Aki Niihara, MD - Medicare Obstetrics/gynecology in Lancaster, CA

Aki Niihara, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Lancaster, California. She graduated from medical school in 2012 and has 12 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice County Of Los Angeles and her current practice location is 335 E Avenue I, Lancaster, California. You can reach out to her office (for appointments etc.) via phone at (323) 243-2214.

Aki Niihara is licensed to practice in California (license number A128800) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1114286952.

Contact Information

Aki Niihara, MD
335 E Avenue I,
Lancaster, CA 93535-1916
(323) 243-2214
Not Available

Map and Direction




Physician's Profile

Full NameAki Niihara
GenderFemale
SpecialityObstetrics/gynecology
Experience12 Years
Location335 E Avenue I, Lancaster, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Aki Niihara graduated from medical school in 2012
  NPI Data:
  • NPI Number: 1114286952
  • Provider Enumeration Date: 05/14/2012
  • Last Update Date: 06/16/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9537483870
  • Enrollment ID: I20161026000964

Medical Identifiers

Medical identifiers for Aki Niihara such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114286952NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology A128800 (California)Primary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
County Of Los Angeles1850296534270

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. Aki Niihara allows following entities to bill medicare on her behalf.
Entity NameCounty Of Los Angeles
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851363188
PECOS PAC ID: 1850296534
Enrollment ID: O20031204001218
Entity NameCounty Of Los Angeles
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1780877613
PECOS PAC ID: 1850296534
Enrollment ID: O20090713000358

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. Aki Niihara 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
Aki Niihara, MD
770 S Grand Ave Apt 3100,
Los Angeles, CA 90017-1867

Ph: () -
Aki Niihara, MD
335 E Avenue I,
Lancaster, CA 93535-1916

Ph: (323) 243-2214

Reviews and Comments


Obstetrics & Gynecology Doctors in Lancaster, CA

Dr. Herbert H Keyser, MD
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Practice Location: 1600 W Avenue J, Lancaster, CA 93534
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Laura Martinez,
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Dr. Oluwamuyiwa Bolonduro, M.D
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James Helfrich Mcmillan, M.D.
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Practice Location: 1600 W Avenue J, Lancaster, CA 93534
Phone: 661-949-5000    
Herminia Amezcua, MD
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Practice Location: 44105 15th St W Ste 405, Lancaster, CA 93534
Phone: 661-729-7100    
Mr. John W Birsner Jr., MD
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Medicare: Medicare Enrolled
Practice Location: 1600 W Avenue J, Lancaster, CA 93534
Phone: 661-943-4236    

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.