Dr. Terry Jay Warsaw, MD

  • Tehachapi, CA
  • Internist
NPI1497801062
Medicare services, 2020
2,306
Part D claims, 2021
46
Industry payments
$57
State license
1
Year NPI issued
2007
Practice address
20211 W Valley Blvd, Tehachapi, CA 93561-6748
Practice phone
Call (661) 822-5544
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Terry Jay Warsaw is an internist in Tehachapi, California

Dr. Warsaw practices in Tehachapi, California.

Dr. Warsaw's NPI, 1497801062, was assigned on January 26, 2007. Dr. Warsaw graduated from UC Davis School of Medicine in 1976. Dr. Warsaw holds California license G35426.

NPI and contact details
NPI enumeration date
January 26, 2007
NPI status
Active
Practice phone
(661) 822-5544
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Medical school graduation
1976

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Terry Jay Warsaw's practice address is in Tehachapi, California

Dr. Warsaw's practice address in the NPI Registry is 20211 W Valley Blvd, Tehachapi, CA 93561-6748. The practice phone is (661) 822-5544.

  • NPI Registry address
    20211 W Valley Blvd, Tehachapi, CA 93561-6748Phone(661) 822-5544

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Terry Jay Warsaw's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warsaw practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Warsaw's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Terry Jay Warsaw is one of 16,751 internists in California

Internal medicine is Dr. Warsaw's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Warsaw is board certified in anatomic pathology & clinical pathology by the American Board of Pathology. Dr. Warsaw is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G35426 · 1977 to 2026 · taxonomy 207R00000X

Internists near Dr. Warsaw

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

16,751internists in California
4internists in Tehachapi

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Terry Jay Warsaw billed Medicare for 2,306 services in 2020

CMS data shows 2,306 Medicare services from Dr. Warsaw across 9 procedure codes in 2020. Medicare paid $129,059 for them. Every service was in an office.

Medicare services, 20202,306
Paid by Medicare$129,059
Procedure codes9

Dr. Warsaw's Medicare services by type, 2019 to 2020

  • 2019
  • 2020
Office and hospital visits
2019: 2,9002020: 1,92334%
Other services
2019: 9502020: 30668%
Tests and treatments
2019: 6532020: 7788%
Drugs given in the office
2019: 34,6002020: 0100%

Dr. Warsaw compared with the California median for internists, 2020

  • Dr. Warsaw
  • California median
Medicare services
2,306vs 3616.4 times
Part D claims
46vs 42189% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Warsaw's most billed Medicare procedure codes, 2020

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Terry Jay Warsaw's patients have a median age of 76

Across all payers, Dmand AI patient panel data puts Dr. Warsaw's median patient age at 76, with 56% women.

Dr. Warsaw's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

Dr. Terry Jay Warsaw wrote 46 Medicare Part D claims in 2021

In 2021, Dr. Warsaw wrote 46 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $783 in total drug cost. In 2020, CMS named 5,168 claims across 103 drugs.

Part D claims, 202146
Drugs named by CMS3
Total drug cost$783

Dr. Warsaw's most prescribed drugs by claims, 2021

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 5,1682021: 4699%

Drugs named by CMS: 3 in 2021, 103 in 2020.

See all prescribing by Dr. Warsaw

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Terry Jay Warsaw received $57 in industry payments in 2016

CMS Open Payments shows 2 general payments to Dr. Warsaw from 1 drug or device company in 2016. Food and beverage make up the largest share, 82% of the total. Amarin Pharma Inc. paid the most, $57.

General payments to Dr. Warsaw by kind, 2016 to 2016

$57in total
  • Food and beverage$4782%
  • Education$1018%

Companies that paid Dr. Warsaw the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Warsaw

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Terry Jay Warsaw graduated from UC Davis School of Medicine

Dr. Warsaw graduated from UC Davis School of Medicine in 1976.

  1. Medical schoolUC Davis School of Medicine
  2. Board certified in anatomic pathology & clinical pathologyAmerican Board of Pathology

Source: Dmand AI Professional Profile Data

Sources for Dr. Terry Jay Warsaw's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Terry Jay Warsaw

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Terry Jay Warsaw's NPI number?

Dr. Terry Jay Warsaw's NPI number is 1497801062. It was assigned on January 26, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Terry Jay Warsaw?

Dr. Terry Jay Warsaw is an internist in Tehachapi, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Terry Jay Warsaw practice?

Dr. Warsaw practices at 20211 W Valley Blvd, Tehachapi, CA 93561-6748.

What is Dr. Terry Jay Warsaw's office phone number?

The practice phone on file for Dr. Warsaw is (661) 822-5544.

What is Dr. Terry Jay Warsaw's medical license number?

Dr. Warsaw holds California license G35426.

Does Dr. Terry Jay Warsaw accept Medicare?

Yes. CMS data shows Dr. Warsaw billed Medicare for 2,306 services in 2020.

Is Dr. Terry Jay Warsaw board certified?

Yes. Dr. Warsaw is board certified in anatomic pathology & clinical pathology by the American Board of Pathology.

What services does Dr. Terry Jay Warsaw bill to Medicare?

In 2020, Dr. Warsaw's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and infusion or chemotherapy administration (96372).

Where did Dr. Terry Jay Warsaw go to medical school?

Dr. Warsaw graduated from UC Davis School of Medicine in 1976.

What drugs does Dr. Terry Jay Warsaw prescribe most?

In 2021 Medicare Part D data, Dr. Warsaw's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Losartan Potassium.

Has Dr. Terry Jay Warsaw received payments from drug or device companies?

CMS Open Payments shows $57 in general payments to Dr. Warsaw from 1 company from 2016 to 2016. The largest total came from Amarin Pharma Inc.

How long has Dr. Terry Jay Warsaw been practicing?

Dr. Warsaw graduated from medical school in 1976, 50 years ago.

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