Clifford L. Simmang, MD
Colon & Rectal Surgery Physician · Dallas, TX
Clifford L. Simmang, MD is a colon & rectal surgery physician with a practice address in Dallas, Texas, and NPI 1316972136, issued on Jul 11, 2006. Check the license (Texas G4245, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clifford L. Simmang
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- G4245 TX
Self-reported in NPPES; status is on the state search - Practice location
- 7777 Forest LN, Dallas, TX 75230
- Phone
- (972) 661-3575
- Enumerated
- Jul 11, 2006
- Record last updated
- Oct 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (972) 233-9120
- Medicare enrollment
- Enrolled (PECOS I20051026000156); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 209 in Texas → Look up another NPI →
Also registered at 7777 Forest LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jillian AdamsPsychiatric/Mental Health Nurse Practitioner1033513031
- Jane Admire, MDOtolaryngology Physician1023139433
- Dessy Adont, APRN, AG-ACNPNurse Practitioner1710586870
- Alexandria Aguilar, CSFAOther Specialist/Technologist1376402784
- Azadeh Ajami, PSYDPsychologist1437278637
- Mustafa Al-Chalabi, MDEmergency Medicine Physician1417932948
Verify Clifford L. Simmang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license G4245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average colon & rectal surgery physician in 2024
225 Medicare Part D claims for 68 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 15 claims were for opioids.
Most prescribed
- Metronidazole35 claims
- Neomycin Sulfate33 claims
- Metoclopramide Hcl31 claims
- Gabapentin17 claims
- Azathioprine11 claims
- Diphenoxylate-Atropine11 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.
The MIPS final score for 2023 (Medicare payment program): 89.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $284.64
5 payments; by number, the most common kind was food and beverage; the largest payer was Ethicon US, LLC. The 1,524 providers of this specialty with any payment received $3,468.16 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
- Texas Oncology PAGrapevine, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clifford L. Simmang among 209 colon & rectal surgery physician records in Texas
Clifford L. Simmang, MD is one of 209 colon & rectal surgery physician records with a practice address in Texas. 89% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 56% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated1982 · median 2004 among the 174 with a school on file
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Texas
There are 209 colon & rectal surgery physician records in Texas.
All 209 in Texas → Every provider in Dallas → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Jesus Flores, M.D.Dallas, TX 752301417184557
- Sharon Gregorcyk, M.D.Dallas, TX 752301982647806
- Anthony Macaluso, MDDallas, TX 752301649201385
- J. Marcus Downs, MDDallas, TX 752311811922610
- Philip Huber, MDDallas, TX 752311245272145
- Floyd Odom, MDDallas, TX 752311346275146
- Stewart WhitneyDallas, TX 752311497142491
- Fadwa Ali, M.D.Dallas, TX 752351417398017
Common questions
What is Clifford L. Simmang, MD's NPI number?
Clifford L. Simmang, MD's National Provider Identifier (NPI) is 1316972136, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clifford L. Simmang, MD located?
The NPPES record lists a practice address at 7777 Forest LN, Dallas, TX, 75230. Phone: (972) 661-3575. Providers update this record themselves, so call before visiting.
How can I verify Clifford L. Simmang, MD's license?
NPPES lists Texas license number G4245, 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 Clifford L. Simmang, MD prescribe under Medicare Part D?
In 2024, Clifford L. Simmang, MD had 225 Medicare Part D claims for 68 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Clifford L. Simmang, MD's MIPS final score?
The 2023 MIPS final score is 89.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.