NPPES file of Aug 9, 2026

Gregory L. Mitchell, MD

Occupational Medicine Physician · Tulsa, OK

Gregory L. Mitchell, MD is an occupational medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1922137926, issued on Mar 5, 2007. Check the license (Oklahoma 16334, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922137926
Name
Gregory L. Mitchell
Credential
MD
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
16334 OK
Self-reported in NPPES; status is on the state search
Practice location
1515 N Harvard, Tulsa, OK 74115
Phone
(918) 388-1901
Enumerated
Mar 5, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(918) 388-1902
Medicare enrollment
Enrolled (PECOS I20230806000081); accepts Medicare assignment
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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Verify Gregory L. Mitchell 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 16334
    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

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Industry payments in 2024: $25.77

1 payment: food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 193 providers of this specialty with any payment received $2,381.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Mitchell$25.77
  2. Specialty average$2,381.67

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. Vista Wound Specialists LLCTulsa, OK

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

Gregory L. Mitchell among 28 occupational medicine physician records in Oklahoma

Gregory L. Mitchell, MD is one of 28 occupational medicine physician records with a practice address in Oklahoma. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.

  • NPI issued2007 · 39% of these records are older, 18% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Record last updated2007 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Occupational Medicine Physician providers in Oklahoma

There are 28 occupational medicine physician records in Oklahoma.

The 8 occupational medicine physician records with the nearest ZIP codes

  1. Christian Nielsen, D.O.Tulsa, OK 741151932227691
  2. Karen Smallwood Ryan, M.D.Tulsa, OK 741121437134657
  3. John Hallford, M.D.Tulsa, OK 741071366560104
  4. Tiari Harris, MD MPHTulsa, OK 741041548383003
  5. Lee Schafer, COTATulsa, OK 741261629494000
  6. William Gillock, M.D.Tulsa, OK 741361659427391
  7. Terry Wagner, M.D.Tulsa, OK 741451134247802
  8. William Parsons, MDBartlesville, OK 740041730204975

Common questions

What is Gregory L. Mitchell, MD's NPI number?

Gregory L. Mitchell, MD's National Provider Identifier (NPI) is 1922137926, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory L. Mitchell, MD located?

The NPPES record lists a practice address at 1515 N Harvard, Tulsa, OK, 74115. Phone: (918) 388-1901. Providers update this record themselves, so call before visiting.

How can I verify Gregory L. Mitchell, MD's license?

NPPES lists Oklahoma license number 16334, 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.

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.