Doctor profile · Federal record

Dr. William Fielding, P.A.

Physician Assistant · Physician Assistant · Clifton Park, NY

  • NPI 1154345015
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1 Tallow Wood Dr
Clifton Park, NY 120652807
(518) 373-4500
Additional location
3890 Tampa RD Ste 102
Palm Harbor, FL 346843677
(727) 781-3150
fax (813) 635-2636
Additional location
1111 Hudson Ave
Stillwater, NY 121703439
(518) 664-3242
Mailing address
Po Box 14890
Albany, NY 122124890

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 16, 2022
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
New York #006612 · Florida #PA9114434

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154345015. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
435
Distinct HCPCS
4
Medicare allowed
$25,883
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 177 126 $65
99213 Established patient office or other outpatient visit, 20-29 minutes 168 142 $53
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 78 78 $69
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 12 12 $7

In context: peer comparison

Among 4 peers in Clifton Park Physician Assistant, average services per provider: 60. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,148
Transactions
61
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 19 $253.90
Novo Nordisk INC 12 $209.96
Lilly USA, LLC 8 $166.07
Abbott Laboratories 5 $110.01
Astellas Pharma US INC 1 $90.00
Amgen INC. 4 $74.98
Dexcom, INC. 3 $66.49
Merck Sharp & Dohme LLC 2 $47.01
GlaxoSmithKline, LLC. 3 $46.61
AstraZeneca Pharmaceuticals Lp 2 $34.44
Exact Sciences Corporation 1 $28.65
Phathom Pharmaceuticals, INC. 1 $20.14

By nature of payment

Food and Beverage
$1,058
Education
$90

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
850
Patients
444
Total drug cost
$48,935
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 94 51 $1,059
Lisinopril Generic 76 41 $465
Levothyroxine Sodium Generic 75 41 $1,021
Omeprazole Generic 72 42 $1,059
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 70 37 $2,099
Alprazolam Generic 60 33 $417
Gabapentin Generic 54 19 $987
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 51 21 $1,639
Amlodipine Besylate Generic 50 26 $316
Rosuvastatin Calcium Generic 50 32 $815

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fielding's medical specialty?
Dr. William Fielding practices Physician Assistant in Clifton Park, NY.
Where does Dr. William Fielding practice?
Dr. William Fielding practices at 1 Tallow Wood Dr, Clifton Park, NY 120652807. Office phone: 5183734500.
What is Dr. William Fielding's NPI?
Dr. William Fielding's National Provider Identifier (NPI) is 1154345015, issued by NPPES.
Does Dr. William Fielding accept Medicare assignment?
Yes. Dr. William Fielding accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fielding commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.