THERESA LYNN GRESS APRN
NPI 1598250508
Nurse Practitioner - Acute Care in Tulsa, OK

Active since June 22, 2018PECOS EnrolledAccepts Medicare Assignment
79.39/100
CMS Quality Rating
6475 S YALE AVE STE 308, TULSA, OK 74136(918) 499-4000(918) 499-4001 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 5, 2024, Aug 2, 2018, Jun 22, 2018 (3 updates tracked since 2018).

About Theresa Lynn Gress Aprn NPPES

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

THERESA LYNN GRESS APRN (NPI 1598250508) is an individual acute care provider in Tulsa, Oklahoma, licensed in Oklahoma (R0100775) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Saint Francis Hospital Muskogee, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1598250508
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameTHERESA LYNN GRESSCredential: APRN
Location Address6475 S YALE AVE STE 308Tulsa, OK 74136-7802
Mailing Address6600 S Yale Ave Ste 1200Tulsa, OK 74136-3333
Fax(918) 499-4001
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 22, 2018
Last NPPES UpdateJune 24, 20263 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
NPI 1598250508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in OK · R0100775
6475 S YALE AVE STE 308, Tulsa, OK 74136

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 and accepts Medicare assignment

Theresa Lynn Gress Aprn 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.

PECOS PAC ID840540027
PECOS Enrollment IDI20180910001221
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.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
52 services41 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
20 services14 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
18 services18 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services16 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Francis Hospital Muskogee

Acute Care Hospitals · Muskogee, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370025
Location300 Rockefeller DriveMuskogee, OK 74401 · Muskogee County
Emergency services Birthing friendly

Saint Francis Hospital, Inc

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370091
Location6161 South YaleTulsa, OK 74136 · Tulsa County
Emergency services Birthing friendly

Saint Francis Hospital South, LLC

Acute Care Hospitals · Tulsa, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370218
Location10501 East 91st Street SouthTulsa, OK 74133 · Tulsa County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74136 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
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.76
Promoting Interoperability99
Improvement Activities40
Cost54.37

Other Providers at the Same Location NPPES 15

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

Physician Assistant
6475 S YALE AVE STE 308
TULSA, OK 74136
Neurological Surgery
6475 S YALE AVE STE 308
TULSA, OK 74136
Pain Medicine (Interventional Pain Medicine)
6475 S YALE AVE STE 308
TULSA, OK 74136
Physician Assistant
6475 S YALE AVE STE 308
TULSA, OK 74136
Physician Assistant
6475 S YALE AVE STE 308
TULSA, OK 74136
Neurological Surgery
6475 S YALE AVE STE 308
TULSA, OK 74136
Pain Medicine (Interventional Pain Medicine)
6475 S YALE AVE STE 308
TULSA, OK 74136
Physician Assistant
6475 S YALE AVE STE 308
TULSA, OK 74136

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598250508, enumerated as an "individual" on June 22, 2018.

The provider is located at 6475 S YALE AVE STE 308 TULSA, OK 74136 and the phone number is (918) 499-4000.

Nurse Practitioner with taxonomy code 363LA2100X and a focus in Acute Care.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Oklahoma and Mending. Please consult your insurance carrier or call the provider to verify.

Theresa Gress is affiliated with: SAINT FRANCIS HOSPITAL MUSKOGEE, SAINT FRANCIS HOSPITAL, INC and SAINT FRANCIS HOSPITAL SOUTH, LLC.