Nicholas Heezen, D.O.
NPI 1114227857 · Internal Medicine Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Heezen, D.O. is a Internal Medicine Physician provider in Green Bay, WI (NPI 1114227857).
Provider details
- NPI number
- 1114227857
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 57651 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,076 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) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 284 | $11 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 221 | $119 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 177 | $120 |
| Blood Test, Clotting Time85610 | 156 | $4 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 70 | $85 |
| Administration of Influenza Virus VaccineG0008 | 47 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 180 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,170 | 298 |
| Amlodipine Besylate | 712 | 187 |
| Losartan Potassium | 491 | 128 |
| Omeprazole | 481 | 111 |
| Rosuvastatin Calcium | 476 | 135 |
| Levothyroxine Sodium | 471 | 98 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-10-28
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is Nicholas Heezen's NPI number?
- Nicholas Heezen's National Provider Identifier (NPI) is 1114227857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Heezen's specialty?
- Nicholas Heezen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Heezen located?
- Nicholas Heezen's practice location on file with NPPES is 2253 W Mason St, Green Bay, WI 54303-4706.
- What is Nicholas Heezen's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Heezen is (920) 327-7300.
- Does Nicholas Heezen accept Medicare?
- Nicholas Heezen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Heezen's NPI active?
- Yes — Nicholas Heezen's NPI (1114227857) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.