Cathryn S. Crittenden-Byers, MD
Pediatric Emergency Medicine (Emergency Medicine) Physician · Tulsa, OK
Cathryn S. Crittenden-Byers, MD is a pediatric emergency medicine (emergency medicine) physician with a practice address in Tulsa, Oklahoma, and NPI 1912955493, issued on May 5, 2006. Check the license (Oklahoma 23416, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Cathryn S. Crittenden-Byers
- Credential
- MD
- Primary taxonomy
- Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
- License number
- 23416 OK
Self-reported in NPPES; status is on the state search - Practice location
- 2488 E 81St St Ste 2000, Tulsa, OK 74137
- Phone
- (918) 592-9020
- Enumerated
- May 5, 2006
- Record last updated
- Jul 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20060530000060); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2003
- Entity
- Type 1 · individual
2 nearest pediatric emergency medicine (emergency medicine) physician records → All 3 in Oklahoma → Look up another NPI →
Also registered at 2488 E 81St St Ste 2000
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryanne Bolt, APRNNurse Practitioner1912378050
- Mary Buchanan, FNP-CNurse Practitioner1942015946
- Eric Canaday, D.O.Emergency Medicine Physician1972802254
- Matthew Carmichael, D.O.Emergency Medical Services (Emergency Medicine) Physician1205147998
- Thomas Denmark, M.D.Family Medicine Physician1881629079
Verify Cathryn S. Crittenden-Byers 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 23416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average pediatric emergency medicine (emergency medicine) physician in 2024
56 Medicare Part D claims for 37 beneficiaries, against an average of 89 among the 103 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Cephalexin11 claims
- Gentamicin Sulfate11 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): 71.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.27
1 payment: food and beverage; the largest payer was Solventum Corporation. The 83 providers of this specialty with any payment received $5,435.77 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
- Advanced Wound TherapyTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Emergency Medicine (Emergency Medicine) Physician providers in Oklahoma
There are 3 pediatric emergency medicine (emergency medicine) physician records in Oklahoma.
All 3 in Oklahoma → Every provider in Tulsa → Pediatric Emergency Medicine (Emergency Medicine) Physician nationwide →
The 2 pediatric emergency medicine (emergency medicine) physician records with the nearest ZIP codes
- Cecilia Guthrie, M.D.Oklahoma City, OK 731041568530137
- Jessica Marshall, PA-COklahoma City, OK 731041811760424
Common questions
What is Cathryn S. Crittenden-Byers, MD's NPI number?
Cathryn S. Crittenden-Byers, MD's National Provider Identifier (NPI) is 1912955493, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathryn S. Crittenden-Byers, MD located?
The NPPES record lists a practice address at 2488 E 81St St Ste 2000, Tulsa, OK, 74137. Phone: (918) 592-9020. Providers update this record themselves, so call before visiting.
How can I verify Cathryn S. Crittenden-Byers, MD's license?
NPPES lists Oklahoma license number 23416, 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 Cathryn S. Crittenden-Byers, MD prescribe under Medicare Part D?
In 2024, Cathryn S. Crittenden-Byers, MD had 56 Medicare Part D claims for 37 beneficiaries; the average among pediatric emergency medicine (emergency medicine) physician prescribers was 89. Part D covers Medicare prescriptions only.
What is Cathryn S. Crittenden-Byers, MD's MIPS final score?
The 2023 MIPS final score is 71.7 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.