Doctor profile · Federal record
Dr. Margaret Korzewski, NP
Nurse Practitioner · Sacramento, CA
- NPI 1699956359
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2335 Stockton Blvd
Sacramento, CA 958172201
(916) 734-3800
fax (916) 734-3801
Credentials & registration
- NPI registered
- November 2007 — 19 yrs on file
- Profile last updated
- December 7, 2025
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- California #18712
- Medicaid
- CA #363L00000X-NP
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699956359. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
486
Distinct HCPCS
3
Medicare allowed
$46,613
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 338 | 207 | $86 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 125 | 69 | $127 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 16 | $70 |
In context: peer comparison
Among 38 peers in Sacramento Nurse Practitioner, average services per provider: 81. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
274
Patients
84
Total drug cost
$21,348
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 89 | 29 | $1,410 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 52 | 21 | $1,112 |
| Gabapentin | Generic | 21 | 12 | $381 |
| Oxycodone Hcl | Generic | 19 | 11 | $100 |
| Rosuvastatin Calcium | Generic | 17 | 0 | $301 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 11 | $283 |
| Pantoprazole Sodium | Generic | 14 | 0 | $106 |
| Simvastatin | Generic | 13 | 0 | $260 |
| Eliquis (Apixaban) | Brand | 12 | 0 | $7,271 |
| Xarelto (Rivaroxaban) | Brand | 12 | 0 | $10,085 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret Korzewski's medical specialty?
Dr. Margaret Korzewski practices Nurse Practitioner in Sacramento, CA.
Where does Dr. Margaret Korzewski practice?
Dr. Margaret Korzewski practices at 2335 Stockton Blvd, Sacramento, CA 958172201. Office phone: 9167343800.
What is Dr. Margaret Korzewski's NPI?
Dr. Margaret Korzewski's National Provider Identifier (NPI) is 1699956359, issued by NPPES.
Does Dr. Margaret Korzewski accept Medicare assignment?
Yes. Dr. Margaret Korzewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Korzewski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.