Doctor profile · Federal record

Dr. Alexandra Sanseverino, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Worcester, MA

  • NPI 1639517329
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
November 30, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Massachusetts #265995
Medicaid
MA #110114829A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639517329. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
205
Distinct HCPCS
4
Medicare allowed
$32,053
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 103 101 $178
99284 Emergency department visit with moderate level of medical decision making 70 69 $122
99291 Critical care, first 30-74 minutes 20 20 $216
99283 Emergency department visit with low level of medical decision making 12 12 $73

In context: peer comparison

Among 82 peers in Worcester Emergency Medicine Physician, average services per provider: 70. This provider delivers 2.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Sanseverino's medical specialty?
Dr. Alexandra Sanseverino practices Emergency Medicine Physician in Worcester, MA.
Where does Dr. Alexandra Sanseverino practice?
Dr. Alexandra Sanseverino practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Alexandra Sanseverino's NPI?
Dr. Alexandra Sanseverino's National Provider Identifier (NPI) is 1639517329, issued by NPPES.
Does Dr. Alexandra Sanseverino accept Medicare assignment?
Yes. Dr. Alexandra Sanseverino accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Sanseverino commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.