Theodore Nelson, D.O.
NPI 1740636455 · Family Medicine Physician · Mission Hills, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Nelson, D.O. is a Family Medicine Physician provider in Mission Hills, CA (NPI 1740636455).
Provider details
- NPI number
- 1740636455
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 39020000X (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 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
515 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 348 | $122 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 97 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 46 | $179 |
| Critical Care, First 30-74 Minutes99291 | 24 | $217 |
Typical Medicare-allowed amounts for these services range $119–$217 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 31 | 30 |
| Hydralazine Hcl | 28 | 24 |
| Apixabanbrand: Eliquis | 25 | 18 |
| Ondansetronbrand: Ondansetron Odt | 25 | 24 |
| Amlodipine Besylate | 21 | 18 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 20 | 16 |
| Furosemide | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$308 across 4 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
- 2016-05-11
- Last updated
- 2018-10-02
Frequently asked questions
- What is Theodore Nelson's NPI number?
- Theodore Nelson's National Provider Identifier (NPI) is 1740636455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Nelson's specialty?
- Theodore Nelson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Nelson located?
- Theodore Nelson's practice location on file with NPPES is 11333 Sepulveda Blvd, Mission Hills, CA 91345-1116.
- What is Theodore Nelson's phone number?
- The practice phone number listed in the NPPES registry for Theodore Nelson is (877) 634-3196.
- Does Theodore Nelson accept Medicare?
- Theodore Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Nelson's NPI active?
- Yes — Theodore Nelson's NPI (1740636455) is active in the NPPES registry as of the last update on 2018-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.