Mark A. Galles, M.D.
Internal Medicine Physician · Tulsa, OK
Mark A. Galles, M.D. is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1982681482, issued on Dec 27, 2005. Check the license (Oklahoma 21109, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Mark A. Galles
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21109 OK
Self-reported in NPPES; status is on the state search - Practice location
- 6585 S Yale Ave, Tulsa, OK 74136
- Phone
- (918) 494-9425
- Enumerated
- Dec 27, 2005
- Record last updated
- Sep 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (918) 494-9481
- Medicare enrollment
- Enrolled (PECOS I20091204000429); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 6585 S Yale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Alexander, PTAPhysical Therapist1346820404
- Amy Bacchus, M.D.Pulmonary Disease Physician1285634154
- James Bailey, M.D.Internal Medicine Physician1699750349
- Katelynn Bass, DPTPhysical Therapist1477068393
- Deborah Beichler, PTPhysical Therapist1023236064
- Katherine Bockenheuser, LCSWClinical Social Worker1255871265
Verify Mark A. Galles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 21109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,600 Medicare Part D claims for 1,040 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 454 claims were for opioids.
Most prescribed
- Atorvastatin Calcium663 claims
- Levothyroxine Sodium446 claims
- Rosuvastatin Calcium430 claims
- Alprazolam393 claims
- Amlodipine Besylate383 claims
- Omeprazole320 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: $2,752.74
160 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
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
- Warren Clinic IncTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Galles among 1,115 internal medicine physician records in Oklahoma
Mark A. Galles, M.D. 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
- Graduated1994 · median 2007 among the 653 with a school on file
- Record last updated2015 · 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).
307 internal medicine physician records list a practice address in Tulsa
They are 307 of the 18,643 NPPES records with a practice address in Tulsa, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Tulsa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Bailey, M.D.Tulsa, OK 741361699750349
- Kami Barton, M.D.Tulsa, OK 741361235114471
- Vincent Bryan, DOTulsa, OK 741361134129356
- Brent Dennis, M.D.Tulsa, OK 741361932185709
- Stephen Fincher, M.D.Tulsa, OK 741361952388555
- Johnny Fowler, M.D.Tulsa, OK 741361184601619
- Philip Hess, M.D.Tulsa, OK 741361750368924
- Donald Higgins, M.D.Tulsa, OK 741361467439554
Common questions
What is Mark A. Galles, M.D.'s NPI number?
Mark A. Galles, M.D.'s National Provider Identifier (NPI) is 1982681482, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Galles, M.D. located?
The NPPES record lists a practice address at 6585 S Yale Ave, Tulsa, OK, 74136. Phone: (918) 494-9425. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Galles, M.D.'s license?
NPPES lists Oklahoma license number 21109, 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 Mark A. Galles, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Galles, M.D. had 13,600 Medicare Part D claims for 1,040 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.