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

DR. NATHANIEL GRAHAM CULROSS CRNA
NPI 1316664980
Nurse Anesthetist, Certified Registered in Naples, FL

Active since October 25, 2022Accepts Medicare Assignment
6101 PINE RIDGE RD, NAPLES, FL 34119(239) 348-4000 Get Directions Write a Review

NPPES record last updated: September 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 21, 2026, Oct 25, 2022 (2 updates tracked since 2022).

About Dr. Nathaniel Graham Culross Crna NPPES

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

DR. NATHANIEL GRAHAM CULROSS CRNA (NPI 1316664980) is an individual nurse anesthetist, certified registered in Naples, Florida, licensed in Texas (1240002) and active in the NPI registry since October 2022. He is affiliated with Sacred Heart Hospital, maintains a secondary practice location in Dallas, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1316664980
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameDR. NATHANIEL GRAHAM CULROSSCredential: CRNA
Location Address6101 PINE RIDGE RDNaples, FL 34119-3900
Mailing Address4850 Tamiami Trl N Unit 301Naples, FL 34103-3034 · (800) 858-0638
Phone(239) 348-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 25, 2022
Last NPPES UpdateSeptember 21, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2026
✔ NPI 1316664980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in TX · 1240002✔ Licensed in FL · 11021966
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
6101 PINE RIDGE RD, Naples, FL 34119
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Secondary Practice Location 1

Location 112222 Merit Dr Ste 600Dallas, TX 75251-3294 · Phone (972) 715-5000 · Fax (972) 715-9976

Other Identifiers 2

Other11021966FL · Florida Board Of Nursing Aprn
Other138923Nbcrna

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.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

Dr. Nathaniel Graham Culross Crna 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 ID2365811585
PECOS Enrollment IDI20221212000107, I20240112002929

Medicare Billing Reassignments

4

Medicare enrollment records show Nathaniel Culross reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Capital Anesthesia Solutions Of Florida II, LLC
Same address
Anesthesiology
6101 PINE RIDGE RD
Naples, FL 34119
  • Reassigned Medicare billing, Florida enrollment
  • 767 clinicians in this Medicare group
NPI 1891318481 (239) 348-4000
Ams Anesthetist Services LLC
442 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 270 clinicians in this Medicare group
NPI 1770834426 (866) 653-2540
American Anesthesiology Of Tennessee, P.C.
684 mi
Nurse Anesthetist, Certified Registered
501 20TH ST, SUITE 606
Knoxville, TN 37916
  • Reassigned Medicare billing, Tennessee enrollment
  • Medicare enrollment name: American Anesthesiology Of Tennessee PC
  • 959 clinicians in this Medicare group
NPI 1245279777 (865) 546-8040
East Tennessee Ambulatory Surgery Center LLC
698 mi
Ambulatory Surgical
701 MED TECH PKWY
Johnson City, TN 37604
  • Reassigned Medicare billing, Tennessee enrollment
  • Medicare enrollment name: Paragon Anesthesia PC
  • 294 clinicians in this Medicare group
NPI 1659360071 (423) 283-7302

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 3

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.

Anesthesia for x-ray on artery of brain, heart, or chest 01926
Anesthesia is given before an x-ray of the brain, heart, or chest artery to ensure comfort and stillness. It helps to eliminate discomfort or pain during the procedure. It's administered by a trained professional, ensuring a safe and smooth procedure.
15 services15 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
13 services13 patients
Anesthesia for procedure on heart and large blood vessels 00560
Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Sacred Heart Hospital

Acute Care Hospitals · Pensacola, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100025
Location5151 N 9th AvePensacola, FL 32504 · Escambia County
Emergency services Birthing friendly

Wellmont Holston Valley Medical Center

Acute Care Hospitals · Kingsport, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440017
Location130 West Ravine RoadKingsport, TN 37662 · Sullivan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34119 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
$135.56 typical visit price
range $58.56 – $179.05
Typical copayment $33.89 (range $14.64 – $44.76)
Most-billed visit code 99204
Established Patient
$73.00 typical visit price
range $18.44 – $144.68
Typical copayment $18.25 (range $4.61 – $36.17)
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 20

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

BROOKE AUSTIN DPM
Podiatrist (Foot & Ankle Surgery)
6101 PINE RIDGE RD, 3RD FLOOR
NAPLES, FL 34119
Collier County (239) 304-5161
CHRISTINA ELANA CIBULA RN, SRNA
Nurse Anesthetist, Certified Registered
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (239) 304-4862
ANA BELEN CALATAYUD ROJAS DNP, APRN, FNP-BC
Nurse Practitioner (Family)
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (239) 348-4000
NINA CHRISTINE PERRY RN, CRNA
Nurse Anesthetist, Certified Registered
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (203) 650-8544
JOHN T ENGLISH MD
Surgery
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (239) 348-4400
DR. DAVID GRAHAM WHALLEY MD
Anesthesiology
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (239) 304-4862
DR. JARED MIKE PHARM D
Pharmacist
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (239) 304-4785
DR. JENNA SUFFOLETTO M.D.
Anesthesiology
6101 PINE RIDGE RD
NAPLES, FL 34119
Collier County (239) 348-4000

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 Nathaniel Culross's NPI number?

The NPI number for Nathaniel Culross is 1316664980. It was assigned to this individual provider in the NPPES registry on October 25, 2022.

Where is Nathaniel Culross located?

Nathaniel Culross practices at 6101 Pine Ridge Rd, Naples, FL 34119. The listed phone number is (239) 348-4000.

What is Nathaniel Culross's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Nathaniel Culross enrolled in Medicare?

Yes. Nathaniel Culross 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 Nathaniel Culross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Culross reassigns Medicare benefits to 4 organizations: Capital Anesthesia Solutions Of Florida II, LLC (Naples, FL), Ams Anesthetist Services LLC (Pensacola, FL), American Anesthesiology Of Tennessee, P.C. (Knoxville, TN) and East Tennessee Ambulatory Surgery Center LLC (Johnson City, TN). 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 Nathaniel Culross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Culross accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Nathaniel Culross 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 Nathaniel Culross affiliated with any hospitals?

According to CMS data, Nathaniel Culross is affiliated with Sacred Heart Hospital and Wellmont Holston Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Nathaniel Culross was last updated on September 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.