Dr Niall Michael Cullen, MD - Medicare Obstetrics & Gynecology in Santa Ana, CA

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Dr Niall Michael Cullen, MD is a medicare enrolled "Obstetrics & Gynecology - Gynecology" physician in Santa Ana, California. His current practice location is 1725 W 17th St, Building 50, Santa Ana, California. You can reach out to his office (for appointments etc.) via phone at (714) 834-8146.

Dr Niall Michael Cullen is licensed to practice in California (license number A20257) 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 1659451979.

Contact Information

Dr Niall Michael Cullen, MD
1725 W 17th St, Building 50,
Santa Ana, CA 92706-2316
(714) 834-8146
(714) 834-8361

Map and Direction




Physician's Profile

Full NameDr Niall Michael Cullen
GenderMale
SpecialityObstetrics & Gynecology - Gynecology
Location1725 W 17th St, Santa Ana, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1659451979
  • Provider Enumeration Date: 10/17/2006
  • Last Update Date: 05/04/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 2062545676
  • Enrollment ID: I20100803001104

Medical Identifiers

Medical identifiers for Dr Niall Michael Cullen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659451979NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VG0400XObstetrics & Gynecology - Gynecology A20257 (California)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. Dr Niall Michael Cullen allows following entities to bill medicare on his behalf.
Entity NameLaguna Beach Community Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225149222
PECOS PAC ID: 5991861197
Enrollment ID: O20090312000261

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. Dr Niall Michael Cullen 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
Dr Niall Michael Cullen, MD
37 Costa Brava,
Laguna Niguel, CA 92677-9347

Ph: (949) 661-5867		Dr Niall Michael Cullen, MD
1725 W 17th St, Building 50,
Santa Ana, CA 92706-2316

Ph: (714) 834-8146

Reviews and Comments


Obstetrics & Gynecology Doctors in Santa Ana, CA

Linda Rae Dunzo, N.P.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1629 W. 17th Street, Suite A, Santa Ana, CA 92706
Phone: 714-972-2111    Fax: 714-972-2045
Dr. Christopher Thomas Donnelly, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1900 E 4th St, Santa Ana, CA 92705
Phone: 714-967-4700    
Dr. Amir G Nasseri, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1155 W Central Ave, Suite 214, Santa Ana, CA 92707
Phone: 714-966-9094    
Dr. Somchai Werasophon, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1226 E Mcfadden Ave, Santa Ana, CA 92705
Phone: 714-542-1331    Fax: 714-542-4758
Dr. Hubert Wu Hong Jeng, M.D
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 3620 S Bristol St, Suite 210, Santa Ana, CA 92704
Phone: 714-850-9263    Fax: 714-850-1494
Linda Collins Carr, N.P.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1629 W. 17th Street, Suite A, Santa Ana, CA 92706
Phone: 714-972-2111    Fax: 714-972-2045
Ms. Sharon Ann Voight, PAC
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 1227 W 17th St, Suite 101, Santa Ana, CA 92706
Phone: 714-500-0339    Fax: 714-500-0341

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.