Margaret Wacker, MD - Medicare Neurosurgery in Colton, CA

Margaret Wacker, MD is a medicare enrolled "Neurological Surgery" physician in Colton, California. She went to University Of Washington School Of Medicine and graduated in 1982 and has 42 years of diverse experience with area of expertise as Neurosurgery. She is a member of the group practice Arrowhead Neurosurgical Medical Group Inc and her current practice location is 400 N Pepper Ave, Armc, Colton, California. You can reach out to her office (for appointments etc.) via phone at (909) 580-6210.

Margaret Wacker is licensed to practice in California (license number G509811) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1992812671.

Contact Information

Margaret Wacker, MD
400 N Pepper Ave, Armc,
Colton, CA 92324
(909) 580-6210
(909) 580-1363

Map and Direction




Physician's Profile

Full NameMargaret Wacker
GenderFemale
SpecialityNeurosurgery
Experience42 Years
Location400 N Pepper Ave, Colton, California
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Margaret Wacker attended and graduated from University Of Washington School Of Medicine in 1982
  NPI Data:
  • NPI Number: 1992812671
  • Provider Enumeration Date: 08/25/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4587627724
  • Enrollment ID: I20041108001294

Medical Identifiers

Medical identifiers for Margaret Wacker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992812671NPI-NPPES
GR0079700MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery G509811 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Arrowhead Neurosurgical Medical Group Inc731590064415

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. Margaret Wacker allows following entities to bill medicare on her behalf.
Entity NameCal Med Physicians And Surgeons Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316054737
PECOS PAC ID: 4385556687
Enrollment ID: O20031104000708
Entity NameArrowhead Neurosurgical Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639255854
PECOS PAC ID: 7315900644
Enrollment ID: O20041108001131

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. Margaret Wacker 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
Margaret Wacker, MD
Po Box 670,
Redlands, CA 92373

Ph: (909) 777-3397
Margaret Wacker, MD
400 N Pepper Ave, Armc,
Colton, CA 92324

Ph: (909) 580-6210

Reviews and Comments


Neurological Surgery Doctors in Colton, CA

Silvio Hoshek, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 400 N Pepper Ave, Armc, Colton, CA 92324
Phone: 909-580-6210    Fax: 909-580-1363
Javed Siddiqi, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave, Armc Modular#3, Colton, CA 92324
Phone: 909-580-6210    Fax: 909-580-1363
Sarah Kay Burke,
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave, Colton, CA 92324
Phone: 909-580-1000    
Caroline Boorman, DO
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 400 N Pepper Ave, Neurosurgery Dept. Mod 3, Colton, CA 92324
Phone: 909-580-6210    Fax: 909-580-1363
Dr. Stephen Faraz Shafizadeh, MD PHD DC
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave Ste 308, Colton, CA 92324
Phone: 909-580-1366    Fax: 909-580-1363
Deependra Mahato, DO
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave, Colton, CA 92324
Phone: 909-580-3353    
Dr. Vivek Ramakrishnan, DO
Neurological Surgery
Medicare: May Accept Medicare Assignments
Practice Location: 400 N Pepper Ave, Dept. Neurosurgery Mod# 3, Colton, CA 92324
Phone: 909-580-3353    Fax: 909-580-1363

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.