Michael J Larock, MD - Medicare Hospitalist in Bryn Mawr, PA

Michael J Larock, MD is a medicare enrolled "Internal Medicine" physician in Bryn Mawr, Pennsylvania. He went to Eastern Virginia Medical School and graduated in 1991 and has 33 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Main Line Healthcare and his current practice location is 130 S Bryn Mawr Ave Ste H321, Bryn Mawr, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (484) 337-4097.

Michael J Larock is licensed to practice in Pennsylvania (license number MD051324L) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1639138829.

Contact Information

Michael J Larock, MD
130 S Bryn Mawr Ave Ste H321,
Bryn Mawr, PA 19010
(484) 337-4097
(484) 337-4082

Map and Direction




Physician's Profile

Full NameMichael J Larock
GenderMale
SpecialityHospitalist
Experience33 Years
Location130 S Bryn Mawr Ave Ste H321, Bryn Mawr, Pennsylvania
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Michael J Larock attended and graduated from Eastern Virginia Medical School in 1991
  NPI Data:
  • NPI Number: 1639138829
  • Provider Enumeration Date: 03/17/2006
  • Last Update Date: 06/29/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 0042314197
  • Enrollment ID: I20070329000022

Medical Identifiers

Medical identifiers for Michael J Larock such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639138829NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist MD051324L (Pennsylvania)Secondary
207R00000XInternal Medicine MD051324L (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Main Line Health Homecare & Hospice - HospiceRadnor, PAHospice
Bryn Mawr HospitalBryn mawr, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Main Line Healthcare1951215201887

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Michael J Larock allows following entities to bill medicare on his behalf.
Entity NameMain Line Healthcare
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922077643
PECOS PAC ID: 1951215201
Enrollment ID: O20040308000373

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Michael J Larock is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Michael J Larock, MD
130 S Bryn Mawr Ave Ste H321,
Bryn Mawr, PA 19010-3121

Ph: (484) 337-4097
Michael J Larock, MD
130 S Bryn Mawr Ave Ste H321,
Bryn Mawr, PA 19010

Ph: (484) 337-4097

Reviews and Comments


Internal Medicine Doctors in Bryn Mawr, PA

Dr. Sameer Gupta, MD, MPH
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Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Kellie Ann Matson, PA-C
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Medicare: Medicare Enrolled
Practice Location: 130 S Bryn Mawr Ave, Bryn Mawr, PA 19010
Phone: 484-337-3000    
John Steers, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-1165    Fax: 610-527-6611
Dr. Clarke U. Piatt, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Francis P. Day, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Robert R Atkins, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 825 Old Lancaster Rd, Suite 320, Bryn Mawr, PA 19010
Phone: 610-527-3800    Fax: 610-527-0334
Dr. Sophia Moldavsky, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 830 Old Lancaster Rd Ste 206, Bryn Mawr, PA 19010
Phone: 610-525-8110    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.