Doctor profile · Federal record
Dr. Nikolaos Zacharias, M.D.
Vascular Surgery Physician (CMS: Vascular Surgery) · Lebanon, NH
- NPI 1023251717
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1 Medical Center Dr, Vascular Surgery
Lebanon, NH 037561000
(603) 650-8677 - Additional location
-
10 Members Way Ste 301
Dover, NH 038205933
(603) 609-6685
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- January 27, 2026
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2086S0129X — NUCC code
- State license (1)
- New Hampshire #17544
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023251717. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,095
Distinct HCPCS
10
Medicare allowed
$68,972
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93923 |
Complete ultrasound study of arm and leg arteries | 186 | 173 | $22 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 181 | 152 | $133 | |
93970 |
Ultrasound study of arm or leg veins with compression and maneuvers | 99 | 94 | $34 | |
93880 |
Ultrasound of both sides of head and neck blood flow | 82 | 77 | $39 | |
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 67 | 66 | $22 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 55 | 51 | $92 | |
93926 |
Ultrasound of one leg arteries or artery grafts | 45 | 41 | $23 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 45 | 43 | $135 | |
93975 |
Complete ultrasound of abdomen and pelvis artery and vein blood flow | 40 | 39 | $58 | |
75710 |
Review by radiologist of arm or leg artery image | 27 | 25 | $85 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 43. This provider delivers 25× the peer median.Open Payments
Industry payments received
All-time total
$273
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inari Medical, Inc. | 1 | $235.20 | |
| Boston Scientific Corporation | 1 | $37.89 |
By nature of payment
Frequently asked questions
What is Dr. Nikolaos Zacharias's medical specialty?
Dr. Nikolaos Zacharias practices Vascular Surgery Physician in Lebanon, NH.
Where does Dr. Nikolaos Zacharias practice?
Dr. Nikolaos Zacharias practices at 1 Medical Center Dr, Lebanon, NH 037561000. Office phone: 6036508677.
What is Dr. Nikolaos Zacharias's NPI?
Dr. Nikolaos Zacharias's National Provider Identifier (NPI) is 1023251717, issued by NPPES.
Does Dr. Nikolaos Zacharias accept Medicare assignment?
Yes. Dr. Nikolaos Zacharias accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nikolaos Zacharias commonly perform?
Top Medicare-reported procedures in 2023: Complete ultrasound study of arm and leg arteries (HCPCS 93923); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970). Source: CMS Medicare Physician & Other Practitioners file.