Nathan Ryan Smallwood, M.D.
Colon & Rectal Surgery Physician · Sherman, TX
Nathan Ryan Smallwood, M.D. is a colon & rectal surgery physician with a practice address in Sherman, Texas, and NPI 1609019934, issued on Apr 16, 2009. Check the license (Texas Q3108, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan Ryan Smallwood
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- Q3108 TX
Self-reported in NPPES; status is on the state search - Practice location
- 425 N Highland Ave Ste 130, Sherman, TX 75092
- Phone
- (903) 892-9179
- Enumerated
- Apr 16, 2009
- Record last updated
- Apr 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (903) 868-2317
- Medicaid IDs
- 346152704 TX
346152703 TX - Medicare enrollment
- Enrolled (PECOS I20150604001877); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2009
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 209 in Texas → Look up another NPI →
Also registered at 425 N Highland Ave Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Chambers, LMSWSocial Worker1437927373
- Ryan Kahl, D.O.Internal Medicine Physician1275911109
- Kruti Patel, D.OInternal Medicine Physician1477948172
Verify Nathan Ryan Smallwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
87 Medicare Part D claims for 60 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 55 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen48 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,391.39
65 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 Digestive Disease Consultants, PLLCFlower Mound, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Ryan Smallwood among 209 colon & rectal surgery physician records in Texas
Nathan Ryan Smallwood, M.D. 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 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2009 · 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 Sherman → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Sarah Boostrom, MDPlano, TX 750931336269018
- Dale Burleson, MDPlano, TX 750931366473092
- Said Hashemipour, MDPlano, TX 750931851365241
- Matthew Hughes, M.D.Plano, TX 750931013111889
- Salim Jabbour, MDPlano, TX 750931417921727
- Eric Kaplan, MDPlano, TX 750931962402396
- Julie Leverton, MDPlano, TX 750931215901541
- Todd Odom, MDPlano, TX 750931801860952
Common questions
What is Nathan Ryan Smallwood, M.D.'s NPI number?
Nathan Ryan Smallwood, M.D.'s National Provider Identifier (NPI) is 1609019934, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Ryan Smallwood, M.D. located?
The NPPES record lists a practice address at 425 N Highland Ave Ste 130, Sherman, TX, 75092. Phone: (903) 892-9179. Providers update this record themselves, so call before visiting.
How can I verify Nathan Ryan Smallwood, M.D.'s license?
NPPES lists Texas license number Q3108, 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 Nathan Ryan Smallwood, M.D. prescribe under Medicare Part D?
In 2024, Nathan Ryan Smallwood, M.D. had 87 Medicare Part D claims for 60 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Nathan Ryan Smallwood, M.D.'s MIPS final score?
The 2023 MIPS final score is 79.9 of 100, reported for the practice group. 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.