Doctor profile · Federal record
Dr. Mark Withrow, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Hospitalist Physician · Obstetrics & Gynecology Physician · Hospitalist Physician · Kingsport, TN
- NPI 1255338547
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 6 locations .
- Primary practice
-
105 W Stone Dr Ste 5D
Kingsport, TN 376603365
(423) 247-7500
fax (423) 247-7556 - Additional location
-
105 W Park Dr
Kingsport, TN 376603805
(423) 224-3220 - Additional location
-
2002 Brookside Dr, Suite 300
Kingsport, TN 376604634
(423) 530-7900
fax (423) 530-7901 - Additional location
-
301 MED Tech Pkwy Ste 200
Johnson City, TN 37604
(423) 794-1300
fax (423) 794-1820 - Additional location
-
320 Bristol West Blvd Ste 2C
Bristol, TN 376208773
(423) 844-1399
fax (423) 844-1397 - Additional location
-
102 15Th St Nw Ste 301
Norton, VA 242731627
(276) 439-1470 - Mailing address
-
Po Box 9
Kingsport, TN 376620009
Show 3 more locations
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- September 3, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (3)
- Tennessee #MD025903 · Virginia #0101274055 · Tennessee #25903
- Medicaid (2)
- VA #1255338547 · TN #3089796
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255338547. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
3
Medicare allowed
$2,361
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 16 | $78 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 13 | 13 | $36 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 12 | 12 | $40 |
In context: peer comparison
Among 7 peers in Kingsport Obstetrics & Gynecology Physician, average services per provider: 32. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$289
Transactions
14
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 5 | $111.41 | |
| Sumitomo Pharma America, INC. | 3 | $67.06 | |
| Organon LLC | 2 | $44.32 | |
| Sage Therapeutics, INC. | 2 | $36.41 | |
| Exeltis, USA INC. | 2 | $29.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
92
Patients
14
Total drug cost
$9,037
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 40 | 14 | $2,231 |
| Clobetasol Propionate | Generic | 17 | 0 | $1,080 |
| Premarin (Estrogens, Conjugated) | Brand | 13 | 0 | $5,051 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 11 | 0 | $375 |
| Progesterone (Progesterone, Micronized) | Brand | 11 | 0 | $301 |
Frequently asked questions
What is Dr. Mark Withrow's medical specialty?
Dr. Mark Withrow practices Obstetrics & Gynecology Physician in Kingsport, TN.
Where does Dr. Mark Withrow practice?
Dr. Mark Withrow practices at 105 W Stone Dr Ste 5D, Kingsport, TN 376603365. Office phone: 4232477500.
What is Dr. Mark Withrow's NPI?
Dr. Mark Withrow's National Provider Identifier (NPI) is 1255338547, issued by NPPES.
Does Dr. Mark Withrow accept Medicare assignment?
Yes. Dr. Mark Withrow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Withrow commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091). Source: CMS Medicare Physician & Other Practitioners file.