J. Marcus Downs, MD
Colon & Rectal Surgery Physician · Dallas, TX
J. Marcus Downs, MD is a colon & rectal surgery physician with a practice address in Dallas, Texas, and NPI 1811922610, issued on Jul 11, 2006. Check the license (Texas J3086, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- J. Marcus Downs
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- J3086 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8315 Walnut Hill LN, Dallas, TX 75231
- Phone
- (214) 363-6123
- Enumerated
- Jul 11, 2006
- Record last updated
- Mar 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (866) 644-6809
- Medicaid IDs
- 099181203 TX
099181201 TX - Medicare enrollment
- Enrolled (PECOS I20100512000996); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1983
- 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 8315 Walnut Hill LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeremy NewtonCertified Registered Nurse Anesthetist1982779443
- Bryan Pruitt, MDPlastic Surgery Physician1710015490
Verify J. Marcus Downs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J3086Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
50 Medicare Part D claims for 26 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.
Most prescribed
- Budesonide Dr12 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: $928.43
15 payments; by number, the most common kind was food and beverage; the largest payer was Thd America, Inc. 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 PADallas, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
J. Marcus Downs among 209 colon & rectal surgery physician records in Texas
J. Marcus Downs, 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
- Graduated1983 · median 2004 among the 174 with a school on file
- Record last updated2021 · 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
- Philip Huber, MDDallas, TX 752311245272145
- Floyd Odom, MDDallas, TX 752311346275146
- Stewart WhitneyDallas, TX 752311497142491
- Jesus Flores, M.D.Dallas, TX 752301417184557
- Sharon Gregorcyk, M.D.Dallas, TX 752301982647806
- Anthony Macaluso, MDDallas, TX 752301649201385
- Clifford Simmang, MDDallas, TX 752301316972136
- Fadwa Ali, M.D.Dallas, TX 752351417398017
Common questions
What is J. Marcus Downs, MD's NPI number?
J. Marcus Downs, MD's National Provider Identifier (NPI) is 1811922610, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is J. Marcus Downs, MD located?
The NPPES record lists a practice address at 8315 Walnut Hill LN, Dallas, TX, 75231. Phone: (214) 363-6123. Providers update this record themselves, so call before visiting.
How can I verify J. Marcus Downs, MD's license?
NPPES lists Texas license number J3086, 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 J. Marcus Downs, MD prescribe under Medicare Part D?
In 2024, J. Marcus Downs, MD had 50 Medicare Part D claims for 26 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is J. Marcus Downs, 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.