David Ryan Massey, MD
Psychiatry Physician · Tulsa, OK
David Ryan Massey, MD is a psychiatry physician with a practice address in Tulsa, Oklahoma, and NPI 1689959421, issued on Oct 12, 2011. Check the license (Oklahoma 35543, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- David Ryan Massey
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 35543 OK
E-8395 AR
MT 196274 PA
Self-reported in NPPES; status is on the state search - Practice location
- 6655 S Yale Ave, Tulsa, OK 74136
- Phone
- (918) 491-3700
- Enumerated
- Oct 12, 2011
- Record last updated
- Aug 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (918) 481-4063
- Medicaid ID
- 200644550B OK
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 463 in Oklahoma → Look up another NPI →
Also registered at 6655 S Yale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kara Alger, APRN, CNPPsychiatric/Mental Health Nurse Practitioner1104600279
- Mohamad Alrifai, DOPsychiatry Physician1164092730
- Monica Armstrong, LMFTMarriage & Family Therapist1912154550
- Casey Augustus-Horvath, PHDClinical Psychologist1154600435
- Robin Aupperle, PH.D.Clinical Psychologist1073887907
- Marla Barrett, LCSWClinical Social Worker1124094131
Verify David Ryan Massey 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 35543Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average psychiatry physician in 2024
261 Medicare Part D claims for 76 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate28 claims
- Oxcarbazepine21 claims
- Olanzapine17 claims
- Risperidone17 claims
- Trazodone Hcl17 claims
- Escitalopram Oxalate12 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): 89.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $90.55
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
David Ryan Massey among 463 psychiatry physician records in Oklahoma
David Ryan Massey, MD is one of 463 psychiatry physician records with a practice address in Oklahoma. 64% 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 62% of them.
- NPI issued2011 · 62% of these records are older, 36% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Oklahoma
There are 463 psychiatry physician records in Oklahoma.
All 463 in Oklahoma → Every provider in Tulsa → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Chelf, MDTulsa, OK 741361679553242
- Michael Dubriwny, MDTulsa, OK 741361659341808
- Katherine Godwin, MDTulsa, OK 741361649240706
- Heather Hall, MDTulsa, OK 741361497750343
- Carol Hanson, D.O.Tulsa, OK 741361295799377
- Alan Hasegawa, MDTulsa, OK 741361639149818
- Phillip Leon, MDTulsa, OK 741361023069853
- Dominic Losacco, MDTulsa, OK 741361063452571
Common questions
What is David Ryan Massey, MD's NPI number?
David Ryan Massey, MD's National Provider Identifier (NPI) is 1689959421, issued on Oct 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David Ryan Massey, MD located?
The NPPES record lists a practice address at 6655 S Yale Ave, Tulsa, OK, 74136. Phone: (918) 491-3700. Providers update this record themselves, so call before visiting.
How can I verify David Ryan Massey, MD's license?
NPPES lists Oklahoma license number 35543, 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 David Ryan Massey, MD prescribe under Medicare Part D?
In 2024, David Ryan Massey, MD had 261 Medicare Part D claims for 76 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is David Ryan Massey, MD's MIPS final score?
The 2023 MIPS final score is 89.4 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.