Doctor profile · Federal record

Dr. Sara Lacasse, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Amherst, MA

  • NPI 1649390865
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
31 Hall Dr
Amherst, MA 010022751
(413) 256-8561
fax (866) 644-0869
Additional location
238 Northampton St
Easthampton, MA 010271046
(413) 529-9300
fax (866) 644-0870
Additional location
329 Conway St
Greenfield, MA 013011521
(413) 774-6301
fax (866) 644-0871
Show 1 more location
Additional location
70 Main St
Florence, MA 010621466
(413) 586-8400
fax (866) 644-0872

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
September 9, 2024
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Massachusetts #2481

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649390865. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
5
Medicare allowed
$8,523
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $145
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 16 16 $16
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 16 16 $111
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $79

In context: peer comparison

Among 4 peers in Amherst Medical Physician Assistant, average services per provider: 62. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
50
Total drug cost
$680
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 20 $188
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 17 $444
Prednisone Generic 13 13 $49

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sara Lacasse's medical specialty?
Dr. Sara Lacasse practices Medical Physician Assistant in Amherst, MA.
Where does Dr. Sara Lacasse practice?
Dr. Sara Lacasse practices at 31 Hall Dr, Amherst, MA 010022751. Office phone: 4132568561.
What is Dr. Sara Lacasse's NPI?
Dr. Sara Lacasse's National Provider Identifier (NPI) is 1649390865, issued by NPPES.
Does Dr. Sara Lacasse accept Medicare assignment?
Yes. Dr. Sara Lacasse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sara Lacasse commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (HCPCS 87880); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.