Doctor profile · Federal record
Dr. Mark McClanahan, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Fredericksburg, VA
- NPI 1093840811
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10711 Spotsylvania Ave
Fredericksburg, VA 224082674
(540) 891-8499
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- April 6, 2011
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Virginia #0101041309
- Medicaid
- VA #6079041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093840811. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
10,964
Distinct HCPCS
10
Medicare allowed
$530,188
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 3,152 | 1,348 | $124 | |
83036 |
Hemoglobin a1c level | 2,274 | 859 | $9 | |
36415 |
Insertion of needle into vein for collection of blood sample | 2,261 | 848 | $6 | |
82947 |
Blood glucose (sugar) level | 1,872 | 761 | $4 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 595 | 238 | $33 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 299 | 236 | $86 | |
77085 |
Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment | 206 | 206 | $51 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 108 | 108 | $212 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 92 | 78 | $23 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 74 | 65 | $174 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 505. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$469
Transactions
23
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| SANOFI-AVENTIS U.S. LLC | 2 | $50.64 | |
| Novartis Pharmaceuticals Corporation | 2 | $46.53 | |
| Tandem Diabetes Care, Inc. | 2 | $42.62 | |
| Abbott Laboratories | 2 | $39.95 | |
| Insulet Corporation | 2 | $35.20 | |
| Mannkind Corporation | 2 | $35.06 | |
| Radius Health, Inc. | 1 | $34.37 | |
| CeQur Corporation | 1 | $32.40 | |
| Corcept Therapeutics | 2 | $27.95 | |
| Novo Nordisk Inc | 2 | $27.15 | |
| Lilly USA, LLC | 1 | $24.64 | |
| Amneal Pharmaceuticals LLC | 1 | $21.92 | |
| Medtronic, Inc. | 1 | $20.78 | |
| Amgen Inc. | 1 | $16.25 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $13.54 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,249
Patients
957
Total drug cost
$1,421,214
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 607 | 189 | $10,047 |
| Glimepiride | Generic | 361 | 109 | $4,299 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 335 | 106 | $5,791 |
| Metformin Hcl | Generic | 273 | 81 | $3,235 |
| Trulicity (Dulaglutide) | Brand | 246 | 51 | $454,984 |
| Synthroid (Levothyroxine Sodium) | Brand | 230 | 62 | $25,597 |
| Ozempic (Semaglutide) | Brand | 215 | 58 | $429,701 |
| Atorvastatin Calcium | Generic | 191 | 51 | $3,009 |
| Jardiance (Empagliflozin) | Brand | 176 | 43 | $239,666 |
| Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 166 | 65 | $16,032 |
Frequently asked questions
What is Dr. Mark McClanahan's medical specialty?
Dr. Mark McClanahan practices Endocrinology, Diabetes & Metabolism Physician in Fredericksburg, VA.
Where does Dr. Mark McClanahan practice?
Dr. Mark McClanahan practices at 10711 Spotsylvania Ave, Fredericksburg, VA 224082674. Office phone: 5408918499.
What is Dr. Mark McClanahan's NPI?
Dr. Mark McClanahan's National Provider Identifier (NPI) is 1093840811, issued by NPPES.
Does Dr. Mark McClanahan accept Medicare assignment?
Yes. Dr. Mark McClanahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark McClanahan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.