Daniel Otterson, MD
NPI 1093210973 · Internal Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Otterson, MD is a Internal Medicine Physician provider in Irvine, CA (NPI 1093210973).
Provider details
- NPI number
- 1093210973
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 178820 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
679 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 256 | $90 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 198 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $65 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $143 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 47 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 116 | 46 |
| Amlodipine Besylate | 52 | 21 |
| Rosuvastatin Calcium | 48 | 23 |
| Losartan Potassium | 46 | 17 |
| Levothyroxine Sodium | 39 | 17 |
| Lisinopril | 35 | 15 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-24
- Last updated
- 2023-03-21
- Certified
- 2022-07-13
Frequently asked questions
- What is Daniel Otterson's NPI number?
- Daniel Otterson's National Provider Identifier (NPI) is 1093210973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Otterson's specialty?
- Daniel Otterson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Otterson located?
- Daniel Otterson's practice location on file with NPPES is 1 Medical Plaza Drive, Irvine, CA 92697-4875.
- What is Daniel Otterson's phone number?
- The practice phone number listed in the NPPES registry for Daniel Otterson is (949) 824-8600.
- Does Daniel Otterson accept Medicare?
- Daniel Otterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Otterson's NPI active?
- Yes — Daniel Otterson's NPI (1093210973) is active in the NPPES registry as of the last update on 2023-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.