Doctor profile · Federal record

Dr. Allen Chodock, MD

Internal Medicine Physician · Greenwich, CT

  • NPI 1811928138
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
124 Ritch Ave W # Aptb304
Greenwich, CT 068306956
(203) 681-2610
fax (203) 532-5712

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 2, 2025
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #092732

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811928138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
910
Distinct HCPCS
7
Medicare allowed
$73,808
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 290 95 $141
99213 Established patient office or other outpatient visit, 20-29 minutes 241 75 $99
36415 Insertion of needle into vein for collection of blood sample 214 84 $3
90756 Influenza vaccine, quadrivalent derived from cell cultures 55 55 $26
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 48 38 $16
G0008 Administration of influenza virus vaccine 36 36 $29
99215 Established patient office or other outpatient visit, 40-54 minutes 26 26 $197

In context: peer comparison

Among 19 peers in Greenwich Internal Medicine Physician, average services per provider: 94. This provider delivers 9.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$443
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $181.87
Novo Nordisk INC 1 $125.00
E.R. Squibb & Sons, L.L.C. 3 $98.24
AstraZeneca Pharmaceuticals Lp 1 $21.24
Amgen INC. 1 $16.24

By nature of payment

Food and Beverage
$443

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
770
Patients
157
Total drug cost
$15,426
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 176 45 $2,118
Metoprolol Succinate Generic 73 18 $1,613
Zolpidem Tartrate Generic 57 11 $1,357
Lisinopril Generic 55 14 $457
Methotrexate (Methotrexate Sodium) Brand 54 0 $1,480
Allopurinol Generic 46 13 $900
Synthroid (Levothyroxine Sodium) Brand 44 12 $4,883
Hydrochlorothiazide Generic 43 11 $149
Metformin Hcl Generic 41 11 $446
Citalopram Hbr (Citalopram Hydrobromide) Brand 34 0 $419

Frequently asked questions

Auto-generated from federal data
What is Dr. Allen Chodock's medical specialty?
Dr. Allen Chodock practices Internal Medicine Physician in Greenwich, CT.
Where does Dr. Allen Chodock practice?
Dr. Allen Chodock practices at 124 Ritch Ave W # Aptb304, Greenwich, CT 068306956. Office phone: 2036812610.
What is Dr. Allen Chodock's NPI?
Dr. Allen Chodock's National Provider Identifier (NPI) is 1811928138, issued by NPPES.
What procedures does Dr. Allen Chodock commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.