Doctor profile · Federal record

Dr. Sonali Ayar, MD

Anatomic Pathology Physician (CMS: Pathology) · Student in an Organized Health Care Education/Training Program · Worcester, MA

  • NPI 1538315247
  • Accepts Medicare
  • 15 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N, Department of Pathology
Worcester, MA 016550002
(508) 793-6100
fax (508) 793-6110
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
November 7, 2023
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State licenses (2)
Massachusetts #247012 · Alabama #R9718

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538315247. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,913
Distinct HCPCS
10
Medicare allowed
$70,092
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 618 319 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 301 88 $30
88342 Special stained specimen slides to examine tissue, initial procedure 221 159 $37
84165 Protein measurement, serum 168 126 $19
86334 Immunologic analysis technique on serum (immunofixation) 97 82 $19
88304 Pathology examination of tissue using a microscope, moderately low complexity 87 76 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 81 60 $87
88112 Cell examination of specimen, selective cellular enhancement technique 56 49 $29
88313 Special stained specimen slides to examine tissue including interpretation and report 56 28 $13
88361 Microscopic genetic analysis of tumor, using computer-assisted technology 53 23 $46

In context: peer comparison

Among 13 peers in this city , average services per provider: 110. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Roche Diagnostics Corporation 1 $20.98

By nature of payment

Food and Beverage
$21

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sonali Ayar's medical specialty?
Dr. Sonali Ayar practices Anatomic Pathology Physician in Worcester, MA.
Where does Dr. Sonali Ayar practice?
Dr. Sonali Ayar practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5087936100.
What is Dr. Sonali Ayar's NPI?
Dr. Sonali Ayar's National Provider Identifier (NPI) is 1538315247, issued by NPPES.
Does Dr. Sonali Ayar accept Medicare assignment?
Yes. Dr. Sonali Ayar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonali Ayar commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.