NPPES file of Aug 9, 2026

Ryan H. Tatum, MD

Family Medicine Physician · Van Alstyne, TX

Ryan H. Tatum, MD is a family medicine physician with a practice address in Van Alstyne, Texas, and NPI 1679867394, issued on May 31, 2011. Check the license (Texas P8197, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679867394
Name
Ryan H. Tatum
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
P8197 TX
Self-reported in NPPES; status is on the state search
Practice location
954 W Van Alstyne Pkwy, Van Alstyne, TX 75495
Phone
(903) 416-3790
Enumerated
May 31, 2011
Record last updated
Feb 21, 2024
Fax
(903) 712-3790
Medicare enrollment
Enrolled (PECOS I20140918001857); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 954 W Van Alstyne Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cathryn James, FNP-CFamily Nurse Practitioner1154632180

Verify Ryan H. Tatum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P8197
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

69% fewer Medicare Part D claims than the average family medicine physician in 2024

1,113 Medicare Part D claims for 129 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 35 claims were for opioids.

  1. Ryan Tatum1,113
  2. Specialty average3,544

Most prescribed

  1. Methylprednisolone37 claims
  2. Celecoxib36 claims
  3. Ondansetron Odt34 claims
  4. Amoxicillin-Clavulanate Potass30 claims
  5. Levothyroxine Sodium29 claims
  6. Gabapentin27 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: $288.91

10 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ryan Tatum$288.91
  2. Specialty average$902.55

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

  1. TexomacareVan Alstyne, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

4 family medicine physician records list a practice address in Van Alstyne

They are 4 of the 65 NPPES records with a practice address in Van Alstyne, and 11,119 family medicine physician records in Texas.

Other family medicine physician records in Texas

  1. Srinivasa Aaluri, MDEl Paso, TX1265566509
  2. Maira Aamir, MDShenandoah, TX1932660859
  3. Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
  4. So Abad, MDWichita Falls, TX1184624694
  5. Yoseph AbadiRichardson, TX1700742640
  6. Marcus Abadie, M.D.Athens, TX1104821107
  7. Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
  8. Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
  9. Ahmad Abazid, M.DRichardson, TX1013238401
  10. Syed Abbas, M.D.Houston, TX1821267477

Common questions

What is Ryan H. Tatum, MD's NPI number?

Ryan H. Tatum, MD's National Provider Identifier (NPI) is 1679867394, issued on May 31, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Ryan H. Tatum, MD located?

The NPPES record lists a practice address at 954 W Van Alstyne Pkwy, Van Alstyne, TX, 75495. Phone: (903) 416-3790. Providers update this record themselves, so call before visiting.

How can I verify Ryan H. Tatum, MD's license?

NPPES lists Texas license number P8197, 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 Ryan H. Tatum, MD prescribe under Medicare Part D?

In 2024, Ryan H. Tatum, MD had 1,113 Medicare Part D claims for 129 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.