BLAKE PRUITT CHATHAM DO
NPI 1649909375
Emergency Medicine in Norman, OK
About Blake Pruitt Chatham Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BLAKE PRUITT CHATHAM DO (NPI 1649909375) is an individual emergency medicine provider in Norman, Oklahoma, licensed in Oklahoma (8080) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Blake Pruitt Chatham Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Blake Chatham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Norman, OK 73072
- Reassigned Medicare billing, Oklahoma enrollment
- 65 clinicians in this Medicare group
Oklahoma City, OK 73102
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Emergency Physicians Of Mid-America PC
- 310 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Blake Chatham's NPI number?
The NPI number for Blake Chatham is 1649909375. It was assigned to this individual provider in the NPPES registry on June 8, 2022. The provider is also known as Blake Ryan Pruitt.
Where is Blake Chatham located?
Blake Chatham practices at 3300 Healthplex Pkwy, Norman, OK 73072. The listed phone number is (405) 307-1000.
What is Blake Chatham's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Blake Chatham enrolled in Medicare?
Yes. Blake Chatham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Blake Chatham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Blake Chatham reassigns Medicare benefits to 2 organizations: Norman Regional Hospital Authority (Norman, OK) and Emergency Physicians Of Mid-America, P.C. (Oklahoma City, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Blake Chatham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Blake Chatham was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.
# Blake Pruitt Chatham, DO · NPI 1649909375
Emergency Medicine physician in Norman, Oklahoma. Individual provider, active in the CMS NPPES registry since June 8, 2022.
## Identity
- **NPI:** 1649909375 (Entity type: Individual)
- **Enumerated:** June 8, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 8080 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 HEALTHPLEX PKWY, Norman, OK 73072-9749
- **Phone:** (405) 307-1000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Norman Regional Hospital Authority (NPI 1912563727, Norman, OK); Emergency Physicians Of Mid-America, P.C. (NPI 1063825297, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649909375) · Data from the CMS NPPES public registry.