Doctor profile · Federal record

Dr. Michael Tan, MD

Internal Medicine Physician (CMS: Internal Medicine) · Morristown, TN

  • NPI 1669499208
  • Accepts Medicare
  • MIPS 21.4 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
854 West 7Th North St
Morristown, TN 378143850
(423) 581-7119

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 27, 2010
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Tennessee #33933

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669499208. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,324
Distinct HCPCS
9
Medicare allowed
$99,028
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 340 114 $117
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 238 118 $69
J1100 Injection, dexamethasone sodium phosphate, 1 mg 235 39 $0
99213 Established patient office or other outpatient visit, 20-29 minutes 205 78 $83
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 134 106 $124
96372 Injection of drug or substance under skin or into muscle 86 39 $13
99315 Nursing facility discharge day management, 30 minutes or less 57 55 $76
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 17 12 $48
99496 Transitional care management services for problem of high complexity 12 11 $255

In context: peer comparison

Among 8 peers in this city , average services per provider: 149. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$347
Transactions
7
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
UCB, Inc. 1 $135.71
Novo Nordisk Inc 1 $116.00
Novartis Pharmaceuticals Corporation 1 $28.32
Sumitomo Pharma America, Inc. 1 $20.85
Otsuka America Pharmaceutical, Inc. 1 $18.44
AstraZeneca Pharmaceuticals LP 1 $14.06
E.R. Squibb & Sons, L.L.C. 1 $13.79

By nature of payment

Food and Beverage
$231
Education
$116

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,377
Patients
1,685
Total drug cost
$324,513
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 990 186 $13,143
Levothyroxine Sodium Generic 966 185 $12,950
Eliquis (Apixaban) Brand 663 89 $220,451
Gabapentin Generic 646 121 $7,851
Pantoprazole Sodium Generic 630 122 $10,739
Lisinopril Generic 558 128 $4,962
Metoprolol Tartrate Generic 545 118 $4,586
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 465 104 $9,754
Donepezil Hcl Generic 450 78 $8,547
Omeprazole Generic 424 116 $5,784

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Tan's medical specialty?
Dr. Michael Tan practices Internal Medicine Physician in Morristown, TN.
Where does Dr. Michael Tan practice?
Dr. Michael Tan practices at 854 West 7Th North St, Morristown, TN 378143850. Office phone: 4235817119.
What is Dr. Michael Tan's NPI?
Dr. Michael Tan's National Provider Identifier (NPI) is 1669499208, issued by NPPES.
Does Dr. Michael Tan accept Medicare assignment?
Yes. Dr. Michael Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.