Doctor profile · Federal record
Dr. Michael Nannenga, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Kingsport, TN
- NPI 1922104975
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
105 W Stone Dr, Ste 5D
Kingsport, TN 376603365
(423) 857-2790
fax (423) 857-2791 - Mailing address
-
Po Box 9
Kingsport, TN 376620009
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 18, 2011
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Tennessee #MD46522
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922104975. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
906
Distinct HCPCS
5
Medicare allowed
$90,896
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 582 | 366 | $119 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 122 | 57 | $32 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 101 | 99 | $84 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 58 | 58 | $154 | |
36415 |
Insertion of needle into vein for collection of blood sample | 43 | 42 | $8 |
In context: peer comparison
Among 1 peers in Kingsport Endocrinology, Diabetes & Metabolism Physician, average services per provider: 181. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$261
Transactions
16
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 11 | $153.95 | |
| Medtronic, INC. | 1 | $33.91 | |
| Dexcom, INC. | 2 | $33.88 | |
| Beta Bionics, INC. | 1 | $25.51 | |
| Insulet Corporation | 1 | $13.26 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,698
Patients
1,021
Total drug cost
$1,619,288
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 1,357 | 362 | $19,898 |
| Methimazole | Generic | 301 | 80 | $3,890 |
| Synthroid (Levothyroxine Sodium) | Brand | 271 | 66 | $25,081 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 247 | 68 | $277,902 |
| Novolog Flexpen (Insulin Aspart) | Brand | 219 | 74 | $413,762 |
| Ozempic (Semaglutide) | Brand | 191 | 53 | $302,724 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 182 | 59 | $3,053 |
| Metformin Hcl | Generic | 162 | 43 | $1,838 |
| Trulicity (Dulaglutide) | Brand | 136 | 28 | $191,435 |
| Atorvastatin Calcium | Generic | 123 | 40 | $2,221 |
Frequently asked questions
What is Dr. Michael Nannenga's medical specialty?
Dr. Michael Nannenga practices Endocrinology, Diabetes & Metabolism Physician in Kingsport, TN.
Where does Dr. Michael Nannenga practice?
Dr. Michael Nannenga practices at 105 W Stone Dr, Kingsport, TN 376603365. Office phone: 4238572790.
What is Dr. Michael Nannenga's NPI?
Dr. Michael Nannenga's National Provider Identifier (NPI) is 1922104975, issued by NPPES.
Does Dr. Michael Nannenga accept Medicare assignment?
Yes. Dr. Michael Nannenga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Nannenga commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.