Theodore Armstrong, M.D.
NPI 1174765952 · Emergency Medicine Physician · Santa Maria, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Armstrong, M.D. is a Emergency Medicine Physician provider in Santa Maria, CA (NPI 1174765952).
Provider details
- NPI number
- 1174765952
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- 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 tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
742 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 355 | $177 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 285 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 85 | $123 |
| Critical Care, First 30-74 Minutes99291 | 17 | $218 |
Typical Medicare-allowed amounts for these services range $8–$218 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 19 | 19 |
| Prednisone | 16 | 15 |
| Cefdinir | 14 | 14 |
| Ondansetronbrand: Ondansetron Odt | 13 | 13 |
| Furosemide | 13 | 12 |
| Cephalexin | 11 | 11 |
| Cefuroxime Axetilbrand: Cefuroxime | 11 | 11 |
| Amoxicillin/Potassium Clav |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$191 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
Additional practice locations (1)
- 200 W Arbor DrDepartment of Emergency Medicine--Mc8819San Diego, CA 92103-9000Phone: (619) 543-6463
Registry dates
- Enumerated
- 2009-03-25
- Last updated
- 2019-09-26
Frequently asked questions
- What is Theodore Armstrong's NPI number?
- Theodore Armstrong's National Provider Identifier (NPI) is 1174765952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Armstrong's specialty?
- Theodore Armstrong is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Armstrong located?
- Theodore Armstrong's practice location on file with NPPES is 1102 E Clark Ave Ste 120a, Santa Maria, CA 93455-5175.
- What is Theodore Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Theodore Armstrong is (805) 332-8185.
- Does Theodore Armstrong accept Medicare?
- Theodore Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Armstrong's NPI active?
- Yes — Theodore Armstrong's NPI (1174765952) is active in the NPPES registry as of the last update on 2019-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.