Doctor profile · Federal record

Dr. Abigail Orenstein, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Infectious Disease Physician · Springfield, MA

  • NPI 1700834751
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
759 Chestnut St
Springfield, MA 011991619
(413) 794-5439
fax (413) 794-5389
Mailing address
280 Chestnut St, 2Nd Fl
Springfield, MA 011991619

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 21, 2015
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Massachusetts #253080

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700834751. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
235
Distinct HCPCS
4
Medicare allowed
$40,224
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 145 81 $214
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 61 44 $120
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 15 15 $84
36620 Insertion of artery tube for blood sampling or infusion through skin 14 14 $44

In context: peer comparison

Among 8 peers in Springfield Critical Care Medicine (Internal Medicine) Physician, average services per provider: 84. This provider delivers 2.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Abigail Orenstein's medical specialty?
Dr. Abigail Orenstein practices Critical Care Medicine (Internal Medicine) Physician in Springfield, MA.
Where does Dr. Abigail Orenstein practice?
Dr. Abigail Orenstein practices at 759 Chestnut St, Springfield, MA 011991619. Office phone: 4137945439.
What is Dr. Abigail Orenstein's NPI?
Dr. Abigail Orenstein's National Provider Identifier (NPI) is 1700834751, issued by NPPES.
Does Dr. Abigail Orenstein accept Medicare assignment?
Yes. Dr. Abigail Orenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abigail Orenstein commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.