1. Home
  2. Directory
  3. Tennessee
  4. Kingsport
  5. Obstetrics Gynecology
  6. NPI Profile

DR. MARK L WITHROW MD
NPI 1255338547
Obstetrics & Gynecology in Kingsport, TN

Active since July 01, 2005PECOS EnrolledAccepts Medicare Assignment
105 W STONE DR STE 5D, KINGSPORT, TN 37660(423) 247-7500(423) 247-7556 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 3, 2025, Jan 19, 2021, Jan 14, 2020 and 3 more (6 updates tracked since 2017).

About Dr. Mark L Withrow Md NPPES

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

DR. MARK L WITHROW MD (NPI 1255338547) is an individual obstetrics & gynecology provider in Kingsport, Tennessee, licensed in Tennessee (MD025903) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Wellmont Bristol Regional Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1255338547
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. MARK L WITHROWCredential: MD
Location Address105 W STONE DR STE 5DKingsport, TN 37660-3365
Mailing AddressPo Box 9Kingsport, TN 37662-0009 · (423) 857-2093 · Fax (423) 390-3340
Phone(423) 247-7500
Fax(423) 247-7556
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJuly 1, 2005
Last NPPES UpdateSeptember 3, 20256 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1255338547 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in TN · MD025903✔ Licensed in VA · 0101274055
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Also ListedHospitalistTaxonomy 208M00000X · License 0101274055 (VA), 25903 (TN)
105 W STONE DR STE 5D, Kingsport, TN 37660
Open in Google Maps ↗

Secondary Practice Locations 5

Location 1102 15th St NW Ste 301Norton, VA 24273-1627 · Phone (276) 439-1470
Location 22002 Brookside Dr, Suite 300Kingsport, TN 37660-4634 · Phone (423) 530-7900 · Fax (423) 530-7901
Location 3301 Med Tech Pkwy Ste 200Johnson City, TN 37604 · Phone (423) 794-1300 · Fax (423) 794-1820
Location 4105 W Park DrKingsport, TN 37660-3805 · Phone (423) 224-3220
Location 5320 Bristol West Blvd Ste 2CBristol, TN 37620-8773 · Phone (423) 844-1399 · Fax (423) 844-1397

Other Identifiers 2

Medicaid1255338547VA
Medicaid3089796TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark L Withrow Md 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 ID9133117633
PECOS Enrollment IDI20060215000219
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.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services18 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Wellmont Bristol Regional Medical Center

Acute Care Hospitals · Bristol, TN
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number440012
LocationOne Medical Park BlvdBristol, TN 37620 · Sullivan County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37660 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
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

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

DR. SEAN P WHITE MD
Obstetrics & Gynecology
105 W STONE DR STE 5D
KINGSPORT, TN 37660
Sullivan County (423) 247-7500

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 Mark Withrow's NPI number?

The NPI number for Mark Withrow is 1255338547. It was assigned to this individual provider in the NPPES registry on July 1, 2005.

Where is Mark Withrow located?

Mark Withrow practices at 105 W Stone Dr Ste 5D, Kingsport, TN 37660. The listed phone number is (423) 247-7500.

What is Mark Withrow's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Mark Withrow enrolled in Medicare?

Yes. Mark Withrow 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.

What insurance does Mark Withrow accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Mark Withrow 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 Mark Withrow affiliated with any hospitals?

According to CMS data, Mark Withrow is affiliated with Wellmont Bristol Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Withrow was last updated on September 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.