Nina Karol, M.D.
NPI 1548286818 · Internal Medicine Physician · Westport, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nina Karol, M.D. is a Internal Medicine Physician provider in Westport, CT (NPI 1548286818).
Provider details
- NPI number
- 1548286818
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 224111 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
561 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 | 124 | $134 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 105 | $9 |
| Advance Care Planning, First 30 Minutes99497 | 74 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 65 | $136 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 65 | $20 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 |
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 |
|---|---|---|
| Levothyroxine Sodium | 102 | 25 |
| Rosuvastatin Calcium | 96 | 25 |
| Atorvastatin Calcium | 93 | 25 |
| Semaglutidebrand: Ozempic | 46 | — |
| Tramadol Hcl | 44 | — |
| Escitalopram Oxalate | 43 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$136 across 6 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
- 2006-07-13
- Last updated
- 2022-07-11
- Certified
- 2022-07-11
Frequently asked questions
- What is Nina Karol's NPI number?
- Nina Karol's National Provider Identifier (NPI) is 1548286818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nina Karol's specialty?
- Nina Karol is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nina Karol located?
- Nina Karol's practice location on file with NPPES is 333 Post Road West, Westport, CT 06880.
- What is Nina Karol's phone number?
- The practice phone number listed in the NPPES registry for Nina Karol is (203) 571-3000.
- Does Nina Karol accept Medicare?
- Nina Karol is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nina Karol's NPI active?
- Yes — Nina Karol's NPI (1548286818) is active in the NPPES registry as of the last update on 2022-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.