Doctor profile · Federal record
Dr. Sarah McMackin, FNP-BC
Family Nurse Practitioner · Family Nurse Practitioner · Johnson City, TN
- NPI 1639596349
- 12 yrs on file
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 N State of Franklin RD
Johnson City, TN 376046035
(423) 431-6561
fax (423) 431-5850
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- August 12, 2022
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Tennessee #18576 · Virginia #0024184337
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639596349. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,272
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 13 | 12 | $98 |
In context: peer comparison
Among 83 peers in Johnson City Family Nurse Practitioner, average services per provider: 88. This provider delivers 0.1× the peer median.Frequently asked questions
What is Dr. Sarah McMackin's medical specialty?
Dr. Sarah McMackin practices Family Nurse Practitioner in Johnson City, TN.
Where does Dr. Sarah McMackin practice?
Dr. Sarah McMackin practices at 400 N State of Franklin RD, Johnson City, TN 376046035. Office phone: 4234316561.
What is Dr. Sarah McMackin's NPI?
Dr. Sarah McMackin's National Provider Identifier (NPI) is 1639596349, issued by NPPES.
What procedures does Dr. Sarah McMackin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.