NATHAN TILLOTSON
NPI 1770670473
Obstetrics & Gynecology - Obstetrics in Caldwell, ID

Active since October 06, 2006PECOS Enrolled
315 E ELM ST STE 310, CALDWELL, ID 83605(208) 454-2035(208) 454-1065 Get Directions Write a Review

NPPES record last updated: April 3, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 3, 2023, Feb 25, 2020 (2 updates tracked since 2020).

About Nathan Tillotson NPPES

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

NATHAN TILLOTSON (NPI 1770670473) is an individual obstetrics provider in Caldwell, Idaho, licensed in Kansas (0546950) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770670473
Entity TypeIndividualMale
Primary Taxonomy207VX0000X
Provider Legal NameNATHAN TILLOTSON
Location Address315 E ELM ST STE 310Caldwell, ID 83605-4881
Mailing AddressPo Box 742941Atlanta, GA 30374-2941
Fax(208) 454-1065
Sole ProprietorNo
Enumeration DateOctober 6, 2006
Last NPPES UpdateApril 3, 20232 updates tracked since enumeration
NPPES CertifiedApril 3, 2023
✔ NPI 1770670473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in KS · 0546950
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 02426 (KY)
315 E ELM ST STE 310, Caldwell, ID 83605

Other Identifiers 1

Medicaid200048030AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nathan Tillotson 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 Reassignments

9

Medicare enrollment records show Nathan Tillotson reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Urology
611 S CHESTNUT ST STE C
Ellensburg, WA 98926
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Kittitas County Public Hospital Dist 1
  • 163 clinicians in this Medicare group
Rural Health
1190 RIDDLE STREET
Darrington, WA 98241
  • Reassigned Medicare billing, Washington enrollment
  • 463 clinicians in this Medicare group
General Acute Care Hospital
US HWY 160 & NAVAJO ROUTE 35 - RED MESA
Teecnospos, AZ 86514
  • Reassigned Medicare billing, Texas enrollment
  • 572 clinicians in this Medicare group
General Acute Care Hospital
540 W 15TH ST
Hereford, TX 79045
  • Reassigned Medicare billing, Texas enrollment
  • 71 clinicians in this Medicare group
Clinic/Center
SUNRISE LODGE
Edna Bay, AK 99901
  • Reassigned Medicare billing, Texas enrollment
  • 640 clinicians in this Medicare group
Multi-Specialty
395200 W 2900 RD
Ochelata, OK 74051
  • Reassigned Medicare billing, Texas enrollment
  • 1,047 clinicians in this Medicare group
Internal Medicine
1 MT. CARMEL WAY
Pittsburg, KS 66762
  • Reassigned Medicare billing, Kansas enrollment
  • 34 clinicians in this Medicare group
Internal Medicine
1 MT CARMEL WAY
Pittsburg, KS 66762
  • Reassigned Medicare billing, Kansas enrollment
  • 82 clinicians in this Medicare group
Family Medicine
1997 BARRET CT, SUITE B
Henderson, KY 42420
  • Reassigned Medicare billing, Kentucky enrollment
  • 643 clinicians in this Medicare group

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 83605 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
$121.27 typical visit price
range $52.44 – $160.17
Typical copayment $30.31 (range $13.11 – $40.04)
Most-billed visit code 99204
Established Patient
$65.77 typical visit price
range $16.68 – $130.93
Typical copayment $16.44 (range $4.17 – $32.73)
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 2

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

Obstetrics & Gynecology (Gynecology)
315 E ELM ST STE 310
CALDWELL, ID 83605
Obstetrics & Gynecology
315 E ELM ST STE 310
CALDWELL, ID 83605

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 Nathan Tillotson's NPI number?

The NPI number for Nathan Tillotson is 1770670473. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Nathan Tillotson located?

Nathan Tillotson practices at 315 E Elm St Ste 310, Caldwell, ID 83605. The listed phone number is (208) 454-2035.

What is Nathan Tillotson's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Nathan Tillotson enrolled in Medicare?

Yes. Nathan Tillotson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nathan Tillotson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Tillotson reassigns Medicare benefits to 9 organizations: Kittitas County Public Hosp Dist 1 (Ellensburg, WA), Public Hospital Dist No 1 Skagit (Darrington, WA), Dhhs, Phs, Naihs, Shiprock Hospital (Teecnospos, AZ), Deaf Smith County Hospital District (Hereford, TX), Southeast Alaska Regional Health Consortium (Edna Bay, AK) and 4 more organizations, listed in the Medicare section above. 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 Nathan Tillotson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nathan Tillotson accept?

Health plans from Blue Cross and Blue Shield of Texas list Nathan Tillotson 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 Nathan Tillotson was last updated on April 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.