NPPES file of Aug 9, 2026

Thomas W. Hopkins, MD

Internal Medicine Physician · Roseville, CA

Thomas W. Hopkins, MD is an internal medicine physician with a practice address in Roseville, California, and NPI 1720045206, issued on Apr 27, 2006. Check the license (California G81916, 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
1720045206
Name
Thomas W. Hopkins
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G81916 CA
Self-reported in NPPES; status is on the state search
Practice location
2235 Douglas Blvd, Roseville, CA 95661
Phone
(916) 446-4449
Enumerated
Apr 27, 2006
Record last updated
May 18, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(916) 446-9370
Medicare enrollment
Enrolled (PECOS I20070205000212); may accept Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 1992
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 2235 Douglas Blvd

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

  1. Rainie Tabish, PSY.D.Clinical Psychologist1134367832

Verify Thomas W. Hopkins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G81916
    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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28% more Medicare Part D claims than the average internal medicine physician in 2024

4,081 Medicare Part D claims for 664 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 15 claims were for opioids.

  1. Thomas Hopkins4,081
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium352 claims
  2. Losartan Potassium246 claims
  3. Amlodipine Besylate206 claims
  4. Lisinopril182 claims
  5. Levothyroxine Sodium176 claims
  6. Metformin Hcl142 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: $679.47

31 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Hopkins$679.47
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Thomas W Hopkins MD A Professional CorporationRoseville, CA

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

Thomas W. Hopkins among 17,696 internal medicine physician records in California

Thomas W. Hopkins, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1992 · median 2004 among the 11,065 with a school on file
  • Record last updated2018 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

157 internal medicine physician records list a practice address in Roseville

They are 157 of the 5,340 NPPES records with a practice address in Roseville, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Afshin Arya, M.D.Roseville, CA 956611548230287
  2. Jagdeep Bal, M.D.Roseville, CA 956611548252703
  3. Harinder Bisla, MDRoseville, CA 956611174512685
  4. Kenneth Michael Conroy, MDRoseville, CA 956611134108285
  5. Barbara Febbo-Wilson, M.D.Roseville, CA 956611154307700
  6. Baljinder Gill, MDRoseville, CA 956611790774784
  7. Devamani Gowda, MDRoseville, CA 956611962463455
  8. Christopher Lillis, MDRoseville, CA 956611699773127

Common questions

What is Thomas W. Hopkins, MD's NPI number?

Thomas W. Hopkins, MD's National Provider Identifier (NPI) is 1720045206, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas W. Hopkins, MD located?

The NPPES record lists a practice address at 2235 Douglas Blvd, Roseville, CA, 95661. Phone: (916) 446-4449. Providers update this record themselves, so call before visiting.

How can I verify Thomas W. Hopkins, MD's license?

NPPES lists California license number G81916, 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 Thomas W. Hopkins, MD prescribe under Medicare Part D?

In 2024, Thomas W. Hopkins, MD had 4,081 Medicare Part D claims for 664 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.