Doctor profile · Federal record
Dr. Samuel Stoyak, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Frederick, MD
- NPI 1588906994
- Accepts Medicare
- MIPS 80.3 / 100 · 2023
- 13 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 16 locations across 2 states.
- Primary practice
-
1562 Opossumtown Pike
Frederick, MD 217024920
(240) 215-6310 - Mailing address
-
400 W 7Th St
Frederick, MD 217014506
Maryland — 14 locations
- Additional location
-
1 Frederick Health Way
Frederick, MD 217019435 - Additional location
-
1194 Dutchmans Creek Dr
Brunswick, MD 217169786 - Additional location
-
141 Thomas Johnson Dr
Frederick, MD 217024502
(301) 846-0100 - Additional location
-
15 E Frederick St
Walkersville, MD 217938234 - Additional location
-
16403 Old Emmitsburg RD
Emmitsburg, MD 217278929 - Additional location
-
194 Thomas Johnson Dr
Frederick, MD 217024679 - Additional location
-
230 W Patrick St
Frederick, MD 217016945 - Additional location
-
3000D Ventrie CT
Myersville, MD 217737817 - Additional location
-
3430 Worthington Blvd
Frederick, MD 217047017 - Additional location
-
400 W 7Th St
Frederick, MD 217014506 - Additional location
-
501 W 7Th St
Frederick, MD 217014586 - Additional location
-
504 E Ridgeville Blvd
Mount Airy, MD 217715942 - Additional location
-
7211 Bank CT
Frederick, MD 217038483 - Additional location
-
75 Thomas Johnson Dr
Frederick, MD 217024895
Vermont — 1 location
- Additional location
-
111 Colchester Ave, Uvm Medical Center - Internal Medicine
Burlington, VT 054011473
(802) 847-2700
Credentials & registration
- NPI registered
- March 2013 — 13 yrs on file
- Profile last updated
- August 21, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Maryland #D97633 · Vermont #042.0013430
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588906994. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
512
Distinct HCPCS
9
Medicare allowed
$44,339
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 215 | 137 | $86 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 78 | 78 | $126 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 65 | 59 | $109 | |
36415 |
Insertion of needle into vein for collection of blood sample | 56 | 45 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 34 | 33 | $155 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 22 | 21 | $57 | |
99348 |
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 17 | 12 | $75 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 13 | 13 | $14 | |
87811 |
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 12 | 12 | $41 |
In context: peer comparison
Among 12 peers in Frederick Internal Medicine Physician, average services per provider: 139. This provider delivers 3.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,384
Patients
341
Total drug cost
$115,231
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 201 | 54 | $3,669 |
| Rosuvastatin Calcium | Generic | 164 | 49 | $7,666 |
| Levothyroxine Sodium | Generic | 132 | 34 | $2,893 |
| Amlodipine Besylate | Generic | 127 | 40 | $1,222 |
| Losartan Potassium | Generic | 124 | 37 | $2,700 |
| Tamsulosin Hcl | Generic | 80 | 18 | $1,765 |
| Omeprazole | Generic | 78 | 19 | $1,093 |
| Lisinopril | Generic | 77 | 20 | $592 |
| Eliquis (Apixaban) | Brand | 64 | 16 | $86,899 |
| Trazodone Hcl | Generic | 61 | 13 | $715 |
Hospital affiliations
Frequently asked questions
What is Dr. Samuel Stoyak's medical specialty?
Dr. Samuel Stoyak practices Internal Medicine Physician in Frederick, MD.
Where does Dr. Samuel Stoyak practice?
Dr. Samuel Stoyak practices at 1562 Opossumtown Pike, Frederick, MD 217024920. Office phone: 2402156310.
What is Dr. Samuel Stoyak's NPI?
Dr. Samuel Stoyak's National Provider Identifier (NPI) is 1588906994, issued by NPPES.
Does Dr. Samuel Stoyak accept Medicare assignment?
Yes. Dr. Samuel Stoyak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Stoyak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.