Doctor profile · Federal record

Dr. Michael Henderson, MD

Internal Medicine Physician (CMS: Internal Medicine) · Oak Ridge, TN

  • NPI 1639125495
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 Oak Ridge Tpke
Oak Ridge, TN 378306916
(865) 483-3172
Mailing address
1225 E Weisgarber RD, Suite 200
Knoxville, TN 379092604

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 7, 2008
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Tennessee #39895

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639125495. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,826
Distinct HCPCS
10
Medicare allowed
$252,071
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 747 403 $8
80053 Blood test, comprehensive group of blood chemicals 672 385 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 640 383 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 597 361 $117
80061 Blood test, lipids (cholesterol and triglycerides) 570 363 $13
84443 Blood test, thyroid stimulating hormone (tsh) 559 358 $16
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 363 363 $117
83036 Hemoglobin a1c level 355 220 $9
99213 Established patient office or other outpatient visit, 20-29 minutes 322 220 $82
G0444 Annual depression screening, 5 to 15 minutes 321 321 $17

In context: peer comparison

Among 10 peers in this city , average services per provider: 137. This provider delivers 57× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$842
Transactions
51
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 13 $235.21
ABBVIE INC. 12 $156.46
GlaxoSmithKline, LLC. 5 $83.89
Abbott Laboratories 4 $71.88
Lilly USA, LLC 4 $61.44
Sumitomo Pharma America, Inc. 3 $50.60
Amgen Inc. 3 $48.52
Phathom Pharmaceuticals, Inc. 2 $39.44
Inspire Medical Systems, Inc. 1 $29.85
Silk Road Medical, Inc. 1 $20.13
IDORSIA PHARMACEUTICALS US INC 1 $18.21
Astellas Pharma US Inc 1 $13.25
Boston Scientific Corporation 1 $13.14

By nature of payment

Food and Beverage
$842

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,600
Patients
1,231
Total drug cost
$259,677
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 684 180 $7,191
Atorvastatin Calcium Generic 369 105 $3,114
Amlodipine Besylate Generic 351 88 $2,165
Omeprazole Generic 348 100 $3,972
Rosuvastatin Calcium Generic 331 96 $3,834
Losartan Potassium Generic 312 91 $2,754
Metformin Hcl Er (Metformin Hcl) Brand 304 76 $1,963
Pantoprazole Sodium Generic 284 64 $3,010
Gabapentin Generic 281 65 $3,239
Lisinopril Generic 269 76 $1,500

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Henderson's medical specialty?
Dr. Michael Henderson practices Internal Medicine Physician in Oak Ridge, TN.
Where does Dr. Michael Henderson practice?
Dr. Michael Henderson practices at 801 Oak Ridge Tpke, Oak Ridge, TN 378306916. Office phone: 8654833172.
What is Dr. Michael Henderson's NPI?
Dr. Michael Henderson's National Provider Identifier (NPI) is 1639125495, issued by NPPES.
Does Dr. Michael Henderson accept Medicare assignment?
Yes. Dr. Michael Henderson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Henderson 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); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.