Natasa Ristivojevic
NPI 1245821222 · Psychiatric/Mental Health Nurse Practitioner · Lynn, MA
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natasa Ristivojevic is a Psychiatric/Mental Health Nurse Practitioner provider in Lynn, MA (NPI 1245821222).
Provider details
- NPI number
- 1245821222
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2317980 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
230 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 202 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $82 |
Typical Medicare-allowed amounts for these services range $82–$119 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 478 | 33 |
| Benztropine Mesylate | 252 | 35 |
| Olanzapine | 238 | 25 |
| Prazosin Hcl | 200 | 24 |
| Lorazepam | 193 | 24 |
| Lamotrigine | 154 | 21 |
| Clonidine Hcl | 145 | 16 |
| Trazodone Hcl | 143 | 22 |
Practice location
Mailing address
Additional practice locations (2)
- 234 Littleton Rd Ste 1bWestford, MA 01886-3530Phone: (617) 600-4506Fax: (617) 801-8029
- 10 Chestnut Dr Unit MBedford, NH 03110-5555Phone: (617) 600-4506Fax: (617) 801-8029
Registry dates
- Enumerated
- 2021-02-01
- Last updated
- 2022-12-13
- Certified
- 2022-12-09
Frequently asked questions
- What is Natasa Ristivojevic's NPI number?
- Natasa Ristivojevic's National Provider Identifier (NPI) is 1245821222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natasa Ristivojevic's specialty?
- Natasa Ristivojevic is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Natasa Ristivojevic located?
- Natasa Ristivojevic's practice location on file with NPPES is 95 Pleasant St, Lynn, MA 01901-1524.
- What is Natasa Ristivojevic's phone number?
- The practice phone number listed in the NPPES registry for Natasa Ristivojevic is (781) 581-4400.
- Does Natasa Ristivojevic accept Medicare?
- Natasa Ristivojevic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natasa Ristivojevic's NPI active?
- Yes — Natasa Ristivojevic's NPI (1245821222) is active in the NPPES registry as of the last update on 2022-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.