DR. IAN DANIEL THISTLETHWAITE
NPI 1568924611
Internal Medicine in Charleston, WV

Q: What is Ian Thistlethwaite's NPI number?

The NPI number for Ian Thistlethwaite is 1568924611. It was assigned to this individual provider in the NPPES registry on April 5, 2019.

Q: What is Ian Thistlethwaite's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since April 05, 2019PECOS EnrolledAccepts Medicare Assignment

501 MORRIS ST, CHARLESTON, WV 25301(304) 388-5432 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 2, 2025, Mar 19, 2025, Apr 5, 2019 (3 updates tracked since 2019).

On this page

About Dr. Ian Daniel Thistlethwaite NPPES

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

DR. IAN DANIEL THISTLETHWAITE (NPI 1568924611) is an individual internal medicine provider in Charleston, West Virginia, licensed in West Virginia (33206) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Charleston Area Medical Center, and is a graduate of West Virginia University School Of Medicine (2019).

NPPES Registry Identity

NPI1568924611

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. IAN DANIEL THISTLETHWAITE

Location Address501 MORRIS STCharleston, WV 25301-1326

Mailing Address3100 Maccorkle Ave Se Ste B-16Charleston, WV 25304-1223 · (304) 388-5848

Phone(304) 388-5432

Sole ProprietorNo

Medical School CMSWest Virginia University School Of MedicineGraduated 2019

Enumeration DateApril 5, 2019

Last NPPES UpdateDecember 2, 20253 updates tracked since enumeration

NPPES CertifiedDecember 2, 2025

✔ NPI 1568924611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in WV · 33206

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 33206 (WV), A198420 (CA), 330677 (NY)

501 MORRIS ST, Charleston, WV 25301

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield West Virginia.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. Ian Daniel Thistlethwaite 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 ID2769711720

PECOS Enrollment IDI20240820001665

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 Ian Thistlethwaite reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Charleston Area Medical Center, Inc.

Same address

General Acute Care Hospital

501 MORRIS ST
Charleston, WV 25301

Reassigned Medicare billing, West Virginia enrollment
1,511 clinicians in this Medicare group

NPI 1124248752 (304) 388-3939

Psycare Inc

3.9 mi

Psychiatry

312 6TH AVE STE 2
South Charleston, WV 25303

Reassigned Medicare billing, West Virginia enrollment
12 clinicians in this Medicare group

NPI 1144433459 (304) 768-6170

Mccd Psychiatry Services PLLC

440 mi

Psychiatry

109 W 27TH ST # 5S
New York, NY 10001

Reassigned Medicare billing, New York enrollment
590 clinicians in this Medicare group

NPI 1033750823 (917) 634-5311

Mccd Fl Psychiatry Services PA

553 mi

Psychiatry

1301 RIVERPLACE BLVD STE 800
Jacksonville, FL 32207

Reassigned Medicare billing, West Virginia enrollment
12 clinicians in this Medicare group

NPI 1659003457 (833) 351-8255

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

Hospital Affiliations CMS Care Compare

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

Charleston Area Medical Center

Acute Care Hospitals · Charleston, WV

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number510022

Location501 Morris StreetCharleston, WV 25301 · Kanawha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 25301 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

$124.46 typical visit price

range $53.20 – $164.59

Typical copayment $31.11 (range $13.30 – $41.14)

Most-billed visit code 99204

Established Patient

$94.81 typical visit price

range $16.47 – $133.29

Typical copayment $23.70 (range $4.11 – $33.32)

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 20

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

SANDRA R MILES CRNA, RN, BSN

Nurse Anesthetist, Certified Registered

501 MORRIS ST
CHARLESTON, WV 25301

Kanawha County (304) 388-5432

RAMON S LANSANG JR. MD

Rehabilitation Practitioner

501 MORRIS ST, CAMC GENERAL HOSPITAL
CHARLESTON, WV 25301

Kanawha County (304) 388-6301

DR. HUNTER NIELSEN DO

Emergency Medicine

501 MORRIS ST
CHARLESTON, WV 25301

Kanawha County (304) 388-5432

EDWARD ANDREW WOODS MD

Physical Medicine & Rehabilitation

501 MORRIS ST
CHARLESTON, WV 25301

Kanawha County (304) 388-6301

KELLY D WAYMAN CRNA

Nurse Anesthetist, Certified Registered

501 MORRIS ST
CHARLESTON, WV 25301

Kanawha County (304) 647-6006

BRETT PAUL ZAVADIL PA-C

Physician Assistant (Medical)

501 MORRIS ST
CHARLESTON, WV 25301

Kanawha County (304) 388-5432

MRS. MARY CATHERINE MARSH FNP-BC

Nurse Practitioner (Family)

501 MORRIS ST, CHARLESTON AREA MEDICAL CENTER, INC.
CHARLESTON, WV 25301

Kanawha County (304) 388-6140

ROGER TAYLOR DO

Emergency Medicine

501 MORRIS ST
CHARLESTON, WV 25301

Kanawha County (304) 647-6006

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 Ian Thistlethwaite's NPI number?

The NPI number for Ian Thistlethwaite is 1568924611. It was assigned to this individual provider in the NPPES registry on April 5, 2019.

Where is Ian Thistlethwaite located?

Ian Thistlethwaite practices at 501 Morris St, Charleston, WV 25301. The listed phone number is (304) 388-5432.

What is Ian Thistlethwaite's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ian Thistlethwaite enrolled in Medicare?

Yes. Ian Thistlethwaite 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 Ian Thistlethwaite's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ian Thistlethwaite reassigns Medicare benefits to 4 organizations: Charleston Area Medical Center, Inc. (Charleston, WV), Psycare Inc (South Charleston, WV), Mccd Psychiatry Services PLLC (New York, NY) and Mccd Fl Psychiatry Services PA (Jacksonville, FL). 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 Ian Thistlethwaite's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ian Thistlethwaite accept?

Health plans from Highmark Blue Cross Blue Shield West Virginia list Ian Thistlethwaite 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 Ian Thistlethwaite affiliated with any hospitals?

According to CMS data, Ian Thistlethwaite is affiliated with Charleston Area Medical Center.

When was this NPI record last updated?

The NPPES record for Ian Thistlethwaite was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.