NPPES file of Aug 9, 2026

Larien George Bieber, MD

Internal Medicine Physician · Lancaster, PA

Larien George Bieber, MD is an internal medicine physician with a practice address in Lancaster, Pennsylvania, and NPI 1972541860, issued on Jun 3, 2006. Check the license (Pennsylvania MD015621E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972541860
Name
Larien George Bieber
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD015621E PA
Self-reported in NPPES; status is on the state search
Practice location
2301 Columbia Ave, Lancaster, PA 17603
Phone
(717) 397-2738
Enumerated
Jun 3, 2006
Record last updated
Jul 13, 2026
Medicaid ID
0629576 PA
Medicare enrollment
Enrolled (PECOS I20100203000252); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 1971
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2301 Columbia Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Crabtree, FNPFamily Nurse Practitioner1285187443
  2. Pamela Currie, CRNPNurse Practitioner1245271394
  3. Marilyn D'Andrea-Spica, MDInternal Medicine Physician1407898307
  4. Swapna Deshpande, MDInternal Medicine Physician1689616583
  5. Philip Jantzi, MDInternal Medicine Physician1912945627
  6. Susan Juliano, CRNPNurse Practitioner1558302687

Verify Larien George Bieber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD015621E
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

9,148 Medicare Part D claims for 678 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 212 claims were for opioids.

  1. Larien Bieber9,148
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium753 claims
  2. Levothyroxine Sodium316 claims
  3. Lisinopril313 claims
  4. Omeprazole306 claims
  5. Losartan Potassium240 claims
  6. Hydrochlorothiazide238 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 71.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score46.1
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Penn State Health Medical Group LLCHershey, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Larien George Bieber among 7,300 internal medicine physician records in Pennsylvania

Larien George Bieber, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1971 · median 2008 among the 4,208 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

91 internal medicine physician records list a practice address in Lancaster

They are 91 of the 5,378 NPPES records with a practice address in Lancaster, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marilyn D'Andrea-Spica, MDLancaster, PA 176031407898307
  2. Swapna Deshpande, MDLancaster, PA 176031689616583
  3. Arif Hafiz, MDLancaster, PA 176031366442022
  4. Kamini Jagdish, MDLancaster, PA 176031891758504
  5. Philip Jantzi, MDLancaster, PA 176031912945627
  6. Anthony Lacorte, MDLancaster, PA 176031104889963
  7. Dale Lent, DOLancaster, PA 176031225076995
  8. Robert Martin, MDLancaster, PA 176031114921186

Common questions

What is Larien George Bieber, MD's NPI number?

Larien George Bieber, MD's National Provider Identifier (NPI) is 1972541860, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Larien George Bieber, MD located?

The NPPES record lists a practice address at 2301 Columbia Ave, Lancaster, PA, 17603. Phone: (717) 397-2738. Providers update this record themselves, so call before visiting.

How can I verify Larien George Bieber, MD's license?

NPPES lists Pennsylvania license number MD015621E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Larien George Bieber, MD prescribe under Medicare Part D?

In 2024, Larien George Bieber, MD had 9,148 Medicare Part D claims for 678 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Larien George Bieber, MD's MIPS final score?

The 2023 MIPS final score is 71.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.