Cathryn S Crittenden-byers, MD - Medicare Family Medicine in Oklahoma City, OK

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Cathryn S Crittenden-byers, MD is a medicare enrolled "Family Medicine" physician in Oklahoma City, Oklahoma. Her current practice location is 940 Ne 13th St, 1309b, Oklahoma City, Oklahoma. You can reach out to her office (for appointments etc.) via phone at (405) 271-4881.

Cathryn S Crittenden-byers is licensed to practice in Oklahoma (license number 23416) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1912955493.

Contact Information

Cathryn S Crittenden-byers, MD
940 Ne 13th St, 1309b,
Oklahoma City, OK 73104-5008
(405) 271-4881
Not Available

Map and Direction




Physician's Profile

Full NameCathryn S Crittenden-byers
GenderFemale
SpecialityFamily Medicine
Location940 Ne 13th St, Oklahoma City, Oklahoma
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1912955493
  • Provider Enumeration Date: 05/05/2006
  • Last Update Date: 04/04/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 9335150606
  • Enrollment ID: I20060530000060

Medical Identifiers

Medical identifiers for Cathryn S Crittenden-byers such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912955493NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 23416 (Oklahoma)Secondary
207Q00000XFamily Medicine 23416 (Oklahoma)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Cathryn S Crittenden-byers allows following entities to bill medicare on her behalf.
Entity NameBoard Of Regents Of The University Of Oklahoma - Ou Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801869250
PECOS PAC ID: 2860304334
Enrollment ID: O20031103000607
Entity NameEmergency Medicine Physicians Of Tulsa County Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003098773
PECOS PAC ID: 8628140225
Enrollment ID: O20080626000116
Entity NameOu Health Partners Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528642642
PECOS PAC ID: 5991105876
Enrollment ID: O20210615000618
Entity NameAdvanced Wound Therapy
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922719095
PECOS PAC ID: 5890168447
Enrollment ID: O20230301000418

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Cathryn S Crittenden-byers is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Cathryn S Crittenden-byers, MD
1122 Ne 13th St, Ori 274,
Oklahoma City, OK 73117-1039

Ph: () -		Cathryn S Crittenden-byers, MD
940 Ne 13th St, 1309b,
Oklahoma City, OK 73104-5008

Ph: (405) 271-4881

Reviews and Comments


Family Medicine Doctors in Oklahoma City, OK

Alyssa Penick,
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Practice Location: 608 Nw 9th St Ste 1100, Oklahoma City, OK 73102
Phone: 405-231-3000    
Dr. Carl Patrick Griffin, M.D.
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Medicare: Medicare Enrolled
Practice Location: 3555 Nw 58th St, Suite 801, Oklahoma City, OK 73112
Phone: 405-840-7003    Fax: 405-840-8221
Dewey C Scheid, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 900 Ne 10th St, Oklahoma City, OK 73104
Phone: 405-271-4311    Fax: 405-271-2797
Dr. Johnaqa Saidi, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9220 S Pennsylvania Ave Ste A, Oklahoma City, OK 73159
Phone: 405-691-4497    Fax: 405-692-8807
Mrs. Lauren Cathleen Hopkins, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3500 Nw 56th St Ste 100, Oklahoma City, OK 73112
Phone: 405-951-2855    
Dr. Gurdeep Singh Grewal, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 900 Ne 10th St, Oklahoma City, OK 73104
Phone: 405-271-4311    
Dr. Cynthia M Brennan, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9100 N May Ave, Oklahoma City, OK 73120
Phone: 405-840-4456    Fax: 405-840-4295

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.