CHRISTINA CASSANDRA GERENA FNP-C
NPI 1871246702
Nurse Practitioner - Family in Okmulgee, OK

Q: What is Christina Gerena's NPI number?

The NPI number for Christina Gerena is 1871246702. It was assigned to this individual provider in the NPPES registry on January 31, 2022.

Q: What is Christina Gerena's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Christina Gerena was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since January 31, 2022PECOS EnrolledAccepts Medicare Assignment

100 W 7TH ST, OKMULGEE, OK 74447(918) 759-2200 Get Directions Write a Review

NPPES record last updated: May 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 12, 2023, Jul 3, 2023, May 22, 2023 and 2 more (5 updates tracked since 2022).

On this page

About Christina Cassandra Gerena Fnp-c NPPES

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

CHRISTINA CASSANDRA GERENA FNP-C (NPI 1871246702) is an individual family provider in Okmulgee, Oklahoma, licensed in Oklahoma (205370) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, is affiliated with Muscogee (creek) Nation Medical Center, and is a graduate of University Of Southern California Keck School Of Medicine (2020).

NPPES Registry Identity

NPI1871246702

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameCHRISTINA CASSANDRA GERENACredential: FNP-C

Location Address100 W 7TH STOkmulgee, OK 74447-5050

Mailing Address100 W 7th StOkmulgee, OK 74447-5050 · (918) 759-2200 · Fax (918) 759-2206

Phone(918) 759-2200

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2020

Enumeration DateJanuary 31, 2022

Last NPPES UpdateMay 22, 20245 updates tracked since enumeration

NPPES CertifiedMay 22, 2024

✔ NPI 1871246702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in OK · 205370

100 W 7TH ST, Okmulgee, OK 74447

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and more.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

Christina Cassandra Gerena Fnp-c 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 ID1951772144

PECOS Enrollment IDI20230126000984

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

Medicare enrollment records show Christina Gerena reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Access Solutions Medical Group II

22 mi

Family Medicine

100 W 7TH ST
Okmulgee, OK 74447

Reassigned Medicare billing, Oklahoma enrollment
7 clinicians in this Medicare group

NPI 1174024426 (918) 260-2093

Access Pain Solutions

33 mi

Pain Medicine

4750 S GARNETT RD
Tulsa, OK 74146

Reassigned Medicare billing, Oklahoma enrollment
13 clinicians in this Medicare group

NPI 1740535368 (918) 710-4112

Asmg Sand Springs

34 mi

Primary Care

3905 S HIGHWAY 97
Sand Springs, OK 74063

Reassigned Medicare billing, Oklahoma enrollment
7 clinicians in this Medicare group

NPI 1902140056 (918) 260-2093

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 13

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.

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.

404 services94 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

229 services41 patients

Testing for presence of drug, by chemistry analyzers 80307

Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.

169 services22 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

166 services77 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

153 services20 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

148 services79 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

56 services16 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

54 services54 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

53 services53 patients

Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0482

A definitive drug test identifies specific drugs in your system. Advanced methods like GC/MS (Gas Chromatography/Mass Spectrometry) and LC/MS (Liquid Chromatography/Mass Spectrometry) are used. These can distinguish between similar drugs, providing precise results.

53 services19 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

45 services45 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

41 services30 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

23 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Muscogee (creek) Nation Medical Center

Acute Care Hospitals · Okmulgee, OK

OwnershipTribal

CMS Certification Number370057

Location1401 Morris DriveOkmulgee, OK 74447 · Okmulgee County

Emergency services

Hillcrest Hospital Henryetta

Acute Care Hospitals · Henryetta, OK

OwnershipProprietary

CMS Certification Number370183

Location2401 W MainHenryetta, OK 74437 · Okmulgee County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74447 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.

Other Providers at the Same Location NPPES 10

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

LESLIE LYNN CROW LPC

Counselor (Professional)

100 W 7TH ST, SUITE 102
OKMULGEE, OK 74447

Okmulgee County (918) 758-1910

DR. DEAN PARKER MONTGOMERY JR. PH.D

Psychologist

100 W 7TH ST
OKMULGEE, OK 74447

Okmulgee County (918) 758-1910

ACCESS SOLUTIONS MEDICAL GROUP II

Family Medicine

100 W 7TH ST
OKMULGEE, OK 74447

Okmulgee County (918) 260-2093

EMMA LEE DE LA CRUZ

Counselor (Professional)

100 W 7TH ST
OKMULGEE, OK 74447

Okmulgee County (918) 758-1910

ADRIANNE ELISE BROWN B.S.

Social Worker

100 W 7TH ST, SUITE 102
OKMULGEE, OK 74447

Okmulgee County (918) 758-1910

HOLLIE LEDFORD MSW

Social Worker (Clinical)

100 W 7TH ST
OKMULGEE, OK 74447

Okmulgee County (918) 758-1930

CREEK NATION HEALTH SYSTEMS

Clinic/Center

100 W 7TH ST, SUITE 102
OKMULGEE, OK 74447

Okmulgee County (918) 758-1910

STACY MORRIS MSW

Social Worker

100 W 7TH ST
OKMULGEE, OK 74447

Okmulgee County (918) 758-1910

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 Christina Gerena's NPI number?

The NPI number for Christina Gerena is 1871246702. It was assigned to this individual provider in the NPPES registry on January 31, 2022.

Where is Christina Gerena located?

Christina Gerena practices at 100 W 7th St, Okmulgee, OK 74447. The listed phone number is (918) 759-2200.

What is Christina Gerena's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Christina Gerena enrolled in Medicare?

Yes. Christina Gerena 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 Christina Gerena's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Gerena reassigns Medicare benefits to 3 organizations: Access Solutions Medical Group II (Okmulgee, OK), Access Pain Solutions (Tulsa, OK) and Asmg Sand Springs (Sand Springs, 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 Christina Gerena's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christina Gerena accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Christina Gerena 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 Christina Gerena affiliated with any hospitals?

According to CMS data, Christina Gerena is affiliated with Muscogee (creek) Nation Medical Center and Hillcrest Hospital Henryetta.

When was this NPI record last updated?

The NPPES record for Christina Gerena was last updated on May 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.