Catherine Mary Gruer, MD - Medicare Internal Medicine in Allentown, PA

Catherine Mary Gruer, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Allentown, Pennsylvania. Her current practice location is 17th & Chew Street, Allentown, Pennsylvania. You can reach out to her office (for appointments etc.) via phone at (610) 969-3390.

Catherine Mary Gruer is licensed to practice in Pennsylvania (license number MD054780L) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1245229897.

Contact Information

Catherine Mary Gruer, MD
17th & Chew Street,
Allentown, PA 18105-7017
(610) 969-3390
(610) 969-3393

Map and Direction




Physician's Profile

Full NameCatherine Mary Gruer
GenderFemale
SpecialityInternal Medicine - Geriatric Medicine
Location17th & Chew Street, Allentown, Pennsylvania
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1245229897
  • Provider Enumeration Date: 10/17/2005
  • Last Update Date: 03/30/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 5799744876
  • Enrollment ID: I20041102000774

Medical Identifiers

Medical identifiers for Catherine Mary Gruer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245229897NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0300XInternal Medicine - Geriatric Medicine MD054780L (Pennsylvania)Primary

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. Catherine Mary Gruer allows following entities to bill medicare on her behalf.
Entity NameLehigh Valley Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457309650
PECOS PAC ID: 3072425123
Enrollment ID: O20040227000335

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. Catherine Mary Gruer 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
Catherine Mary Gruer, MD
Po Box 783311,
Philadelphia, PA 19178-3311

Ph: (484) 884-4500
Catherine Mary Gruer, MD
17th & Chew Street,
Allentown, PA 18105-7017

Ph: (610) 969-3390

Reviews and Comments


Internal Medicine Doctors in Allentown, PA

Jessica Mary Boehmler, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1250 S Cedar Crest Blvd, Suite 205, Allentown, PA 18103
Phone: 610-439-8856    Fax: 610-439-8856
Muhammad Majeed, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1200 S Cedar Crest Blvd, Allentown, PA 18103
Phone: 610-402-5369    
Allison Jane Baragona, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1501 N Cedar Crest Blvd Ste 110, Allentown, PA 18104
Phone: 610-821-2828    Fax: 610-821-7915
James A Burke, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1250 S Cedar Crest Blvd, Suite 300, Allentown, PA 18103
Phone: 610-402-3110    Fax: 610-402-3112
Stephen R Shore, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1901 Hamilton St Ste 300, Allentown, PA 18104
Phone: 610-628-7900    Fax: 833-816-7513
Tarika Sejal Chowdhary, MD
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 17th & Chew, Suite 101, Allentown, PA 18105
Phone: 610-969-4370    
Ashley Vojtek, DO
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1200 S Cedar Crest Blvd, Allentown, PA 18103
Phone: 484-862-3200    

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.