Doctor profile · Federal record

Dr. Andrew Walkowiak, OD

Optometrist (CMS: Optometry) · Greenfield, MA

  • NPI 1053301135
  • Accepts Medicare
  • MIPS 92.2 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
33 Riddell St
Greenfield, MA 01301
(413) 774-7016
fax (413) 773-7596

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
June 2, 2023
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Massachusetts #3551

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053301135. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
230
Distinct HCPCS
5
Medicare allowed
$25,515
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 85 59 $93
92014 Established patient complete exam of visual system 76 76 $131
92004 New patient complete exam of visual system 24 24 $155
99214 Established patient office or other outpatient visit, 30-39 minutes 23 22 $131
92134 Imaging of retina 22 22 $42

In context: peer comparison

Among 4 peers in this city , average services per provider: 92. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$744
Transactions
25
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, Inc. 8 $256.43
ABBVIE INC. 10 $202.33
Mallinckrodt Hospital Products Inc. 2 $147.49
Astellas Pharma US Inc 1 $34.66
Johnson & Johnson Surgical Vision, Inc. 1 $31.64
Genentech USA, Inc. 1 $30.53
Alcon Vision LLC 1 $22.32
Amgen Inc. 1 $18.51

By nature of payment

Food and Beverage
$744

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
119
Patients
42
Total drug cost
$3,646
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 33 25 $1,820
Moxifloxacin (Moxifloxacin Hcl) Brand 24 0 $491
Brimonidine Tartrate Generic 22 17 $384
Ofloxacin Generic 15 0 $309
Erythromycin (Erythromycin Base) Brand 13 0 $174
Valacyclovir (Valacyclovir Hcl) Brand 12 0 $469

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Walkowiak's medical specialty?
Dr. Andrew Walkowiak practices Optometrist in Greenfield, MA.
Where does Dr. Andrew Walkowiak practice?
Dr. Andrew Walkowiak practices at 33 Riddell St, Greenfield, MA 01301. Office phone: 4137747016.
What is Dr. Andrew Walkowiak's NPI?
Dr. Andrew Walkowiak's National Provider Identifier (NPI) is 1053301135, issued by NPPES.
Does Dr. Andrew Walkowiak accept Medicare assignment?
Yes. Dr. Andrew Walkowiak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Walkowiak commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.