Doctor profile · Federal record

Dr. Nicholas Fielding, PA-C

Medical Physician Assistant · Physician Assistant · Westfield, MA

  • NPI 1821658022
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
115 W Silver St
Westfield, MA 010853678
(413) 568-2811
Mailing address
280 Chestnut St Fl 2
Springfield, MA 011991001

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
February 8, 2021
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Massachusetts #PA7135

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821658022. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
296
Distinct HCPCS
4
Medicare allowed
$34,271
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 114 112 $103
99285 Emergency department visit with high level of medical decision making 110 107 $149
99283 Emergency department visit with low level of medical decision making 58 57 $61
99291 Critical care, first 30-74 minutes 14 14 $182

In context: peer comparison

Among 7 peers in Westfield Medical Physician Assistant, average services per provider: 79. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
136
Patients
133
Total drug cost
$1,341
Drug Type Claims Patients Total cost
Ibuprofen Generic 38 36 $204
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 24 23 $256
Cephalexin Generic 19 19 $631
Cyclobenzaprine Hcl Generic 16 16 $102
Ondansetron Odt (Ondansetron) Brand 14 14 $87
Prednisone Generic 13 13 $26
Oxycodone Hcl Generic 12 12 $35

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Fielding's medical specialty?
Dr. Nicholas Fielding practices Medical Physician Assistant in Westfield, MA.
Where does Dr. Nicholas Fielding practice?
Dr. Nicholas Fielding practices at 115 W Silver St, Westfield, MA 010853678. Office phone: 4135682811.
What is Dr. Nicholas Fielding's NPI?
Dr. Nicholas Fielding's National Provider Identifier (NPI) is 1821658022, issued by NPPES.
What procedures does Dr. Nicholas Fielding commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.