Doctor profile · Federal record

Dr. Alka Aggarwal, MD

Internal Medicine Physician (CMS: Internal Medicine) · Danbury, CT

  • NPI 1427041987
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Hospital Ave
Danbury, CT 068106099
(203) 739-6959

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
December 11, 2013
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #51881

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427041987. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,790
Distinct HCPCS
7
Medicare allowed
$288,103
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 1,068 1,000 $186
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 379 374 $140
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 144 135 $128
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 95 87 $84
99497 Advance care planning, first 30 minutes 64 64 $81
99239 Hospital discharge day management, more than 30 minutes 26 26 $124
99284 Emergency department visit with moderate level of medical decision making 14 14 $128

In context: peer comparison

Among 35 peers in this city , average services per provider: 136. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$221
Transactions
10
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 4 $69.08
Boston Scientific Corporation 1 $57.09
PFIZER INC. 3 $54.50
Merck Sharp & Dohme LLC 2 $40.30

By nature of payment

Food and Beverage
$221

Frequently asked questions

Auto-generated from federal data
What is Dr. Alka Aggarwal's medical specialty?
Dr. Alka Aggarwal practices Internal Medicine Physician in Danbury, CT.
Where does Dr. Alka Aggarwal practice?
Dr. Alka Aggarwal practices at 24 Hospital Ave, Danbury, CT 068106099. Office phone: 2037396959.
What is Dr. Alka Aggarwal's NPI?
Dr. Alka Aggarwal's National Provider Identifier (NPI) is 1427041987, issued by NPPES.
Does Dr. Alka Aggarwal accept Medicare assignment?
Yes. Dr. Alka Aggarwal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alka Aggarwal commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.