CALVIN PEITREI MONROE MD
NPI 1497746903
Obstetrics & Gynecology in Tulsa, OK
About Calvin Peitrei Monroe Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALVIN PEITREI MONROE MD (NPI 1497746903) is an individual obstetrics & gynecology provider in Tulsa, Oklahoma, licensed in Illinois (036.111520) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Decatur Memorial Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Calvin Peitrei Monroe 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.
Medicare Billing Reassignments
7Medicare enrollment records show Calvin Monroe reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 68 clinicians in this Medicare group
Tulsa, OK 74107
- Reassigned Medicare billing, Oklahoma enrollment
- 171 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 1,144 clinicians in this Medicare group
Pryor, OK 74361
- Reassigned Medicare billing, Oklahoma enrollment
- 65 clinicians in this Medicare group
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 645 clinicians in this Medicare group
Paoli, IN 47454
- Reassigned Medicare billing, Indiana enrollment
- 52 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Decatur Memorial Hospital
Acute Care Hospitals · Decatur, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Calvin Monroe's NPI number?
The NPI number for Calvin Monroe is 1497746903. It was assigned to this individual provider in the NPPES registry on November 3, 2005.
Where is Calvin Monroe located?
Calvin Monroe practices at 1216 East Apache Street North, Tulsa, OK 74106. The listed phone number is (918) 794-5800.
What is Calvin Monroe's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Calvin Monroe enrolled in Medicare?
Yes. Calvin Monroe 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.
Which organizations bill Medicare for Calvin Monroe's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Calvin Monroe reassigns Medicare benefits to 7 organizations: Obhg Oklahoma, P.C. (Tulsa, OK), Oklahoma State University (Tulsa, OK), Warren Clinic Inc (Tulsa, OK), Northeastern Oklahoma Community Health Centers Inc (Pryor, OK), Siu Physicians & Surgeons, Inc (Springfield, IL) and 2 more organizations, listed in the Medicare section above. 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 Calvin Monroe's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Calvin Monroe accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and CareSource list Calvin Monroe 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.
Is Calvin Monroe affiliated with any hospitals?
According to CMS data, Calvin Monroe is affiliated with Decatur Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Calvin Monroe was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Calvin Peitrei Monroe, MD · NPI 1497746903
Obstetrics & Gynecology physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since November 3, 2005.
## Identity
- **NPI:** 1497746903 (Entity type: Individual)
- **Enumerated:** November 3, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 036.111520 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1216 EAST APACHE STREET NORTH, Tulsa, OK 74106-3938
- **Phone:** (918) 794-5800 · **Fax:** (918) 794-7775
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Obhg Oklahoma, P.C. (NPI 1043595374, Tulsa, OK); Oklahoma State University (NPI 1306882261, Tulsa, OK); Warren Clinic Inc (NPI 1174582282, Tulsa, OK); Northeastern Oklahoma Community Health Centers Inc (NPI 1669101184, Pryor, OK); Siu Physicians & Surgeons, Inc (NPI 1558385989, Springfield, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2001
## Record status
- **NPPES last updated:** November 24, 2025
- **Other identifiers:** Medicaid 100768880F (OK); Medicaid 100768880I (OK); Other 37-1834 (OK); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1497746903) · Data from the CMS NPPES public registry.