Stephan Zmugg, M.D.
NPI 1396030680 · Orthopaedic Surgery Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephan Zmugg, M.D. is a Orthopaedic Surgery Physician provider in Oakland, CA (NPI 1396030680).
Provider details
- NPI number
- 1396030680
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 288700 (NY)
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 tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,811 across 17 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
Additional practice locations (1)
- 535 E 70th StNew York, NY 10021-4823Phone: (212) 606-1000
Registry dates
- Enumerated
- 2011-06-14
- Last updated
- 2021-12-21
Frequently asked questions
- What is Stephan Zmugg's NPI number?
- Stephan Zmugg's National Provider Identifier (NPI) is 1396030680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephan Zmugg's specialty?
- Stephan Zmugg is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephan Zmugg located?
- Stephan Zmugg's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Stephan Zmugg's phone number?
- The practice phone number listed in the NPPES registry for Stephan Zmugg is (510) 752-1000.
- Does Stephan Zmugg accept Medicare?
- Stephan Zmugg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephan Zmugg's NPI active?
- Yes — Stephan Zmugg's NPI (1396030680) is active in the NPPES registry as of the last update on 2021-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.