MARY KATLIN NIXON MD
NPI 1003307935
Obstetrics & Gynecology in Norman, OK
About Mary Katlin Nixon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KATLIN NIXON MD (NPI 1003307935) is an individual obstetrics & gynecology provider in Norman, Oklahoma, licensed in Oklahoma (33858) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Oklahoma College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Katlin Nixon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73072 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORMAN, OK 73072
NORMAN, OK 73072
NORMAN, OK 73072
NORMAN, OK 73072
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Nixon's NPI number?
The NPI number for Mary Nixon is 1003307935. It was assigned to this individual provider in the NPPES registry on May 26, 2018.
Where is Mary Nixon located?
Mary Nixon practices at 3440 Rc Luttrell Dr Ste 200, Norman, OK 73072. The listed phone number is (405) 360-1264.
What is Mary Nixon's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mary Nixon enrolled in Medicare?
Yes. Mary Nixon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mary Nixon accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, Mending Health and UnitedHealthcare list Mary Nixon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Nixon was last updated on December 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Katlin Nixon, MD · NPI 1003307935
Obstetrics & Gynecology physician in Norman, Oklahoma. Individual provider, active in the CMS NPPES registry since May 26, 2018.
## Identity
- **NPI:** 1003307935 (Entity type: Individual)
- **Enumerated:** May 26, 2018
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 33858 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 3440 RC LUTTRELL DR STE 200, Norman, OK 73072-9005
- **Phone:** (405) 360-1264
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** December 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1003307935) · Data from the CMS NPPES public registry.