Doctor profile · Federal record
Dr. Douglas Marlow, MD
Internal Medicine Physician (CMS: Internal Medicine) · Knoxville, TN
- NPI 1659360295
- Accepts Medicare
- MIPS 94.7 / 100 · 2023
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6600 Nightingale Ln
Knoxville, TN 379092754
(865) 632-5885
fax (865) 374-2164 - Additional location
-
7625 Chapman Hwy Ste 103
Knoxville, TN 379202353
(865) 632-5893
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- August 20, 2025
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Tennessee #MD35847
- Medicaid
- TN #3867894
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659360295. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,263
Distinct HCPCS
10
Medicare allowed
$116,526
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 396 | 173 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 375 | 189 | $10 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 317 | 153 | $118 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 298 | 183 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 265 | 180 | $13 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 228 | 151 | $84 | |
83036 |
Hemoglobin a1c level | 209 | 107 | $10 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 164 | 131 | $16 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 153 | 153 | $119 | |
G0008 |
Administration of influenza virus vaccine | 80 | 80 | $28 |
In context: peer comparison
Among 77 peers in Knoxville Internal Medicine Physician, average services per provider: 140. This provider delivers 23× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,139
Patients
849
Total drug cost
$118,313
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 531 | 140 | $6,574 |
| Amlodipine Besylate | Generic | 432 | 114 | $2,466 |
| Levothyroxine Sodium | Generic | 276 | 69 | $3,654 |
| Hydrochlorothiazide | Generic | 236 | 65 | $1,816 |
| Omeprazole | Generic | 201 | 54 | $2,640 |
| Losartan Potassium | Generic | 200 | 56 | $2,784 |
| Benazepril Hcl | Generic | 168 | 46 | $1,485 |
| Meloxicam | Generic | 163 | 60 | $837 |
| Pantoprazole Sodium | Generic | 155 | 42 | $1,534 |
| Lisinopril | Generic | 153 | 38 | $987 |
Hospital affiliations
Frequently asked questions
What is Dr. Douglas Marlow's medical specialty?
Dr. Douglas Marlow practices Internal Medicine Physician in Knoxville, TN.
Where does Dr. Douglas Marlow practice?
Dr. Douglas Marlow practices at 6600 Nightingale Ln, Knoxville, TN 379092754. Office phone: 8656325885.
What is Dr. Douglas Marlow's NPI?
Dr. Douglas Marlow's National Provider Identifier (NPI) is 1659360295, issued by NPPES.
Does Dr. Douglas Marlow accept Medicare assignment?
Yes. Dr. Douglas Marlow accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Marlow commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.