Doctor profile · Federal record
Dr. Mary Karis, CRNP
Nurse Practitioner · Hummelstown, PA
- NPI 1790448355
- Accepts Medicare
- 5 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
300 E Main St
Hummelstown, PA 170361725
(717) 566-1100
fax (717) 566-0600 - Mailing address
-
7 Dock Hill RD
Middleburg, PA 178428910
Credentials & registration
- NPI registered
- October 2021 — 5 yrs on file
- Profile last updated
- December 17, 2024
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Pennsylvania #SP024534
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790448355. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
116
Distinct HCPCS
3
Medicare allowed
$8,134
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 54 | 49 | $74 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 31 | $104 | |
36415 |
Insertion of needle into vein for collection of blood sample | 24 | 21 | $8 |
In context: peer comparison
Among 3 peers in Hummelstown Nurse Practitioner, average services per provider: 84. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$393
Transactions
16
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 2 | $154.55 | |
| Novo Nordisk INC | 5 | $80.63 | |
| Pfizer INC. | 3 | $45.90 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $33.99 | |
| Abbvie INC. | 1 | $22.10 | |
| Lilly USA, LLC | 1 | $21.68 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $18.48 | |
| Phathom Pharmaceuticals, INC. | 1 | $15.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
873
Patients
411
Total drug cost
$13,178
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 105 | 37 | $1,553 |
| Lisinopril | Generic | 87 | 34 | $1,050 |
| Doxycycline Monohydrate | Generic | 79 | 67 | $712 |
| Amlodipine Besylate | Generic | 72 | 27 | $361 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 63 | 44 | $1,781 |
| Prednisone | Generic | 63 | 48 | $126 |
| Rosuvastatin Calcium | Generic | 60 | 23 | $1,224 |
| Losartan Potassium | Generic | 51 | 18 | $773 |
| Metoprolol Succinate | Generic | 50 | 22 | $1,342 |
| Montelukast Sodium | Generic | 50 | 20 | $1,310 |
Frequently asked questions
What is Dr. Mary Karis's medical specialty?
Dr. Mary Karis practices Nurse Practitioner in Hummelstown, PA.
Where does Dr. Mary Karis practice?
Dr. Mary Karis practices at 300 E Main St, Hummelstown, PA 170361725. Office phone: 7175661100.
What is Dr. Mary Karis's NPI?
Dr. Mary Karis's National Provider Identifier (NPI) is 1790448355, issued by NPPES.
Does Dr. Mary Karis accept Medicare assignment?
Yes. Dr. Mary Karis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Karis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.