Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. SIERRA LYNN STOUFFER PA-S
NPI 1669013835
Physician Assistant in Tulsa, OK

Active since September 30, 2019PECOS Enrolled
11912 S NORWOOD AVE, TULSA, OK 74137(918) 943-5303(855) 312-3594 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 14, 2026, Mar 24, 2021, Sep 30, 2019 (3 updates tracked since 2019).

About Ms. Sierra Lynn Stouffer Pa-s NPPES

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

MS. SIERRA LYNN STOUFFER PA-S (NPI 1669013835) is an individual physician assistant in Tulsa, Oklahoma and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Owasso.

NPPES Registry Identity

NPI1669013835
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. SIERRA LYNN STOUFFERCredential: PA-S
Location Address11912 S NORWOOD AVETulsa, OK 74137-5547
Mailing AddressPo Box 200Jenks, OK 74037-0200 · (918) 748-7585 · Fax (855) 312-3594
Fax(855) 312-3594
Sole ProprietorYes
Enumeration DateSeptember 30, 2019
Last NPPES UpdateSeptember 14, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2026
✔ NPI 1669013835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
11912 S NORWOOD AVE, Tulsa, OK 74137

Other Names 1

Former Name (1)Sierra Lynn Gillette Pa-c

Secondary Practice Location 1

Location 113616 E 103rd St N Ste COwasso, OK 74055-4592 · Phone (918) 943-5303 · Fax (855) 312-3594

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 (PECOS)

Ms. Sierra Lynn Stouffer Pa-s 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74137 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
11912 S NORWOOD AVE
TULSA, OK 74137
Internal Medicine (Interventional Cardiology)
11912 S NORWOOD AVE
TULSA, OK 74137

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 Sierra Stouffer's NPI number?

The NPI number for Sierra Stouffer is 1669013835. It was assigned to this individual provider in the NPPES registry on September 30, 2019. The provider is also known as Sierra Lynn Gillette Pa-C.

Where is Sierra Stouffer located?

Sierra Stouffer practices at 11912 S Norwood Ave, Tulsa, OK 74137. The listed phone number is (918) 943-5303.

What is Sierra Stouffer's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Sierra Stouffer enrolled in Medicare?

Yes. Sierra Stouffer is registered in the Medicare PECOS enrollment system.

What insurance does Sierra Stouffer accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Medica and Mending Health list Sierra Stouffer 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 Sierra Stouffer was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.