Doctor profile · Federal record

Dr. Sergey Rybalov, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Dover, NJ

  • NPI 1386670552
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
369 W Blackwell St
Dover, NJ 078012560
(973) 361-7660
fax (973) 361-0455

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New Jersey #25MA07049400
Medicaid
NJ #0074284

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386670552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,098
Distinct HCPCS
10
Medicare allowed
$136,189
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 290 187 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 190 164 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 148 86 $128
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 85 75 $140
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 74 54 $85
99203 New patient office or other outpatient visit, 30-44 minutes 73 73 $121
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 56 56 $123
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 50 50 $267
45380 Biopsy of large bowel using a flexible endoscope 45 45 $140
99204 New patient office or other outpatient visit, 45-59 minutes 27 27 $178

In context: peer comparison

Among 1 peers in this city , average services per provider: 78. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 1 $16.62

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
894
Patients
268
Total drug cost
$276,462
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 381 122 $8,198
Omeprazole Generic 116 40 $2,070
Famotidine Generic 68 23 $963
Mesalamine Generic 50 11 $37,819
Dicyclomine Hcl Generic 49 14 $1,817
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 36 36 $6,006
Creon (Lipase/Protease/Amylase) Brand 35 0 $159,088
Esomeprazole Magnesium Generic 32 11 $799
Linzess (Linaclotide) Brand 25 0 $33,560
Sucralfate Generic 21 11 $9,454

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sergey Rybalov's medical specialty?
Dr. Sergey Rybalov practices Gastroenterology Physician in Dover, NJ.
Where does Dr. Sergey Rybalov practice?
Dr. Sergey Rybalov practices at 369 W Blackwell St, Dover, NJ 078012560. Office phone: 9733617660.
What is Dr. Sergey Rybalov's NPI?
Dr. Sergey Rybalov's National Provider Identifier (NPI) is 1386670552, issued by NPPES.
Does Dr. Sergey Rybalov accept Medicare assignment?
Yes. Dr. Sergey Rybalov accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sergey Rybalov 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); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.