Robert Joseph Haddox, MD
Geriatric Medicine (Internal Medicine) Physician · Dallas, TX
Robert Joseph Haddox, MD is a geriatric medicine (internal medicine) physician with a practice address in Dallas, Texas, and NPI 1770518896, issued on Jul 11, 2006. Check the license (Texas G5136, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Joseph Haddox
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G5136 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5939 Harry Hines Blvd, Dallas, TX 75235
- Phone
- (214) 645-8650
- Enumerated
- Jul 11, 2006
- Record last updated
- Dec 27, 2023
- Medicaid IDs
- 116501101 TX
116501104 TX - Medicare enrollment
- Enrolled (PECOS I20110324000405); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 256 in Texas → Look up another NPI →
Also registered at 5939 Harry Hines Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Joseph Haddox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G5136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,687 Medicare Part D claims for 659 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 54 claims were for opioids.
Most prescribed
- Amlodipine Besylate315 claims
- Atorvastatin Calcium304 claims
- Losartan Potassium270 claims
- Levothyroxine Sodium253 claims
- Gabapentin145 claims
- Sertraline Hcl137 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: $45.68
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- University OF Texas Southwestern Medical Center AT DallasDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Joseph Haddox among 256 geriatric medicine (internal medicine) physician records in Texas
Robert Joseph Haddox, MD is one of 256 geriatric medicine (internal medicine) physician records with a practice address in Texas. 71% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1983 · median 2000 among the 143 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Texas
There are 256 geriatric medicine (internal medicine) physician records in Texas.
All 256 in Texas → Every provider in Dallas → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- David Crawford, MDDallas, TX 752351003490434
- Harold Wagner, D.O.Dallas, TX 752371114015138
- Jennifer AdamsDallas, TX 752311902546054
- Neerja Bhardwaj, MD, MPHDallas, TX 752311194837716
- Mark Fleschler, M.D.Dallas, TX 752311083652986
- Diana Kerwin, MDDallas, TX 752311750335097
- Soroush Behnam, MDDallas, TX 752431710908744
- Anita Aisner, M.D.Dallas, TX 752441891900460
Common questions
What is Robert Joseph Haddox, MD's NPI number?
Robert Joseph Haddox, MD's National Provider Identifier (NPI) is 1770518896, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joseph Haddox, MD located?
The NPPES record lists a practice address at 5939 Harry Hines Blvd, Dallas, TX, 75235. Phone: (214) 645-8650. Providers update this record themselves, so call before visiting.
How can I verify Robert Joseph Haddox, MD's license?
NPPES lists Texas license number G5136, 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 Robert Joseph Haddox, MD prescribe under Medicare Part D?
In 2024, Robert Joseph Haddox, MD had 5,687 Medicare Part D claims for 659 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.