NPPES file of Aug 9, 2026

Terrence C. Hack, M.D., FACC

Internal Medicine Physician · Salinas, CA

Terrence C. Hack, M.D., FACC is an internal medicine physician with a practice address in Salinas, California, and NPI 1760431274, issued on May 10, 2006. Check the license (California G50146, 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
1760431274
Name
Terrence C. Hack
Credential
M.D., FACC
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
G50146 CA
47871 MA
Self-reported in NPPES; status is on the state search
Practice location
950 Circle Dr, Salinas, CA 93905
Phone
(831) 757-6237
Enumerated
May 10, 2006
Record last updated
Nov 28, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(831) 757-8458
Medicaid ID
2093928 MA
Medicare enrollment
Enrolled (PECOS I20180223001039); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1978
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.
Download card Updates feed

8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 950 Circle Dr

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

  1. Mary Acinas, MDFamily Medicine Physician1922114362
  2. Zulfia Anderson, PA-CPhysician Assistant1528658531
  3. Stephen Chang, O.D.Optometrist1952664914
  4. Joyce CleavengerFamily Nurse Practitioner1619006657
  5. Maximiliano Cuevas, M.D.Obstetrics & Gynecology Physician1871502344
  6. Brett Fredericks, O.D.Optometrist1750408571

Verify Terrence C. Hack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G50146    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

49% more Medicare Part D claims than the average internal medicine physician in 2024

4,721 Medicare Part D claims for 385 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Terrence Hack4,721
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl532 claims
  2. Atorvastatin Calcium456 claims
  3. Lisinopril297 claims
  4. Levothyroxine Sodium278 claims
  5. Amlodipine Besylate274 claims
  6. Jardiance222 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: $49.13

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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. Terrence Hack$49.13
  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. Clinica DE Salud Del Valle DE SalinasSalinas, CA

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

Terrence C. Hack among 17,696 internal medicine physician records in California

Terrence C. Hack, M.D., FACC 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
  • Graduated1978 · 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).

Internal Medicine Physician providers in California

There are 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Salinas → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Magana Villalobos, MDSalinas, CA 939051205601457
  2. Eva Perusquia Frias, MDSalinas, CA 939051811642358
  3. Navneet Adya, MDSalinas, CA 939061558570010
  4. Leora Tricia AquinoSalinas, CA 939061659951341
  5. Jeanne Cabeza, MDSalinas, CA 939061598716227
  6. Matthew CalzettaSalinas, CA 939061619268257
  7. Valerie Choy, MDSalinas, CA 939061528011822
  8. Alfred Sadler, MDSalinas, CA 939061477559995

Common questions

What is Terrence C. Hack, M.D., FACC's NPI number?

Terrence C. Hack, M.D., FACC's National Provider Identifier (NPI) is 1760431274, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Terrence C. Hack, M.D., FACC located?

The NPPES record lists a practice address at 950 Circle Dr, Salinas, CA, 93905. Phone: (831) 757-6237. Providers update this record themselves, so call before visiting.

How can I verify Terrence C. Hack, M.D., FACC's license?

NPPES lists California license number G50146, 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 Terrence C. Hack, M.D., FACC prescribe under Medicare Part D?

In 2024, Terrence C. Hack, M.D., FACC had 4,721 Medicare Part D claims for 385 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.

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.