Lian Bach, D.O.
NPI 1144490962 · Family Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lian Bach, D.O. is a Family Medicine Physician provider in Santa Ana, CA (NPI 1144490962).
Provider details
- NPI number
- 1144490962
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A10289 (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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
153 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 81 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $99 |
| X-Ray of Chest, 2 Views71046 | 16 | $27 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $141 |
Typical Medicare-allowed amounts for these services range $27–$141 (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 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 162 | 46 |
| Losartan Potassium | 109 | 30 |
| Levothyroxine Sodium | 102 | 24 |
| Rosuvastatin Calcium | 84 | 26 |
| Alendronate Sodium | 83 | 21 |
| Metformin Hcl | 83 | 24 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$274 across 15 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)
- 3291 Loma Vista RdVentura, CA 93003-3099Phone: (805) 652-6228
Registry dates
- Enumerated
- 2008-03-07
- Last updated
- 2021-10-15
- Certified
- 2021-10-15
Frequently asked questions
- What is Lian Bach's NPI number?
- Lian Bach's National Provider Identifier (NPI) is 1144490962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lian Bach's specialty?
- Lian Bach is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lian Bach located?
- Lian Bach's practice location on file with NPPES is 2212 E 4th St, Santa Ana, CA 92705.
- What is Lian Bach's phone number?
- The practice phone number listed in the NPPES registry for Lian Bach is (714) 288-3230.
- Does Lian Bach accept Medicare?
- Lian Bach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lian Bach's NPI active?
- Yes — Lian Bach's NPI (1144490962) is active in the NPPES registry as of the last update on 2021-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.