Doctor profile · Federal record

Dr. Allyson Hallahan

Family Nurse Practitioner · Troy, MI

  • NPI 1710357348
  • 11 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1920 Livernois RD
Troy, MI 480831770
(586) 431-1777
Additional location
15120 Michigan Ave Ste A
Dearborn, MI 481262916
(313) 843-8300
Mailing address
4050 E 12 Mile RD
Warren, MI 480922534

Credentials & registration

NPPES · NUCC
NPI registered
September 2015 — 11 yrs on file
Profile last updated
February 15, 2019
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704257157

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710357348. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
684
Distinct HCPCS
5
Medicare allowed
$40,349
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 363 85 $68
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 255 60 $43
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 30 $113
99406 Smoking and tobacco use intensive counseling, 4-10 minutes 23 22 $10
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 12 12 $73

In context: peer comparison

Among 18 peers in Troy Family Nurse Practitioner, average services per provider: 84. This provider delivers 8.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
88
Patients
85
Total drug cost
$1,511
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 26 23 $1,113
Amlodipine Besylate Generic 24 24 $91
Atorvastatin Calcium Generic 23 23 $197
Omeprazole Generic 15 15 $109

Frequently asked questions

Auto-generated from federal data
What is Dr. Allyson Hallahan's medical specialty?
Dr. Allyson Hallahan practices Family Nurse Practitioner in Troy, MI.
Where does Dr. Allyson Hallahan practice?
Dr. Allyson Hallahan practices at 1920 Livernois RD, Troy, MI 480831770. Office phone: 5864311777.
What is Dr. Allyson Hallahan's NPI?
Dr. Allyson Hallahan's National Provider Identifier (NPI) is 1710357348, issued by NPPES.
What procedures does Dr. Allyson Hallahan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.