NPPES file of Aug 9, 2026

Isaac Aaron Watemberg, MD

Family Medicine Physician · Fort Worth, TX

Isaac Aaron Watemberg, MD is a family medicine physician with a practice address in Fort Worth, Texas, and NPI 1740241777, issued on Mar 29, 2006. Check the license (Texas K4290, as entered in NPPES) on the Texas Medical Board; 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
1740241777
Name
Isaac Aaron Watemberg
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
K4290 TX
Self-reported in NPPES; status is on the state search
Practice location
1307 8TH Ave Ste 106, Fort Worth, TX 76104
Phone
(817) 335-8478
Enumerated
Mar 29, 2006
Record last updated
Dec 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(817) 882-9910
Medicaid ID
175798103 TX
Medicare enrollment
Enrolled (PECOS I20050915000498); accepts Medicare assignment
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 1307 8TH Ave Ste 106

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

  1. Norma Escamilla, DOFamily Medicine Physician1730223017
  2. Karen Grant, MDFamily Medicine Physician1427061191

Verify Isaac Aaron Watemberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K4290
    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 Texas 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.

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2.0 times the Medicare Part D claims of the average family medicine physician in 2024

7,192 Medicare Part D claims for 518 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 179 claims were for opioids.

  1. Isaac Watemberg7,192
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate535 claims
  2. Metformin Hcl336 claims
  3. Atorvastatin Calcium304 claims
  4. Lisinopril274 claims
  5. Levothyroxine Sodium237 claims
  6. Losartan Potassium236 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 2 group practices

  1. Green Oaks Physical Therapy Limited PartnershipBenbrook, TX
  2. Texas Health Care PLLCFort Worth, TX

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

Isaac Aaron Watemberg among 11,119 family medicine physician records in Texas

Isaac Aaron Watemberg, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1986 · median 2004 among the 7,095 with a school on file
  • Record last updated2015 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

452 family medicine physician records list a practice address in Fort Worth

They are 452 of the 15,511 NPPES records with a practice address in Fort Worth, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joane Baumer, M.D.Fort Worth, TX 761041003805706
  2. Elizabeth Carter, M.D.Fort Worth, TX 761041184613663
  3. Daniel Casey, M.D.Fort Worth, TX 761041457340010
  4. Ricky Edwards, MDFort Worth, TX 761041457358699
  5. Craig Kneten, MDFort Worth, TX 761041043278815
  6. Mark Koch, M.D.Fort Worth, TX 761041174512651
  7. Loren Lasater, MDFort Worth, TX 761041023098662
  8. Joseph Martin, M.D.Fort Worth, TX 761041447211644

Common questions

What is Isaac Aaron Watemberg, MD's NPI number?

Isaac Aaron Watemberg, MD's National Provider Identifier (NPI) is 1740241777, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Isaac Aaron Watemberg, MD located?

The NPPES record lists a practice address at 1307 8TH Ave Ste 106, Fort Worth, TX, 76104. Phone: (817) 335-8478. Providers update this record themselves, so call before visiting.

How can I verify Isaac Aaron Watemberg, MD's license?

NPPES lists Texas license number K4290, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Isaac Aaron Watemberg, MD prescribe under Medicare Part D?

In 2024, Isaac Aaron Watemberg, MD had 7,192 Medicare Part D claims for 518 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.