NATHANIEL VANHORN
NPI 1770160830
Internal Medicine - Critical Care Medicine in Mobile, AL

Q: What is Nathaniel Vanhorn's NPI number?

The NPI number for Nathaniel Vanhorn is 1770160830. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Q: What is Nathaniel Vanhorn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Nathaniel Vanhorn was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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 March 25, 2021PECOS Enrolled

2451 UNIVERSITY HOSPITAL DR STE 432, MOBILE, AL 36617(251) 471-7914(251) 471-7889 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 12, 2024, Oct 12, 2023, Mar 25, 2021 (3 updates tracked since 2021).

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About Nathaniel Vanhorn NPPES

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

NATHANIEL VANHORN (NPI 1770160830) is an individual critical care medicine provider in Mobile, Alabama, licensed in Alabama (45360) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770160830

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameNATHANIEL VANHORN

Location Address2451 UNIVERSITY HOSPITAL DR STE 432Mobile, AL 36617-2300

Mailing AddressPo Box 746450Atlanta, GA 30374-6450 · (866) 401-3057 · Fax (318) 868-6430

Phone(251) 471-7914

Fax(251) 471-7889

Sole ProprietorNo

Enumeration DateMarch 25, 2021

Last NPPES UpdateJuly 14, 20253 updates tracked since enumeration

NPPES CertifiedJuly 14, 2025

✔ NPI 1770160830 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in AL · 45360

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License L.5469 (AL), MD.45360 (AL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2451 UNIVERSITY HOSPITAL DR STE 432, Mobile, AL 36617

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health 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 (PECOS)

Nathaniel Vanhorn 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 Reassignment

Medicare enrollment records show Nathaniel Vanhorn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usa Health Physician Billing Services LLC

Same address

Emergency Medicine

2451 UNIVERSITY HOSPITAL DR
Mobile, AL 36617

Reassigned Medicare billing, Alabama enrollment
857 clinicians in this Medicare group

NPI 1285292912 (251) 470-7300

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

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.

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.

39 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36617 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

$122.31 typical visit price

range $52.65 – $161.63

Typical copayment $30.57 (range $13.16 – $40.40)

Most-billed visit code 99204

Established Patient

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

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.

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 Vanhorn's NPI number?

The NPI number for Nathaniel Vanhorn is 1770160830. It was assigned to this individual provider in the NPPES registry on March 25, 2021.

Where is Nathaniel Vanhorn located?

Nathaniel Vanhorn practices at 2451 University Hospital Dr Ste 432, Mobile, AL 36617. The listed phone number is (251) 471-7914.

What is Nathaniel Vanhorn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Nathaniel Vanhorn enrolled in Medicare?

Yes. Nathaniel Vanhorn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nathaniel Vanhorn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Vanhorn reassigns Medicare benefits to Usa Health Physician Billing Services LLC (Mobile, AL). The 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 Vanhorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathaniel Vanhorn accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 1 other insurer list Nathaniel Vanhorn 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 Nathaniel Vanhorn was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.