Kathleen Carstens, MD
NPI 1669736195 · Internal Medicine Physician · Warren, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Carstens, MD is a Internal Medicine Physician provider in Warren, NJ (NPI 1669736195).
Provider details
- NPI number
- 1669736195
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
570 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 209 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 176 | $140 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 86 | $142 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 54 | $16 |
| Administration of Influenza Virus VaccineG0008 | 18 | $34 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 121 | 51 |
| Fluticasone Propionate | 79 | 57 |
| Amlodipine Besylate | 79 | 34 |
| Rosuvastatin Calcium | 61 | 26 |
| Levothyroxine Sodium | 60 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 47 | 45 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$209 across 12 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)
- 10 Berton PlNutley, NJ 07110-5337Phone: (201) 317-4113
Registry dates
- Enumerated
- 2012-06-29
- Last updated
- 2022-12-02
- Certified
- 2022-12-02
Frequently asked questions
- What is Kathleen Carstens's NPI number?
- Kathleen Carstens's National Provider Identifier (NPI) is 1669736195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Carstens's specialty?
- Kathleen Carstens is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Carstens located?
- Kathleen Carstens's practice location on file with NPPES is 23 Mountain Blvd, Warren, NJ 07059-5837.
- What is Kathleen Carstens's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Carstens is (908) 598-7970.
- Does Kathleen Carstens accept Medicare?
- Kathleen Carstens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Carstens's NPI active?
- Yes — Kathleen Carstens's NPI (1669736195) is active in the NPPES registry as of the last update on 2022-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.