Holly Hammack, LCSW - Medicare Clinical Social Worker in Fontana, CA

Holly Hammack, LCSW is a medicare enrolled "Social Worker - Clinical" provider in Fontana, California. She graduated from medical school in 1980 and has 44 years of diverse experience with area of expertise as Clinical Social Worker. She is a member of the group practice Mountain View Behavioral Health Inc and her current practice location is 9961 Sierra Ave, Fontana, California. You can reach out to her office (for appointments etc.) via phone at (909) 427-3910.

Holly Hammack is licensed to practice in California (license number LCS10042) 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 1295939338.

Contact Information

Holly Hammack, LCSW
9961 Sierra Ave,
Fontana, CA 92335-6720
(909) 427-3910
Not Available



Healthcare Provider's Profile

Full NameHolly Hammack
GenderFemale
SpecialityClinical Social Worker
Experience44 Years
Location9961 Sierra Ave, Fontana, 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:
  • Holly Hammack graduated from medical school in 1980
  NPI Data:
  • NPI Number: 1295939338
  • Provider Enumeration Date: 06/13/2007
  • Last Update Date: 09/15/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 7719168970
  • Enrollment ID: I20110221000707

Medical Identifiers

Medical identifiers for Holly Hammack such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1295939338NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical LCS10042 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mountain View Behavioral Health Inc43857252665

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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. Holly Hammack allows following entities to bill medicare on her behalf.
Entity NameMountain View Behavioral Health Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043391295
PECOS PAC ID: 4385725266
Enrollment ID: O20080116000761

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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. Holly Hammack 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
Holly Hammack, LCSW
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-3910
Holly Hammack, LCSW
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-3910

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Social Worker in Fontana, CA

Anh Thuc Ly, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 9985 Sierra Ave # Mob4, Fontana, CA 92335
Phone: 909-427-5191    
Diana Perez Duran,
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-997-2645    
Ms. Monica Victoria Pulido, MSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 8485 Tamarind Ave, Fontana, CA 92335
Phone: 909-428-2366    
Monique Bautista, LCSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 6101 Cherry Ave, Fontana, CA 92336
Phone: 909-202-8361    
Joel Latimer, MFT
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Ms. Rachel Michelle Estrada, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 7525 Wynstone Pl, Fontana, CA 92336
Phone: 951-218-2882    
Felipe Amaya, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 6060 Firestone Dr, Fontana, CA 92336
Phone: 909-549-3950    

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