ROBERT SPILLER
NPI 1538624994
Internal Medicine - Gastroenterology in Fort Belvoir, VA

Q: What is Robert Spiller's NPI number?

The NPI number for Robert Spiller is 1538624994. It was assigned to this individual provider in the NPPES registry on February 9, 2019.

Q: What is Robert Spiller's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Robert Spiller was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 February 09, 2019PECOS EnrolledAccepts Medicare Assignment

9300 DEWITT LOOP, FORT BELVOIR, VA 22060(571) 231-2014(571) 231-6614 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 9, 2025, Aug 14, 2023, Dec 1, 2020 and 2 more (5 updates tracked since 2019).

On this page

About Robert Spiller NPPES

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

ROBERT SPILLER (NPI 1538624994) is an individual gastroenterology provider in Fort Belvoir, Virginia, licensed in Indiana (02006205A) and active in the NPI registry since February 2019. He is enrolled in Medicare PECOS and is a graduate of Alabama College Of Osteopathic Medicine (2019).

NPPES Registry Identity

NPI1538624994

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameROBERT SPILLER

Location Address9300 DEWITT LOOPFort Belvoir, VA 22060-5285

Mailing Address9300 Dewitt LoopFort Belvoir, VA 22060-5285 · (571) 231-2014 · Fax (571) 231-6614

Phone(571) 231-2014

Fax(571) 231-6614

Sole ProprietorNo

Medical School CMSAlabama College Of Osteopathic MedicineGraduated 2019

Enumeration DateFebruary 9, 2019

Last NPPES UpdateSeptember 9, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2025

✔ NPI 1538624994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in IN · 02006205A

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 02006205A (IN)

Also ListedGeneral PracticeTaxonomy 208D00000X · License 02006205A (IN)

9300 DEWITT LOOP, Fort Belvoir, VA 22060

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Robert Spiller 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 ID2961813647

PECOS Enrollment IDI20260713001400

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 Robert Spiller reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Inova Health Care Services

10 mi

Internal Medicine

3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042

Reassigned Medicare billing, District of Columbia and Virginia enrollments
Also billed through NPI 1588717755 (Virginia), NPI 1275097123 (District of Columbia)
2,618 clinicians in this Medicare group

NPI 1952320061 (703) 321-2627

T J Samson Community Hospital

492 mi

Hospice and Palliative Medicine

1301 N RACE ST
Glasgow, KY 42141

Reassigned Medicare billing, Kentucky enrollment
323 clinicians in this Medicare group

NPI 1922343300 (270) 651-4430

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22060 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers13 claims13 services$72.71 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers13 claims13 services$34.41 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. ASHLEY L MALTEZ-LAURIENTI PSY.D.

Counselor (Mental Health)

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (712) 313-2245

MEGAN ANNE KELLY COTA

Occupational Therapy Assistant

9300 DEWITT LOOP
FT BELVOIR, VA 22060

Fairfax County (571) 231-1321

MS. SHANNON NOELLE FULCROD LCSW, CSAC, MAC

Social Worker (Clinical)

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (571) 231-1200

CALE WRIGHT PSYD

Psychologist (Clinical Child & Adolescent)

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (571) 231-0524

SPENCER OSBOURN

Psychiatry & Neurology (Neurology)

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (571) 231-2966

HEATHER R BARAL

Social Worker (Clinical)

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (571) 231-3224

UMAR KHAN

Orthopaedic Surgery

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (571) 231-3224

DAVID PITTS JR. DO

General Practice

9300 DEWITT LOOP
FORT BELVOIR, VA 22060

Fairfax County (571) 231-1803

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 Robert Spiller's NPI number?

The NPI number for Robert Spiller is 1538624994. It was assigned to this individual provider in the NPPES registry on February 9, 2019.

Where is Robert Spiller located?

Robert Spiller practices at 9300 Dewitt Loop, Fort Belvoir, VA 22060. The listed phone number is (571) 231-2014.

What is Robert Spiller's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Robert Spiller enrolled in Medicare?

Yes. Robert Spiller 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 Robert Spiller's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Spiller reassigns Medicare benefits to 2 organizations: Inova Health Care Services (Falls Church, VA) and T J Samson Community Hospital (Glasgow, KY). 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 Robert Spiller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Spiller accept?

Health plans from Oscar Health list Robert Spiller 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 Robert Spiller was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.