Louis Bierman, D.O.
NPI 1669434205 · Family Medicine Physician · Langhorne, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Bierman, D.O. is a Family Medicine Physician provider in Langhorne, PA (NPI 1669434205).
Provider details
- NPI number
- 1669434205
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 0S003883L (PA)
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
20 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
503 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 | 188 | $93 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 122 | $133 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 81 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $131 |
| Advance Care Planning, First 30 Minutes99497 | 22 | $83 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 124 | 35 |
| Amlodipine Besylate | 110 | 36 |
| Rosuvastatin Calcium | 104 | 34 |
| Atorvastatin Calcium | 100 | 34 |
| Metoprolol Succinate | 67 | 26 |
| Levothyroxine Sodium | 65 | 24 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 7 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
- 2006-04-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Louis Bierman's NPI number?
- Louis Bierman's National Provider Identifier (NPI) is 1669434205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Bierman's specialty?
- Louis Bierman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Bierman located?
- Louis Bierman's practice location on file with NPPES is 1709 Langhorne Newtown Rd, Langhorne, PA 19047-1010.
- What is Louis Bierman's phone number?
- The practice phone number listed in the NPPES registry for Louis Bierman is (215) 968-1900.
- Does Louis Bierman accept Medicare?
- Louis Bierman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Bierman's NPI active?
- Yes — Louis Bierman's NPI (1669434205) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.