NPPES file of Aug 9, 2026

Richard Ehren Whiddon, D.O.

Emergency Medicine Physician · Tyler, TX

Richard Ehren Whiddon, D.O. is an emergency medicine physician with a practice address in Tyler, Texas, and NPI 1184914491, issued on Apr 8, 2011. Check the license (Texas P9135, 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
1184914491
Name
Richard Ehren Whiddon
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
P9135 TX
Self-reported in NPPES; status is on the state search
Practice location
800 E Dawson St, Tyler, TX 75701
Phone
(903) 531-5286
Enumerated
Apr 8, 2011
Record last updated
Dec 2, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(903) 531-5061
Medicaid IDs
350234603 TX
350234602 TX
350234601 TX
350234604 TX
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 800 E Dawson St

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

  1. Enyinnaya Abarikwu, MDInternal Medicine Physician1174788178
  2. Jamil Abbasi, M.D.Critical Care Medicine (Internal Medicine) Physician1033206602
  3. Yousef Abdel-Raziq, MDEmergency Medicine Physician1215432695
  4. Nikhil Acharya, M.DInternal Medicine Physician1780947135
  5. Oladimeji Akiode, MDHospitalist Physician1922078120
  6. Kashif Alauddin, M.D.Internal Medicine Physician1659506509

Verify Richard Ehren Whiddon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P9135
    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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56% fewer Medicare Part D claims than the average emergency medicine physician in 2024

100 Medicare Part D claims for 57 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Richard Whiddon100
  2. Specialty average226

Most prescribed

  1. Cephalexin15 claims
  2. Ondansetron Odt13 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.

Richard Ehren Whiddon among 4,885 emergency medicine physician records in Texas

Richard Ehren Whiddon, D.O. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 52% of them.

  • NPI issued2011 · 52% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2015 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 emergency medicine physician records list a practice address in Tyler

They are 86 of the 5,531 NPPES records with a practice address in Tyler, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mark Anderson, MDTyler, TX 757011346289055
  2. Daniel Baber, MDTyler, TX 757011538112024
  3. Martin Baum, MDTyler, TX 757011508805755
  4. Robert CreathTyler, TX 757011972542587
  5. Christopher Diaz, M.D.Tyler, TX 757011376530188
  6. Luis Haro, MDTyler, TX 757011093794109
  7. Bradley King, MDTyler, TX 757011639118367
  8. Colin Marino, MDTyler, TX 757011578519849

Common questions

What is Richard Ehren Whiddon, D.O.'s NPI number?

Richard Ehren Whiddon, D.O.'s National Provider Identifier (NPI) is 1184914491, issued on Apr 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Richard Ehren Whiddon, D.O. located?

The NPPES record lists a practice address at 800 E Dawson St, Tyler, TX, 75701. Phone: (903) 531-5286. Providers update this record themselves, so call before visiting.

How can I verify Richard Ehren Whiddon, D.O.'s license?

NPPES lists Texas license number P9135, 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 Richard Ehren Whiddon, D.O. prescribe under Medicare Part D?

In 2024, Richard Ehren Whiddon, D.O. had 100 Medicare Part D claims for 57 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.