Teodoro Nissen, M.D.
NPI 1699791053 · Orthopaedic Surgery Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Teodoro Nissen, M.D. is a Orthopaedic Surgery Physician provider in Vallejo, CA (NPI 1699791053).
Provider details
- NPI number
- 1699791053
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A77901 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
490 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) |
|---|---|---|
| X-Ray of Knee, 4 Or More Views73564 | 124 | $54 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $99 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 65 | $41 |
| X-Ray of Knee, 3 Views73562 | 63 | $49 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 40 | $120 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 36 | $75 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 3 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
- 2006-07-15
- Last updated
- 2025-03-27
- Certified
- 2025-03-27
Frequently asked questions
- What is Teodoro Nissen's NPI number?
- Teodoro Nissen's National Provider Identifier (NPI) is 1699791053, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Teodoro Nissen's specialty?
- Teodoro Nissen is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Teodoro Nissen located?
- Teodoro Nissen's practice location on file with NPPES is 1460 N Camino Alto Ste 201, Vallejo, CA 94589-2567.
- What is Teodoro Nissen's phone number?
- The practice phone number listed in the NPPES registry for Teodoro Nissen is (707) 645-7210.
- Does Teodoro Nissen accept Medicare?
- Teodoro Nissen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Teodoro Nissen's NPI active?
- Yes — Teodoro Nissen's NPI (1699791053) is active in the NPPES registry as of the last update on 2025-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.