Karen Anderson, APRN
NPI 1376589713 · Adult Psychiatric/Mental Health Clinical Nurse Specialist · Westborough, MA
Enrolled with Medicare as Practitioner - Certified Clinical Nurse Specialist (cns) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Anderson, APRN is a Adult Psychiatric/Mental Health Clinical Nurse Specialist provider in Westborough, MA (NPI 1376589713).
Provider details
- NPI number
- 1376589713
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 177047 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
322 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $57 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 151 | $54 |
Typical Medicare-allowed amounts for these services range $54–$57 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 64 | 17 |
| Duloxetine Hcl | 49 | 14 |
| Lamotrigine | 39 | — |
| Quetiapine Fumarate | 35 | — |
| Escitalopram Oxalate | 34 | — |
| Buspirone Hcl | 30 | — |
| Trazodone Hcl | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Karen Anderson's NPI number?
- Karen Anderson's National Provider Identifier (NPI) is 1376589713, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Anderson's specialty?
- Karen Anderson is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Anderson located?
- Karen Anderson's practice location on file with NPPES is 45 Lyman St, Westborough, MA 01581-2628.
- What is Karen Anderson's phone number?
- The practice phone number listed in the NPPES registry for Karen Anderson is (508) 366-2271.
- Does Karen Anderson accept Medicare?
- Karen Anderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Anderson's NPI active?
- Yes — Karen Anderson's NPI (1376589713) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.