Doctor profile · Federal record
Dr. Olivia Slezik, NP
Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Worcester, MA
- NPI 1891378733
- Accepts Medicare
- 6 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
486 Chandler St
Worcester, MA 016022861
(508) 929-8875
fax (508) 929-8075
Credentials & registration
- NPI registered
- April 2021 — 5 yrs on file
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363LP2300X — NUCC code
- State license (1)
- Massachusetts #RN2327857
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891378733. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,172
Distinct HCPCS
10
Medicare allowed
$50,174
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 241 | 211 | $75 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 187 | 139 | $89 | |
36415 |
Insertion of needle into vein for collection of blood sample | 150 | 111 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 63 | 59 | $10 | |
81003 |
Automated urinalysis test | 46 | 43 | $2 | |
85027 |
Complete blood cell count (red cells, white blood cell, platelets), automated test | 45 | 41 | $6 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 39 | 35 | $8 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 38 | 36 | $16 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 35 | 35 | $13 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 33 | 33 | $63 |
In context: peer comparison
Among 2 peers in Worcester Primary Care Nurse Practitioner, average services per provider: 61. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
359
Patients
97
Total drug cost
$16,333
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 35 | 17 | $392 |
| Rosuvastatin Calcium | Generic | 33 | 16 | $1,231 |
| Levothyroxine Sodium | Generic | 27 | 11 | $411 |
| Lisinopril | Generic | 26 | 11 | $282 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 25 | 0 | $352 |
| Fluoxetine Hcl | Generic | 25 | 0 | $202 |
| Atorvastatin Calcium | Generic | 24 | 0 | $209 |
| Losartan Potassium | Generic | 24 | 11 | $613 |
| Gabapentin | Generic | 23 | 0 | $254 |
| Trazodone Hcl | Generic | 21 | 0 | $129 |
Hospital affiliations
Frequently asked questions
What is Dr. Olivia Slezik's medical specialty?
Dr. Olivia Slezik practices Primary Care Nurse Practitioner in Worcester, MA.
Where does Dr. Olivia Slezik practice?
Dr. Olivia Slezik practices at 486 Chandler St, Worcester, MA 016022861. Office phone: 5089298875.
What is Dr. Olivia Slezik's NPI?
Dr. Olivia Slezik's National Provider Identifier (NPI) is 1891378733, issued by NPPES.
Does Dr. Olivia Slezik accept Medicare assignment?
Yes. Dr. Olivia Slezik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olivia Slezik 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.