxib22 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.

Bills Medicare through 8 group practices

  1. Atlantic Anesthesia PCAttleboro, MA
  2. Incare Lawrence, PLLCNorth Andover, MA
  3. Inpatient Specialists OF California PCBerkeley, CA
  4. Kima-W Medical CenterHoopa, CA
  5. Lowell Anesthesiology Service IncLowell, MA
  6. Matrix Anesthesia PCBrockton, MA
  7. Medical Specialists Associates PCLawrence, MA
  8. Sonoma Valley Community Health CenterSonoma, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Voss among 50 addiction medicine (preventive medicine) physician records in California

Christopher Voss, MD is one of 50 addiction medicine (preventive medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 34% of them.

  • NPI issued2008 · 34% of these records are older, 60% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2006 · median 2013 among the 24 with a school on file
  • Record last updated2025 · 12% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083A0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Preventive Medicine) Physician providers in California

There are 50 addiction medicine (preventive medicine) physician records in California.

The 8 addiction medicine (preventive medicine) physician records with the nearest ZIP codes

  1. Daniel Calder, MDSanta Rosa, CA 954051629056130
  2. Hossein Azadi, MDWillits, CA 954901568015147
  3. Damandeep Badwal, MDRancho Cordova, CA 956701760838981
  4. Sudhakar Cherukuri, M.D.Santa Clara, CA 951281497827745
  5. Sepideh Moayed, MDSan Jose, CA 951241295709046
  6. Martin Binesh, MDSanta Cruz, CA 950651659799450
  7. Neal Mehra, MDSacramento, CA 958111255592721
  8. Christine Bell, MDSacramento, CA 958161053475087

Common questions

What is Christopher Voss, MD's NPI number?

Christopher Voss, MD's National Provider Identifier (NPI) is 1942475538, issued on Apr 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Voss, MD located?

The NPPES record lists a practice address at 15630 18TH Ave, Clearlake, CA, 95422. Phone: (707) 994-6486. Providers update this record themselves, so call before visiting.

How can I verify Christopher Voss, MD's license?

NPPES lists California license number A103576, 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 Christopher Voss, MD prescribe under Medicare Part D?

In 2024, Christopher Voss, MD had 441 Medicare Part D claims for 46 beneficiaries; the average among addiction medicine (preventive medicine) physician prescribers was 420. 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.