Doctor profile · Federal record
Dr. Sierra Schaller-Mahl, CRNP
Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Family Medicine Physician · Johnstown, PA
- NPI 1649927005
- Accepts Medicare
- 5 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Hostetler RD
Johnstown, PA 159043111
(814) 240-3432
Credentials & registration
- NPI registered
- March 2022 — 4 yrs on file
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LP2300X — NUCC code
- State license (1)
- Pennsylvania #SP025431
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649927005. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
268
Distinct HCPCS
6
Medicare allowed
$24,129
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99497 |
Advance care planning, first 30 minutes | 68 | 63 | $62 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 36 | $98 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 44 | $142 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 37 | 30 | $65 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 36 | 35 | $107 | |
99498 |
Advance care planning, each additional 30 minutes | 19 | 18 | $58 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 47. This provider delivers 5.7× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Sierra Schaller-Mahl's medical specialty?
Dr. Sierra Schaller-Mahl practices Primary Care Nurse Practitioner in Johnstown, PA.
Where does Dr. Sierra Schaller-Mahl practice?
Dr. Sierra Schaller-Mahl practices at 100 Hostetler RD, Johnstown, PA 159043111. Office phone: 8142403432.
What is Dr. Sierra Schaller-Mahl's NPI?
Dr. Sierra Schaller-Mahl's National Provider Identifier (NPI) is 1649927005, issued by NPPES.
Does Dr. Sierra Schaller-Mahl accept Medicare assignment?
Yes. Dr. Sierra Schaller-Mahl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sierra Schaller-Mahl commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.