Anton Giger, DO
NPI 1689764003 · Family Medicine Physician · San Juan Capistrano, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anton Giger, DO is a Family Medicine Physician provider in San Juan Capistrano, CA (NPI 1689764003).
Provider details
- NPI number
- 1689764003
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036057391 (IL)
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 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
298 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 174 | $99 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 39 | $121 |
| Urinalysis, Manual Test81002 | 35 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $139 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 21 | $16 |
Typical Medicare-allowed amounts for these services range $3–$139 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 77 | 77 |
| Prednisone | 65 | 62 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 57 | 52 |
| Cephalexin | 56 | 52 |
| Azithromycin | 49 | 48 |
| Ciprofloxacin Hcl | 47 | 44 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 40 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$57 across 2 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
- 2006-10-14
- Last updated
- 2015-10-13
Frequently asked questions
- What is Anton Giger's NPI number?
- Anton Giger's National Provider Identifier (NPI) is 1689764003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anton Giger's specialty?
- Anton Giger is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anton Giger located?
- Anton Giger's practice location on file with NPPES is 31001 Rancho Viejo Rd., San Juan Capistrano, CA 92675-8703.
- What is Anton Giger's phone number?
- The practice phone number listed in the NPPES registry for Anton Giger is (949) 661-9611.
- Does Anton Giger accept Medicare?
- Anton Giger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anton Giger's NPI active?
- Yes — Anton Giger's NPI (1689764003) is active in the NPPES registry as of the last update on 2015-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.