Gerardine Villanueva, MD
NPI 1477059335 · Emergency Medicine Physician · Alma, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerardine Villanueva, MD is a Emergency Medicine Physician provider in Alma, MI (NPI 1477059335).
Provider details
- NPI number
- 1477059335
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
464 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) |
|---|---|---|
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 214 | $69 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 149 | $119 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 38 | $177 |
| Emergency Department Visit With Straightforward Medical Decision Making99282 | 26 | $41 |
| Critical Care, First 30-74 Minutes99291 | 22 | $206 |
| Critical Care, Each Additional 30 Minutes99292 | 15 | $103 |
Typical Medicare-allowed amounts for these services range $41–$206 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 54 | 54 |
| Ondansetronbrand: Ondansetron Odt | 46 | 43 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 44 | 42 |
| Azithromycin | 36 | 35 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 26 |
| Prednisone | 25 | 25 |
| Cefpodoxime Proxetil |
Practice location
Mailing address
Additional practice locations (3)
- 36555 26 Mile Rd Ste 1100Lenox, MI 48048-3186Phone: (947) 523-4040
- 39000 7 Mile Rd Ste 1400Livonia, MI 48152-1006Phone: (947) 523-4310
- 4851 E Pickard St Ste 1000Mt Pleasant, MI 48858-2041Phone: (989) 956-9069
Registry dates
- Enumerated
- 2018-03-31
- Last updated
- 2022-07-22
- Certified
- 2022-07-22
Frequently asked questions
- What is Gerardine Villanueva's NPI number?
- Gerardine Villanueva's National Provider Identifier (NPI) is 1477059335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerardine Villanueva's specialty?
- Gerardine Villanueva is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gerardine Villanueva located?
- Gerardine Villanueva's practice location on file with NPPES is 300 E Warwick Dr, Alma, MI 48801-1014.
- What is Gerardine Villanueva's phone number?
- The practice phone number listed in the NPPES registry for Gerardine Villanueva is (989) 466-3228.
- Does Gerardine Villanueva accept Medicare?
- Gerardine Villanueva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerardine Villanueva's NPI active?
- Yes — Gerardine Villanueva's NPI (1477059335) is active in the NPPES registry as of the last update on 2022-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.