Joann Marinkovich-Davidson, FNP-BC
NPI 1023356656 · Family Nurse Practitioner · Hobart, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joann Marinkovich-Davidson, FNP-BC is a Family Nurse Practitioner provider in Hobart, IN (NPI 1023356656).
Provider details
- NPI number
- 1023356656
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 71004356A (IN)
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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
375 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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 133 | $57 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 82 | $69 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 49 | $154 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $99 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 28 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 185 | 94 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 145 | 78 |
| Methylprednisolone | 32 | 30 |
| Tramadol Hcl | 27 | 23 |
| Oxycodone Hcl | 23 | — |
| Meloxicam | 20 | — |
| Ondansetron Hcl | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$126 across 5 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 (2)
- 1545 W US Highway 30Schererville, IN 46375-1562Phone: (219) 945-4488Fax: (219) 947-6015
- 3800 Saint Mary Rd Ste 101Valparaiso, IN 46383-3986Phone: (219) 945-4488Fax: (219) 947-6015
Registry dates
- Enumerated
- 2013-01-16
- Last updated
- 2024-01-08
- Certified
- 2024-01-08
Frequently asked questions
- What is Joann Marinkovich-Davidson's NPI number?
- Joann Marinkovich-Davidson's National Provider Identifier (NPI) is 1023356656, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joann Marinkovich-Davidson's specialty?
- Joann Marinkovich-Davidson is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joann Marinkovich-Davidson located?
- Joann Marinkovich-Davidson's practice location on file with NPPES is 1500 S Lake Park Ave Sp402, Hobart, IN 46342-6638.
- What is Joann Marinkovich-Davidson's phone number?
- The practice phone number listed in the NPPES registry for Joann Marinkovich-Davidson is (219) 945-4488.
- Does Joann Marinkovich-Davidson accept Medicare?
- Joann Marinkovich-Davidson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joann Marinkovich-Davidson's NPI active?
- Yes — Joann Marinkovich-Davidson's NPI (1023356656) is active in the NPPES registry as of the last update on 2024-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.