Doctor profile · Federal record

Dr. Roger Karlin, MD

Internal Medicine Physician (CMS: Internal Medicine) · Allergy & Immunology Physician · New Fairfield, CT

  • NPI 1700894177
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
88 Route 37
New Fairfield, CT 06812
(203) 746-2436
fax (203) 746-3205

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 11, 2010
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #19394

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700894177. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,825
Distinct HCPCS
10
Medicare allowed
$140,564
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 559 177 $135
36415 Insertion of needle into vein for collection of blood sample 314 167 $8
94010 Test to measure expiratory airflow and volume 297 123 $29
99215 Established patient office or other outpatient visit, 40-54 minutes 140 125 $188
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 134 121 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 126 83 $90
81003 Automated urinalysis test 115 97 $2
76705 Limited ultrasound scan of abdomen 92 92 $96
99204 New patient office or other outpatient visit, 45-59 minutes 28 28 $176
G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous 20 20 $18

In context: peer comparison

Among 1 peers in this city , average services per provider: 182. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$733
Transactions
33
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 11 $244.64
Novo Nordisk Inc 5 $120.00
ABBVIE INC. 5 $103.38
PFIZER INC. 3 $73.28
Bayer Healthcare Pharmaceuticals Inc. 3 $59.19
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $51.59
Esperion Therapeutics, Inc. 2 $42.88
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $23.08
GlaxoSmithKline, LLC. 1 $14.46

By nature of payment

Food and Beverage
$733

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,676
Patients
741
Total drug cost
$73,221
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 408 98 $2,547
Rosuvastatin Calcium Generic 352 83 $5,453
Levothyroxine Sodium Generic 320 72 $4,603
Atorvastatin Calcium Generic 253 74 $3,320
Metoprolol Succinate Generic 201 47 $3,275
Hydrochlorothiazide Generic 164 39 $770
Metformin Hcl Generic 155 36 $1,195
Ezetimibe Generic 136 36 $6,267
Tamsulosin Hcl Generic 130 31 $1,739
Arexvy (Rsvpref3 Antigen/As01e/Pf) Brand 108 108 $34,336

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Roger Karlin's medical specialty?
Dr. Roger Karlin practices Internal Medicine Physician in New Fairfield, CT.
Where does Dr. Roger Karlin practice?
Dr. Roger Karlin practices at 88 Route 37, New Fairfield, CT 06812. Office phone: 2037462436.
What is Dr. Roger Karlin's NPI?
Dr. Roger Karlin's National Provider Identifier (NPI) is 1700894177, issued by NPPES.
Does Dr. Roger Karlin accept Medicare assignment?
Yes. Dr. Roger Karlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roger Karlin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Test to measure expiratory airflow and volume (HCPCS 94010). Source: CMS Medicare Physician & Other Practitioners file.