Doctor profile · Federal record

Dr. Ashley Fields, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Southfield, MI

  • NPI 1427442243
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21540 W 11 Mile RD # 200
Southfield, MI 480763843
(248) 352-2000
fax (248) 352-0772
Mailing address
Po Box 1239
Troy, MI 480991239

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
April 17, 2015
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704271797

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427442243. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,483
Distinct HCPCS
4
Medicare allowed
$188,990
HCPCS Description Services Patients Avg allowed
90792 Psychiatric diagnostic evaluation with medical services 708 664 $165
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 650 311 $90
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 95 62 $130
99484 Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional 30 22 $37

In context: peer comparison

Among 22 peers in Southfield Family Nurse Practitioner, average services per provider: 120. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $35.03

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
714
Patients
121
Total drug cost
$18,581
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 182 48 $5,503
Mirtazapine Generic 121 34 $1,865
Quetiapine Fumarate Generic 66 15 $1,767
Divalproex Sodium Generic 45 11 $1,355
Duloxetine Hcl Generic 39 0 $3,072
Trazodone Hcl Generic 35 13 $295
Sertraline Hcl Generic 30 0 $323
Citalopram Hbr (Citalopram Hydrobromide) Brand 29 0 $255
Escitalopram Oxalate Generic 29 0 $336
Fluoxetine Hcl Generic 28 0 $705

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashley Fields's medical specialty?
Dr. Ashley Fields practices Family Nurse Practitioner in Southfield, MI.
Where does Dr. Ashley Fields practice?
Dr. Ashley Fields practices at 21540 W 11 Mile RD # 200, Southfield, MI 480763843. Office phone: 2483522000.
What is Dr. Ashley Fields's NPI?
Dr. Ashley Fields's National Provider Identifier (NPI) is 1427442243, issued by NPPES.
Does Dr. Ashley Fields accept Medicare assignment?
Yes. Dr. Ashley Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Fields commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310). Source: CMS Medicare Physician & Other Practitioners file.