NPPES file of Aug 9, 2026

Daniel Dean Washburn, MD

Internal Medicine Physician · Enid, OK

Daniel Dean Washburn, MD is an internal medicine physician with a practice address in Enid, Oklahoma, and NPI 1013901461, issued on Aug 31, 2005. Check the license (Oklahoma 11337, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013901461
Name
Daniel Dean Washburn
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
11337 OK
Self-reported in NPPES; status is on the state search
Practice location
615 E Oklahoma Ave Ste 208, Enid, OK 73701
Phone
(580) 242-3090
Enumerated
Aug 31, 2005
Record last updated
Aug 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(580) 234-2090
Medicaid ID
100253320D OK
Medicare enrollment
Enrolled (PECOS I20051212000718); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 1976
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.
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Also registered at 615 E Oklahoma Ave Ste 208

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

  1. Prabhu Vijayvargiya, MDPulmonary Disease Physician1487705265

Verify Daniel Dean Washburn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 11337
    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 Oklahoma 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.

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3.1 times the Medicare Part D claims of the average internal medicine physician in 2024

9,867 Medicare Part D claims for 493 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 152 claims were for opioids.

  1. Daniel Washburn9,867
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium444 claims
  2. Atorvastatin Calcium358 claims
  3. Furosemide251 claims
  4. Lisinopril247 claims
  5. Potassium Chloride218 claims
  6. Amlodipine Besylate204 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): 85.7 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.

  1. Qualityout of 100 · 30% of the final score74.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $13.95

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Daniel Washburn$13.95
  2. Specialty average$1,303.06

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. St Marys Physician Associates LLCEnid, OK

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

Daniel Dean Washburn among 1,115 internal medicine physician records in Oklahoma

Daniel Dean Washburn, MD is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1976 · median 2007 among the 653 with a school on file
  • Record last updated2019 · 56% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 internal medicine physician records list a practice address in Enid

They are 10 of the 1,110 NPPES records with a practice address in Enid, and 1,115 internal medicine physician records in Oklahoma.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Robert Breckenridge, D.O.Enid, OK 737011790747350
  2. Kevin Kourt, M.D.Enid, OK 737011538189212
  3. Dennis McIntyre, MDEnid, OK 737011407840846
  4. Jack Moseley, M.D.Enid, OK 737011558438887
  5. Michael Rickman, MDEnid, OK 737011497751259
  6. Christopher Shearer, DOEnid, OK 737011104825231
  7. David Shepherd, MDEnid, OK 737011174529986
  8. Yasir Usman, MDEnid, OK 737011912347618

Common questions

What is Daniel Dean Washburn, MD's NPI number?

Daniel Dean Washburn, MD's National Provider Identifier (NPI) is 1013901461, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Dean Washburn, MD located?

The NPPES record lists a practice address at 615 E Oklahoma Ave Ste 208, Enid, OK, 73701. Phone: (580) 242-3090. Providers update this record themselves, so call before visiting.

How can I verify Daniel Dean Washburn, MD's license?

NPPES lists Oklahoma license number 11337, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Daniel Dean Washburn, MD prescribe under Medicare Part D?

In 2024, Daniel Dean Washburn, MD had 9,867 Medicare Part D claims for 493 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Daniel Dean Washburn, MD's MIPS final score?

The 2023 MIPS final score is 85.7 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.