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MRS. CAROLYN DOWNS HOEKSTRA MD
NPI 1679539746
Obstetrics & Gynecology in Tulsa, OK

Active since April 26, 2006PECOS Enrolled
9001S 101ST EAST AVE, TULSA, OK 74133(918) 293-6200(918) 293-6272 Get Directions Write a Review

NPPES record last updated: November 17, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Carolyn Downs Hoekstra Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. CAROLYN DOWNS HOEKSTRA MD (NPI 1679539746) is an individual obstetrics & gynecology provider in Tulsa, Oklahoma, licensed in Oklahoma (28109) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679539746
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMRS. CAROLYN DOWNS HOEKSTRACredential: MD
Location Address9001S 101ST EAST AVETulsa, OK 74133-5708
Mailing Address9001s 101st East Ave 350Tulsa, OK 74133-5798 · (918) 293-6200 · Fax (918) 293-6272
Phone(918) 293-6200
Fax(918) 293-6272
Sole ProprietorNo
Enumeration DateApril 26, 2006
Last NPPES UpdateNovember 17, 2015
✔ NPI 1679539746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in OK · 28109
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
9001S 101ST EAST AVE, Tulsa, OK 74133
Open in Google Maps ↗

Other Identifiers 4

Medicare ID-Type Unspecified0130007
Medicare UPINB43135
Other160057929MI · Medicare Railroad
Medicaid1420805MI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Carolyn Downs Hoekstra Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Carolyn Hoekstra reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic Joplin LLC
97 mi
Family Medicine
101 W SYCAMORE ST
Columbus, KS 66725
  • Reassigned Medicare billing, Missouri enrollment
  • 562 clinicians in this Medicare group
NPI 1043547474 (620) 429-3636
Mercy Clinic Springfield Communities
120 mi
Rural Health
92 MAIN ST
Cassville, MO 65625
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1245277631 (Missouri)
  • 1,487 clinicians in this Medicare group
NPI 1497887848 (417) 847-5225

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 74133 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
Established Patient
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Carolyn Hoekstra's NPI number?

The NPI number for Carolyn Hoekstra is 1679539746. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Carolyn Hoekstra located?

Carolyn Hoekstra practices at 9001S 101st East Ave, Tulsa, OK 74133. The listed phone number is (918) 293-6200.

What is Carolyn Hoekstra's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Carolyn Hoekstra enrolled in Medicare?

Yes. Carolyn Hoekstra is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carolyn Hoekstra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Hoekstra reassigns Medicare benefits to 2 organizations: Mercy Clinic Joplin LLC (Columbus, KS) and Mercy Clinic Springfield Communities (Cassville, MO). 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 Carolyn Hoekstra'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 Carolyn Hoekstra was last updated on November 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.