Karen Papavasiliou, APN
NPI 1407577638 · Psychiatric/Mental Health Nurse Practitioner · Hackensack, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Papavasiliou, APN is a Psychiatric/Mental Health Nurse Practitioner provider in Hackensack, NJ (NPI 1407577638).
Provider details
- NPI number
- 1407577638
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 26NJ01362700 (NJ)
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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,470 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 589 | $65 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 475 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 257 | $118 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 149 | $82 |
Typical Medicare-allowed amounts for these services range $65–$118 (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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 146 | 29 |
| Escitalopram Oxalate | 124 | 25 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 106 | 15 |
| Bupropion Hclbrand: Bupropion Xl | 83 | 20 |
| Sertraline Hcl | 75 | — |
| Buspirone Hcl | 49 | — |
| Duloxetine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 65 Harristown RdGlen Rock, NJ 07452-3315Phone: (201) 487-1240
Registry dates
- Enumerated
- 2022-09-06
- Last updated
- 2022-09-06
- Certified
- 2022-06-22
Frequently asked questions
- What is Karen Papavasiliou's NPI number?
- Karen Papavasiliou's National Provider Identifier (NPI) is 1407577638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Papavasiliou's specialty?
- Karen Papavasiliou is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Papavasiliou located?
- Karen Papavasiliou's practice location on file with NPPES is 211 Essex St, Hackensack, NJ 07601-3231.
- What is Karen Papavasiliou's phone number?
- The practice phone number listed in the NPPES registry for Karen Papavasiliou is (201) 487-1240.
- Does Karen Papavasiliou accept Medicare?
- Karen Papavasiliou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Papavasiliou's NPI active?
- Yes — Karen Papavasiliou's NPI (1407577638) is active in the NPPES registry as of the last update on 2022-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.