Karin Warden-Thomas, FNP-BC
NPI 1184916181 · Family Nurse Practitioner · Gary, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karin Warden-Thomas, FNP-BC is a Family Nurse Practitioner provider in Gary, IN (NPI 1184916181).
Provider details
- NPI number
- 1184916181
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209.008566 (IL)
Specialties & taxonomies
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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
80 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 80 | $86 |
Typical Medicare-allowed amounts for these services range $86–$86 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 97 | 44 |
| Nifedipinebrand: Nifedipine Er | 78 | 24 |
| Metformin Hcl | 46 | 19 |
| Amlodipine Besylate | 43 | 22 |
| Tamsulosin Hcl | 40 | 12 |
| Insulin Nph Hum/Reg Insulin Hmbrand: Novolin 70-30 | 39 | — |
| Enalapril Maleate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-09
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is Karin Warden-Thomas's NPI number?
- Karin Warden-Thomas's National Provider Identifier (NPI) is 1184916181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karin Warden-Thomas's specialty?
- Karin Warden-Thomas is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karin Warden-Thomas located?
- Karin Warden-Thomas's practice location on file with NPPES is 3535 Broadway, Gary, IN 46409-1316.
- What is Karin Warden-Thomas's phone number?
- The practice phone number listed in the NPPES registry for Karin Warden-Thomas is (219) 884-4900.
- Does Karin Warden-Thomas accept Medicare?
- Karin Warden-Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karin Warden-Thomas's NPI active?
- Yes — Karin Warden-Thomas's NPI (1184916181) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.