Gregory S Larsen, DO - Medicare in Colton, CA

Gregory S Larsen, DO is a medicare enrolled "Emergency Medicine" physician in Colton, California. His current practice location is 400 N Pepper Ave, Colton, California. You can reach out to his office (for appointments etc.) via phone at (909) 580-1000.

Gregory S Larsen is licensed to practice in California (license number 20A10521) 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 1104073709.

Contact Information

Gregory S Larsen, DO
400 N Pepper Ave,
Colton, CA 92324-1801
(909) 580-1000
Not Available



Physician's Profile

Full NameGregory S Larsen
GenderMale
Speciality
Experience Years
Location400 N Pepper Ave, Colton, California
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:
  • Gregory S Larsen attended and graduated from in
  NPI Data:
  • NPI Number: 1104073709
  • Provider Enumeration Date: 08/26/2008
  • Last Update Date: 10/30/2009
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Gregory S Larsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104073709NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 20A10521 (California)Primary

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. Gregory S Larsen 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
Gregory S Larsen, DO
312 Notre Dame Rd,
Claremont, CA 91711-5136

Ph: (909) 399-3609
Gregory S Larsen, DO
400 N Pepper Ave,
Colton, CA 92324-1801

Ph: (909) 580-1000

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Emergency Medicine Doctors in Colton, CA

Eugene Lawrence Kwong, M.D
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 400 N. Pepper Avenue, Colton, CA 92324
Phone: 909-580-1400    
Gregory M. Fenati, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave, Colton, CA 92324
Phone: 858-344-7049    
Carol Hyeun Lee, M.D
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 400 N. Pepper Avenue, Colton, CA 92324
Phone: 909-580-1400    
Dr. Vikram Raj, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave Ste 107, Colton, CA 92324
Phone: 909-580-1802    
Robert Sexton Kollen, M.D
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 N. Pepper Avenue, Colton, CA 92324
Phone: 909-580-1400    
Leigh Elizabeth Avera, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave, Colton, CA 92324
Phone: 909-580-1000    
Kenneth Paul Takaki, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 400 N Pepper Ave, Colton, CA 92324
Phone: 909-580-6370    

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