Stephen Serio, M.D.
NPI 1245525989 · Surgery Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Serio, M.D. is a Surgery Physician provider in Green Bay, WI (NPI 1245525989).
Provider details
- NPI number
- 1245525989
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 7365 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
664 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 91 | $125 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 68 | $163 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 58 | $20 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $88 |
| Ultrasound Study of Arm and Leg Arteries93922 | 45 | $11 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 44 |
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 |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 433 | 115 |
| Cilostazol | 146 | 46 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 76 | 60 |
| Gabapentin | 29 | 14 |
| Atorvastatin Calcium | 28 | 13 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$363 across 8 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
Registry dates
- Enumerated
- 2011-06-10
- Last updated
- 2024-01-16
- Certified
- 2024-01-16
Frequently asked questions
- What is Stephen Serio's NPI number?
- Stephen Serio's National Provider Identifier (NPI) is 1245525989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Serio's specialty?
- Stephen Serio is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Serio located?
- Stephen Serio's practice location on file with NPPES is 1821 S Webster Ave, Green Bay, WI 54301-2253.
- What is Stephen Serio's phone number?
- The practice phone number listed in the NPPES registry for Stephen Serio is (920) 496-4700.
- Does Stephen Serio accept Medicare?
- Stephen Serio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Serio's NPI active?
- Yes — Stephen Serio's NPI (1245525989) is active in the NPPES registry as of the last update on 2024-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.