Doctor profile · Federal record

Dr. Inessa Khaykis, M.D.

Internal Medicine Physician (CMS: Gastroenterology) · New York, NY

  • NPI 1821204686
  • MIPS 75.0 / 100 · 2023
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
232 E 30Th St
New York, NY 100168202
(212) 889-5544
Mailing address
316 E 30Th St, 2Nd Floor
New York, NY 100168366

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
March 1, 2010
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #223780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821204686. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,810
Distinct HCPCS
10
Medicare allowed
$221,188
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 348 240 $147
99213 Established patient office or other outpatient visit, 20-29 minutes 304 233 $104
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 253 243 $100
99203 New patient office or other outpatient visit, 30-44 minutes 194 194 $131
99421 Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes 157 134 $17
36415 Insertion of needle into vein for collection of blood sample 156 119 $8
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 106 106 $293
45380 Biopsy of large bowel using a flexible endoscope 57 57 $151
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43 43 $258
45378 Diagnostic exam of large bowel using a flexible endoscope 43 43 $214

In context: peer comparison

Among 559 peers in this city , average services per provider: 137. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,196
Transactions
107
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Salix Pharmaceuticals, a division of Bausch Health US, LLC 37 $506.48
ABBVIE INC. 18 $357.48
Takeda Pharmaceuticals U.S.A., Inc. 21 $314.78
Lilly USA, LLC 4 $180.27
Novo Nordisk Inc 1 $122.44
Celgene Corporation 4 $98.64
PFIZER INC. 4 $97.94
Phathom Pharmaceuticals, Inc. 4 $93.92
IRONWOOD PHARMACEUTICALS, INC 4 $88.01
Janssen Biotech, Inc. 2 $60.14
GENZYME CORPORATION 2 $59.67
Regeneron Healthcare Solutions, Inc. 2 $51.71
QOL Medical, LLC 1 $39.14
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $34.09
VIVUS LLC 2 $32.68

By nature of payment

Food and Beverage
$2,196

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
958
Patients
371
Total drug cost
$446,588
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 297 93 $4,562
Omeprazole Generic 126 49 $2,078
Famotidine Generic 89 30 $1,816
Creon (Lipase/Protease/Amylase) Brand 76 19 $235,296
Linzess (Linaclotide) Brand 67 16 $59,967
Dexlansoprazole Dr (Dexlansoprazole) Brand 57 17 $22,302
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 54 54 $4,131
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 38 37 $6,725
Xifaxan (Rifaximin) Brand 34 17 $90,018
Esomeprazole Magnesium Generic 24 0 $3,100

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Inessa Khaykis's medical specialty?
Dr. Inessa Khaykis practices Internal Medicine Physician in New York, NY.
Where does Dr. Inessa Khaykis practice?
Dr. Inessa Khaykis practices at 232 E 30Th St, New York, NY 100168202. Office phone: 2128895544.
What is Dr. Inessa Khaykis's NPI?
Dr. Inessa Khaykis's National Provider Identifier (NPI) is 1821204686, issued by NPPES.
Does Dr. Inessa Khaykis accept Medicare assignment?
Dr. Inessa Khaykis does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Inessa Khaykis 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); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.