MONICA ELAINE HARDEN DO
NPI 1235461583
Family Medicine in Stillwater, OK
About Monica Elaine Harden Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA ELAINE HARDEN DO (NPI 1235461583) is an individual family medicine provider in Stillwater, Oklahoma, licensed in Oklahoma (5110) and active in the NPI registry since February 2010. She is enrolled in Medicare PECOS, is affiliated with Stillwater Medical Center, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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
Monica Elaine Harden Do 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
2Medicare enrollment records show Monica Harden reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stillwater, OK 74074
- Reassigned Medicare billing, Oklahoma enrollment
- Medicare enrollment name: Monica E Harden Do PLLC
Duncan, OK 73533
- Reassigned Medicare billing, Oklahoma enrollment
- 37 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.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Stillwater Medical Center
Acute Care Hospitals · Stillwater, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74074 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STILLWATER, OK 74074
STILLWATER, OK 74074
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 Monica Harden's NPI number?
The NPI number for Monica Harden is 1235461583. It was assigned to this individual provider in the NPPES registry on February 10, 2010.
Where is Monica Harden located?
Monica Harden practices at 1921 W 6th Ave Ste A, Stillwater, OK 74074. The listed phone number is (405) 533-2433.
What is Monica Harden's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Monica Harden enrolled in Medicare?
Yes. Monica Harden 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 Monica Harden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Harden reassigns Medicare benefits to 2 organizations: Monica E. Harden, D.O, P.L.L.C (Stillwater, OK) and Hcc Duncan Inc (Duncan, 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 Monica Harden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monica Harden accept?
Health plans from Blue Cross and Blue Shield of Oklahoma, Mending Health and UnitedHealthcare list Monica Harden 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 Monica Harden affiliated with any hospitals?
According to CMS data, Monica Harden is affiliated with Stillwater Medical Center.
When was this NPI record last updated?
The NPPES record for Monica Harden was last updated on September 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Monica Elaine Harden, DO · NPI 1235461583
Family Medicine physician in Stillwater, Oklahoma. Individual provider, active in the CMS NPPES registry since February 10, 2010.
## Identity
- **NPI:** 1235461583 (Entity type: Individual)
- **Enumerated:** February 10, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 5110 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1921 W 6TH AVE STE A, Stillwater, OK 74074-4204
- **Phone:** (405) 533-2433 · **Fax:** (833) 623-1822
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Monica E. Harden, D.O, P.L.L.C (NPI 1780358895, Stillwater, OK); Hcc Duncan Inc (NPI 1013153543, Duncan, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 2010
## Record status
- **NPPES last updated:** September 11, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1235461583) · Data from the CMS NPPES public registry.