Doctor profile · Federal record

Dr. John O'Brien, MD.

Family Medicine Physician (CMS: Family Practice) · Obstetrics Physician · Cazenoviz, NY

  • NPI 1013123579
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
132 1/2 Albany Street
Cazenoviz, NY 13035
(315) 655-8171
fax (315) 655-5923
Mailing address
5112 West Taft Road, Suite L
Liverpool, NY 13088

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
January 23, 2014
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New York #243461
Medicaid
NY #02889572

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013123579. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
441
Distinct HCPCS
10
Medicare allowed
$44,354
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 158 88 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 76 58 $87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 21 $76
99213 Established patient office or other outpatient visit, 20-29 minutes 42 39 $62
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $124
99214 Established patient office or other outpatient visit, 30-39 minutes 21 18 $92
G0008 Administration of influenza virus vaccine 14 14 $30
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $167
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 12 12 $283
G0009 Administration of pneumococcal vaccine 12 12 $30

In context: peer comparison

Among 3 peers in Cazenoviz Family Medicine Physician, average services per provider: 43. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,415
Patients
507
Total drug cost
$20,056
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 243 84 $3,404
Lisinopril Generic 169 52 $1,359
Levothyroxine Sodium Generic 126 43 $2,794
Losartan Potassium Generic 122 42 $2,299
Amlodipine Besylate Generic 98 35 $703
Metformin Hcl Generic 84 27 $1,183
Alprazolam Generic 78 24 $838
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 75 24 $2,070
Hydrochlorothiazide Generic 75 30 $350
Simvastatin Generic 75 23 $767

Frequently asked questions

Auto-generated from federal data
What is Dr. John O'Brien's medical specialty?
Dr. John O'Brien practices Family Medicine Physician in Cazenoviz, NY.
Where does Dr. John O'Brien practice?
Dr. John O'Brien practices at 132 1/2 Albany Street, Cazenoviz, NY 13035. Office phone: 3156558171.
What is Dr. John O'Brien's NPI?
Dr. John O'Brien's National Provider Identifier (NPI) is 1013123579, issued by NPPES.
Does Dr. John O'Brien accept Medicare assignment?
Yes. Dr. John O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John O'Brien 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 99232). Source: CMS Medicare Physician & Other Practitioners file.