Michael Nunag, D.O.
NPI 1588827729 · Internal Medicine Physician · Cudahy, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Nunag, D.O. is a Internal Medicine Physician provider in Cudahy, WI (NPI 1588827729).
Provider details
- NPI number
- 1588827729
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 55981 (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
17 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
1,122 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 | 406 | $119 |
| 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 | 305 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 119 | $120 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 71 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $85 |
| Blood Test, Clotting Time |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 144 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 786 | 197 |
| Amlodipine Besylate | 428 | 95 |
| Pantoprazole Sodium | 338 | 89 |
| Furosemide | 307 | 69 |
| Omeprazole | 281 | 78 |
| Levothyroxine Sodium | 277 | 59 |
| Gabapentin | 276 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2021-11-23
- Certified
- 2021-11-23
Frequently asked questions
- What is Michael Nunag's NPI number?
- Michael Nunag's National Provider Identifier (NPI) is 1588827729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Nunag's specialty?
- Michael Nunag is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Nunag located?
- Michael Nunag's practice location on file with NPPES is 5900 S Lake Dr, Cudahy, WI 53110-3171.
- What is Michael Nunag's phone number?
- The practice phone number listed in the NPPES registry for Michael Nunag is (414) 489-9050.
- Does Michael Nunag accept Medicare?
- Michael Nunag is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Nunag's NPI active?
- Yes — Michael Nunag's NPI (1588827729) is active in the NPPES registry as of the last update on 2021-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.