Christine Kadien, NP
NPI 1790450898 · Adult Health Nurse Practitioner · Riverhead, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christine Kadien, NP is a Adult Health Nurse Practitioner provider in Riverhead, NY (NPI 1790450898).
Provider details
- NPI number
- 1790450898
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 310315 (NY)
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
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,109 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 212 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $85 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 114 | $9 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 94 | $16 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 87 | $10 |
| Hemoglobin A1c Level83036 | 86 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 23 |
| Amlodipine Besylate | 54 | 20 |
| Azithromycin | 43 | 35 |
| Levothyroxine Sodium | 42 | 18 |
| Semaglutidebrand: Ozempic | 42 | — |
| Metformin Hcl | 40 | 16 |
| Albuterol Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$576 across 23 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 (3)
- 266 Middle Country RdCoram, NY 11727-4425Phone: (631) 698-1111Fax: (631) 698-1195
- 765 Route 25a Ste 6Miller Place, NY 11764-2649Phone: (631) 320-3200Fax: (631) 350-7798
- 1 E Roe BlvdPatchogue, NY 11772-2631Phone: (631) 475-3900Fax: (314) 755-1666
Registry dates
- Enumerated
- 2021-08-11
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Christine Kadien's NPI number?
- Christine Kadien's National Provider Identifier (NPI) is 1790450898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Kadien's specialty?
- Christine Kadien is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christine Kadien located?
- Christine Kadien's practice location on file with NPPES is 1228 E Main St Ste C, Riverhead, NY 11901-2677.
- What is Christine Kadien's phone number?
- The practice phone number listed in the NPPES registry for Christine Kadien is (631) 603-3400.
- Does Christine Kadien accept Medicare?
- Christine Kadien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christine Kadien's NPI active?
- Yes — Christine Kadien's NPI (1790450898) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.