Susan Irene Fesmire, M.D.
Internal Medicine Physician · Dallas, TX
Susan Irene Fesmire, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1548233034, issued on Feb 7, 2006. Check the license (Texas L1036, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Susan Irene Fesmire
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L1036 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5461 LA Sierra Dr, Dallas, TX 75231
- Phone
- (214) 692-8541
- Enumerated
- Feb 7, 2006
- Record last updated
- May 18, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (214) 692-8994
- Medicaid ID
- 036949803 TX
- Medicare enrollment
- Enrolled (PECOS I20100507000506); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 5461 LA Sierra Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martin Cohen, M.D.Internal Medicine Physician1871565309
- Stephen Gist, M.D.Internal Medicine Physician1770555450
- Jeffrey Goudreau, M.D.Internal Medicine Physician1932179314
- Stephanie Riley, PA-CPhysician Assistant1518197672
- Neal Sklaver, MDInternal Medicine Physician1073516761
Verify Susan Irene Fesmire in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L1036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average internal medicine physician in 2024
14,867 Medicare Part D claims for 1,157 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 265 claims were for opioids.
Most prescribed
- Levothyroxine Sodium845 claims
- Rosuvastatin Calcium633 claims
- Amlodipine Besylate548 claims
- Losartan Potassium545 claims
- Atorvastatin Calcium453 claims
- Gabapentin338 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: $451.76
25 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Legacy Healthcare Services IncLewisville, TX
- Medical Specialists AssociatedDallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Irene Fesmire among 9,175 internal medicine physician records in Texas
Susan Irene Fesmire, M.D. is one of 9,175 internal 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 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2004 among the 6,088 with a school on file
- Record last updated2010 · 49% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Cary, MDDallas, TX 752311548250269
- Melanie Christina, M.D.Dallas, TX 752311003805292
- Gary Goff, M.D.Dallas, TX 752311629050521
- Jacqueline Hubbard, M.D.Dallas, TX 752311972588333
- Mitchell Huebner, MDDallas, TX 752311215938071
- Shamim Khambati, M.D.Dallas, TX 752311073598413
- Chiao Lie, MDDallas, TX 752311487635900
- Susan McKinney, M.D.Dallas, TX 752311194700542
Common questions
What is Susan Irene Fesmire, M.D.'s NPI number?
Susan Irene Fesmire, M.D.'s National Provider Identifier (NPI) is 1548233034, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Susan Irene Fesmire, M.D. located?
The NPPES record lists a practice address at 5461 LA Sierra Dr, Dallas, TX, 75231. Phone: (214) 692-8541. Providers update this record themselves, so call before visiting.
How can I verify Susan Irene Fesmire, M.D.'s license?
NPPES lists Texas license number L1036, 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 Susan Irene Fesmire, M.D. prescribe under Medicare Part D?
In 2024, Susan Irene Fesmire, M.D. had 14,867 Medicare Part D claims for 1,157 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.