Christopher William Hahn, MD - Medicare Emergency Medicine in Oakland, CA

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Christopher William Hahn, MD is a medicare enrolled "Emergency Medicine" physician in Oakland, California. His current practice location is 1411 E 31st St, Oakland, California. You can reach out to his office (for appointments etc.) via phone at (510) 437-4800.

Christopher William Hahn is licensed to practice in New York (license number 283627) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1790031417.

Contact Information

Christopher William Hahn, MD
1411 E 31st St,
Oakland, CA 94602-1018
(510) 437-4800
Not Available

Map and Direction




Physician's Profile

Full NameChristopher William Hahn
GenderMale
SpecialityEmergency Medicine
Location1411 E 31st St, Oakland, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1790031417
  • Provider Enumeration Date: 07/31/2012
  • Last Update Date: 05/08/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2466766621
  • Enrollment ID: I20160909001830

Medical Identifiers

Medical identifiers for Christopher William Hahn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790031417NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A129793 (California)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207P00000XEmergency Medicine 283627 (New York)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. Christopher William Hahn allows following entities to bill medicare on his behalf.
Entity NameIcahn School Of Medicine At Mount Sinai
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477899078
PECOS PAC ID: 2264691070
Enrollment ID: O20130717000798
Entity NameFpa Hospital Based
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1629319413
PECOS PAC ID: 4789826694
Enrollment ID: O20130806000185
Entity NameIcahn School Of Medicine At Mount Sinai
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124392238
PECOS PAC ID: 1850514258
Enrollment ID: O20140603000259

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. Christopher William Hahn 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
Christopher William Hahn, MD
1000 10th Ave,
New York, NY 10019-1147

Ph: () -		Christopher William Hahn, MD
1411 E 31st St,
Oakland, CA 94602-1018

Ph: (510) 437-4800

Reviews and Comments


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Dr. Kayla Enriquez, MD
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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.