Doctor profile · Federal record

Dr. Tammy Lin, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Emergency Medicine Physician · Gainesville, GA

  • NPI 1437683331
  • Accepts Medicare
  • MIPS 82.6 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
743 Spring St Ne
Gainesville, GA 305013715
(770) 219-9000
Additional location
49 Jesse Hill JR Dr Se
Atlanta, GA 303033049
(203) 917-7703
Mailing address
Po Box 742616
Atlanta, GA 303742616

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 18, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Georgia #89406

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437683331. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
269
Distinct HCPCS
6
Medicare allowed
$43,111
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 140 70 $202
99285 Emergency department visit with high level of medical decision making 57 56 $171
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 22 22 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 17 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 19 18 $110
99284 Emergency department visit with moderate level of medical decision making 11 11 $117

In context: peer comparison

Among 12 peers in this city , average services per provider: 101. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Lin's medical specialty?
Dr. Tammy Lin practices Critical Care Medicine (Internal Medicine) Physician in Gainesville, GA.
Where does Dr. Tammy Lin practice?
Dr. Tammy Lin practices at 743 Spring St Ne, Gainesville, GA 305013715. Office phone: 7702199000.
What is Dr. Tammy Lin's NPI?
Dr. Tammy Lin's National Provider Identifier (NPI) is 1437683331, issued by NPPES.
Does Dr. Tammy Lin accept Medicare assignment?
Yes. Dr. Tammy Lin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Lin commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.