Katherine Darling, DNP, APRN
NPI 1013960707 · Psychiatric/Mental Health Nurse Practitioner · Holyoke, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Darling, DNP, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Holyoke, MA (NPI 1013960707).
Provider details
- NPI number
- 1013960707
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 363LP0808X (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
192 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 93 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 86 | $66 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 13 | $97 |
Typical Medicare-allowed amounts for these services range $66–$100 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 31 | 20 |
| Risperidone | 20 | — |
| Aripiprazole | 18 | 11 |
| Oxcarbazepine | 15 | — |
| Lurasidone Hcl | 14 | — |
| Trazodone Hcl | 14 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$126 across 1 record (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
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2024-09-21
- Certified
- 2024-09-21
Frequently asked questions
- What is Katherine Darling's NPI number?
- Katherine Darling's National Provider Identifier (NPI) is 1013960707, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Darling's specialty?
- Katherine Darling is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Darling located?
- Katherine Darling's practice location on file with NPPES is 45 Lower Westfield Rd, Holyoke, MA 01040-2747.
- What is Katherine Darling's phone number?
- The practice phone number listed in the NPPES registry for Katherine Darling is (413) 315-4100.
- Does Katherine Darling accept Medicare?
- Katherine Darling is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Darling's NPI active?
- Yes — Katherine Darling's NPI (1013960707) is active in the NPPES registry as of the last update on 2024-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.