Doctor profile · Federal record
Dr. John Zapas, M.D.
Surgery Physician (CMS: General Surgery) · Surgery Physician · Frederick, MD
- NPI 1487613022
- Accepts Medicare
- MIPS 80.3 / 100 · 2023
- 35 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 6 locations .
- Primary practice
-
501 W 7Th St
Frederick, MD 217014586
(301) 663-9573 - Additional location
-
18941 John J Williams Hwy
Rehoboth Beach, DE 199714404
(302) 703-3630
fax (302) 645-8473 - Additional location
-
19161 Healthy Way
Rehoboth Beach, DE 199714491
(302) 703-3630
fax (302) 645-8473 - Additional location
-
33672 Bayview Medical Dr Fl 1
Lewes, DE 199581687
(302) 703-3630
fax (302) 645-8473 - Additional location
-
424 Savannah RD
Lewes, DE 199581462
(302) 703-3630
fax (302) 645-8473 - Additional location
-
7211 Bank CT, Suite 200
Frederick, MD 217038483
(240) 575-2526 - Mailing address
-
1515 Savannah RD
Lewes, DE 199581675
Show 3 more locations
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- June 10, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State licenses (2)
- Delaware #C1-0028199 · Maryland #D0044227
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487613022. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
255
Distinct HCPCS
10
Medicare allowed
$42,911
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99204 |
New patient office or other outpatient visit, 45-59 minutes | 59 | 59 | $168 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 47 | 47 | $115 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 36 | $131 | |
49650 |
Repair of groin hernia using an endoscope | 23 | 23 | $464 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 16 | $183 | |
36561 |
Insertion of central venous tube with port (5 years or older) | 15 | 15 | $338 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 14 | 14 | $58 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 14 | $133 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 14 | 11 | $51 | |
77001 |
Fluoroscopic guidance for insertion or removal of central vein access device | 13 | 13 | $18 |
In context: peer comparison
Among 10 peers in Frederick Surgery Physician, average services per provider: 36. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$404
Transactions
12
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Intuitive Surgical, INC. | 7 | $216.15 | |
| Davol INC. | 1 | $91.60 | |
| Medtronic, INC. | 1 | $33.79 | |
| Pacira Pharmaceuticals Incorporated | 1 | $31.96 | |
| Ethicon US, LLC | 2 | $30.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
40
Total drug cost
$109
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 42 | 40 | $109 |
Hospital affiliations
Frequently asked questions
What is Dr. John Zapas's medical specialty?
Dr. John Zapas practices Surgery Physician in Frederick, MD.
Where does Dr. John Zapas practice?
Dr. John Zapas practices at 501 W 7Th St, Frederick, MD 217014586. Office phone: 3016639573.
What is Dr. John Zapas's NPI?
Dr. John Zapas's National Provider Identifier (NPI) is 1487613022, issued by NPPES.
Does Dr. John Zapas accept Medicare assignment?
Yes. Dr. John Zapas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Zapas commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.