Larien Bieber, MD
NPI 1972541860 · Internal Medicine Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larien Bieber, MD is a Internal Medicine Physician provider in Lancaster, PA (NPI 1972541860).
Provider details
- NPI number
- 1972541860
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- MD015621E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,589 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 | 489 | $121 |
| 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 | 338 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 264 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $84 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 140 | $11 |
| Administration of Pneumococcal Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 753 | 196 |
| Levothyroxine Sodium | 316 | 75 |
| Lisinopril | 313 | 81 |
| Omeprazole | 306 | 91 |
| Losartan Potassium | 240 | 61 |
| Hydrochlorothiazide | 238 | 67 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Larien Bieber's NPI number?
- Larien Bieber's National Provider Identifier (NPI) is 1972541860, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larien Bieber's specialty?
- Larien Bieber is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Larien Bieber located?
- Larien Bieber's practice location on file with NPPES is 2301 Columbia Ave, Lancaster, PA 17603-4154.
- What is Larien Bieber's phone number?
- The practice phone number listed in the NPPES registry for Larien Bieber is (717) 397-2738.
- Does Larien Bieber accept Medicare?
- Larien Bieber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larien Bieber's NPI active?
- Yes — Larien Bieber's NPI (1972541860) 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.