Doctor profile · Federal record
Dr. John Gemery
Vascular & Interventional Radiology Physician (CMS: Interventional Radiology) · Lebanon, NH
- NPI 1811921836
- Accepts Medicare
- MIPS 69.4 / 100 · 2023
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Medical Center Dr, Department of Radiology
Lebanon, NH 037561000
(603) 650-7230
fax (603) 650-5455
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 19, 2011
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 2085R0204X — NUCC code
- State license (1)
- New Hampshire #10387
- Medicaid (2)
- VT #0RE4934 · NH #30011609
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811921836. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
528
Distinct HCPCS
10
Medicare allowed
$38,187
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 170 | 161 | $12 | |
77001 |
Fluoroscopic guidance for insertion or removal of central vein access device | 42 | 41 | $17 | |
76937 |
Ultrasonic guidance for blood vessel access | 35 | 35 | $14 | |
77012 |
Review by radiologist of ct guidance for needle placement | 27 | 27 | $71 | |
76942 |
Ultrasonic guidance for needle placement | 26 | 26 | $31 | |
76080 |
Review by radiologist of abscess or sinus cavity study | 25 | 23 | $24 | |
49424 |
Injection of contrast through abdominal cavity tube for x-ray study | 24 | 22 | $34 | |
36561 |
Insertion of central venous tube with port (5 years or older) | 23 | 23 | $319 | |
49083 |
Drainage of fluid from abdominal cavity using imaging guidance | 22 | 15 | $99 | |
32408 |
Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | 21 | 21 | $152 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 68. This provider delivers 7.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. John Gemery's medical specialty?
Dr. John Gemery practices Vascular & Interventional Radiology Physician in Lebanon, NH.
Where does Dr. John Gemery practice?
Dr. John Gemery practices at 1 Medical Center Dr, Lebanon, NH 037561000. Office phone: 6036507230.
What is Dr. John Gemery's NPI?
Dr. John Gemery's National Provider Identifier (NPI) is 1811921836, issued by NPPES.
Does Dr. John Gemery accept Medicare assignment?
Yes. Dr. John Gemery accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Gemery commonly perform?
Top Medicare-reported procedures in 2023: Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152); Fluoroscopic guidance for insertion or removal of central vein access device (HCPCS 77001); Ultrasonic guidance for blood vessel access (HCPCS 76937). Source: CMS Medicare Physician & Other Practitioners file.