Carol Markowitz, NP
NPI 1871674291 · Adult Health Nurse Practitioner · Hauppauge, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carol Markowitz, NP is a Adult Health Nurse Practitioner provider in Hauppauge, NY (NPI 1871674291).
Provider details
- NPI number
- 1871674291
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- F3044221 (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
19 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
649 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 221 | $61 |
| Advance Care Planning, First 30 Minutes99497 | 70 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 37 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 32 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 281 | 93 |
| Levothyroxine Sodium | 242 | 63 |
| Amlodipine Besylate | 227 | 68 |
| Alprazolam | 197 | 58 |
| Losartan Potassium | 149 | 46 |
| Zolpidem Tartrate | 142 | 19 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$485 across 22 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
Registry dates
- Enumerated
- 2006-10-19
- Last updated
- 2012-08-23
Frequently asked questions
- What is Carol Markowitz's NPI number?
- Carol Markowitz's National Provider Identifier (NPI) is 1871674291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Markowitz's specialty?
- Carol Markowitz is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carol Markowitz located?
- Carol Markowitz's practice location on file with NPPES is 1 Kings Hwy, Hauppauge, NY 11788-4216.
- What is Carol Markowitz's phone number?
- The practice phone number listed in the NPPES registry for Carol Markowitz is (631) 348-4900.
- Does Carol Markowitz accept Medicare?
- Carol Markowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carol Markowitz's NPI active?
- Yes — Carol Markowitz's NPI (1871674291) is active in the NPPES registry as of the last update on 2012-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.