Preston Harmon, M.D.
Pain Medicine (Physical Medicine & Rehabilitation) Physician · Sherman, TX
Preston Harmon, M.D. is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Sherman, Texas, and NPI 1881076891, issued on Jun 25, 2015. Check the license (Texas S2793, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Preston Harmon
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
- License numbers
- S2793 TX
94-08768 KS
35.134144 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1701 N US Highway 75 Ste 100, Sherman, TX 75090
- Phone
- (214) 817-4225
- Enumerated
- Jun 25, 2015
- Record last updated
- Feb 5, 2024
- Fax
- (972) 674-2788
- Medicare enrollment
- Enrolled (PECOS I20190717003585); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 2015
- Entity
- Type 1 · individual
Also registered at 1701 N US Highway 75 Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haider Ali, MDPain Medicine (Anesthesiology) Physician1063032761
- Dona Horton, FNPNurse Practitioner1639505902
Verify Preston Harmon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S2793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.9 times the Medicare Part D claims of the average pain medicine (physical medicine & rehabilitation) physician in 2024
7,232 Medicare Part D claims for 703 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 4,038 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen2,412 claims
- Pregabalin591 claims
- Gabapentin573 claims
- Cyclobenzaprine Hcl450 claims
- Oxycodone-Acetaminophen440 claims
- Tizanidine Hcl344 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: $4,304.38
101 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,126 providers of this specialty with any payment received $2,193.30 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
- Sameer Syed MD PAPlano, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Texas
There are 141 pain medicine (physical medicine & rehabilitation) physician records in Texas.
Other pain medicine (physical medicine & rehabilitation) physician records in Texas
- Rohan Adiga, MDSan Antonio, TX1811511447
- Ameer Ali, D.O.Tyler, TX1982065561
- Danish Ali, DOHouston, TX1609214253
- Rao Ali, MDRichardson, TX1558694539
- Brian August, MDEl Paso, TX1184618597
- Ugochi Azuike, D.O.Houston, TX1740620517
- Ingrid Badillo Gonzalez, LMTKaty, TX1578047981
- Mohamed Hussein Baradia, D.OHouston, TX1528454378
- Desi Barroga, MDDallas, TX1023210473
- Benoy Benny, M.D.Sugar Land, TX1558472555
Common questions
What is Preston Harmon, M.D.'s NPI number?
Preston Harmon, M.D.'s National Provider Identifier (NPI) is 1881076891, issued on Jun 25, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Preston Harmon, M.D. located?
The NPPES record lists a practice address at 1701 N US Highway 75 Ste 100, Sherman, TX, 75090. Phone: (214) 817-4225. Providers update this record themselves, so call before visiting.
How can I verify Preston Harmon, M.D.'s license?
NPPES lists Texas license number S2793, 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 Preston Harmon, M.D. prescribe under Medicare Part D?
In 2024, Preston Harmon, M.D. had 7,232 Medicare Part D claims for 703 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. 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.