NPPES file of Aug 9, 2026

Margaret Reese Hayden, M.D.

Internal Medicine Physician · Tyler, TX

Margaret Reese Hayden, M.D. is an internal medicine physician with a practice address in Tyler, Texas, and NPI 1447359385, issued on Sep 21, 2006. Check the license (Texas H6538, 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
1447359385
Name
Margaret Reese Hayden
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
H6538 TX
Self-reported in NPPES; status is on the state search
Practice location
1910 Roseland Blvd, Tyler, TX 75701
Phone
(903) 533-0644
Enumerated
Sep 21, 2006
Record last updated
Jan 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(903) 533-0441
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1910 Roseland Blvd

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

  1. C. Branch, D.O.Family Medicine Physician1205814753
  2. Slade Braswell, FNP-CFamily Nurse Practitioner1922512839
  3. Thomas Buzbee, M.D.Internal Medicine Physician1770682619
  4. Kelly Cox, NPNurse Practitioner1356489264
  5. Blaise Davis, FNP-C, FNP-BCFamily Nurse Practitioner1114671500
  6. Shari Howard, NURSE PRACTITIONERPrimary Care Nurse Practitioner1760791370

Verify Margaret Reese Hayden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H6538
    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

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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

241 Medicare Part D claims for 162 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 142 claims were for opioids.

  1. Margaret Hayden241
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen95 claims
  2. Oxycodone-Acetaminophen34 claims
  3. Methocarbamol15 claims
  4. Gabapentin13 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.

Margaret Reese Hayden among 9,175 internal medicine physician records in Texas

Margaret Reese Hayden, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2015 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

146 internal medicine physician records list a practice address in Tyler

They are 146 of the 5,531 NPPES records with a practice address in Tyler, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Yvonne Baum, M.D.Tyler, TX 757011679572614
  2. Marcus Byrd, M.D.Tyler, TX 757011518930304
  3. Gene Earl, M.D.Tyler, TX 757011134122567
  4. Michael Gorby, M.D.Tyler, TX 757011366446049
  5. James Holleman, M.D.Tyler, TX 757011083692248
  6. Paul Lim, M.D.Tyler, TX 757011942288634
  7. Eric Madore, MDTyler, TX 757011982678884
  8. Aleksandra Olsson-Detwiler, M.D.Tyler, TX 757011740280510

Common questions

What is Margaret Reese Hayden, M.D.'s NPI number?

Margaret Reese Hayden, M.D.'s National Provider Identifier (NPI) is 1447359385, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Reese Hayden, M.D. located?

The NPPES record lists a practice address at 1910 Roseland Blvd, Tyler, TX, 75701. Phone: (903) 533-0644. Providers update this record themselves, so call before visiting.

How can I verify Margaret Reese Hayden, M.D.'s license?

NPPES lists Texas license number H6538, 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 Margaret Reese Hayden, M.D. prescribe under Medicare Part D?

In 2024, Margaret Reese Hayden, M.D. had 241 Medicare Part D claims for 162 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.