Guruprasad Naik, MD
NPI 1508966813 · Cardiovascular Disease Physician · Marshfield, WI
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guruprasad Naik, MD is a Cardiovascular Disease Physician provider in Marshfield, WI (NPI 1508966813).
Provider details
- NPI number
- 1508966813
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 45969-20 (WI)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
895 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 375 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 108 | $64 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 61 | $11 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $91 |
| Insertion of Tube in Left Lower Heart Chamber and Coronary Artery for Diagnosis With Review By Radiologist93458 | 40 | $223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 73 | 21 |
| Metoprolol Succinate | 66 | 29 |
| Amlodipine Besylate | 39 | 17 |
| Atorvastatin Calcium | 36 | 17 |
| Rosuvastatin Calcium | 36 | — |
| Lisinopril | 29 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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)
- 2727 Plaza DrWausau, WI 54401-4129Phone: (715) 847-3000
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2020-10-16
- Certified
- 2020-10-16
Frequently asked questions
- What is Guruprasad Naik's NPI number?
- Guruprasad Naik's National Provider Identifier (NPI) is 1508966813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guruprasad Naik's specialty?
- Guruprasad Naik is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Guruprasad Naik located?
- Guruprasad Naik's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449-5703.
- What is Guruprasad Naik's phone number?
- The practice phone number listed in the NPPES registry for Guruprasad Naik is (715) 387-5511.
- Does Guruprasad Naik accept Medicare?
- Guruprasad Naik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guruprasad Naik's NPI active?
- Yes — Guruprasad Naik's NPI (1508966813) is active in the NPPES registry as of the last update on 2020-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.