Alexander Doru Stein, MD - Medicare Dermatology in Chula Vista, CA

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Alexander Doru Stein, MD is a medicare enrolled "Dermatology" physician in Chula Vista, California. He graduated from medical school in 1994 and has 30 years of diverse experience with area of expertise as Dermatology. His current practice location is 340 Fourth Ave Ste 14, Chula Vista, California. You can reach out to his office (for appointments etc.) via phone at (718) 753-6536.

Alexander Doru Stein is licensed to practice in California (license number A106295) 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 1760431654.

Contact Information

Alexander Doru Stein, MD
340 Fourth Ave Ste 14,
Chula Vista, CA 91910
(718) 753-6536
(619) 258-0028

Map and Direction




Physician's Profile

Full NameAlexander Doru Stein
GenderMale
SpecialityDermatology
Experience30 Years
Location340 Fourth Ave Ste 14, Chula Vista, 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:
  • Alexander Doru Stein graduated from medical school in 1994
  NPI Data:
  • NPI Number: 1760431654
  • Provider Enumeration Date: 05/08/2006
  • Last Update Date: 02/17/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1951324961
  • Enrollment ID: I20121105000190

Medical Identifiers

Medical identifiers for Alexander Doru Stein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760431654NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD036056 (District Of Columbia)Secondary
207N00000XDermatology A106295 (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. Alexander Doru Stein allows following entities to bill medicare on his behalf.
Entity NameChaparral Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477733624
PECOS PAC ID: 6800709403
Enrollment ID: O20031110000605
Entity NameChaparral Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093777666
PECOS PAC ID: 6800709403
Enrollment ID: O20040331001684
Entity NameAdvanced Skincare Medcenter Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689711244
PECOS PAC ID: 6103802137
Enrollment ID: O20040629000848
Entity NameAdvanced Dermatology & Skin Cancer Specialists
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881023927
PECOS PAC ID: 3678702206
Enrollment ID: O20140131000433
Entity NameStein Dermatology A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780159749
PECOS PAC ID: 7911245154
Enrollment ID: O20190213000725

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. Alexander Doru Stein 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
Alexander Doru Stein, MD
340 Fourth Ave Ste 14,
Chula Vista, CA 91910-3813

Ph: (619) 303-3681		Alexander Doru Stein, MD
340 Fourth Ave Ste 14,
Chula Vista, CA 91910

Ph: (718) 753-6536

Reviews and Comments


Dermatology Doctors in Chula Vista, CA

Dr. Erick Alfonso Mafong, M.D.
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Practice Location: 319 F St, Ste 102, Chula Vista, CA 91910
Phone: 619-476-1200    Fax: 619-420-7849
Dr. Nancy Cheng Maly, M.D.
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Practice Location: 1400 E Palomar St, Chula Vista, CA 91913
Phone: 619-397-3295    
Dr. Peter P Rullan, M.D.
Dermatology
Medicare: Accepting Medicare Assignments
Practice Location: 256 Landis Ave, 3rd Floor, Chula Vista, CA 91910
Phone: 619-426-9600    Fax: 619-426-4112
Dr. Mark Andrew Willoughby, M.D.
Dermatology
Medicare: Accepting Medicare Assignments
Practice Location: 319 F St, Ste 102, Chula Vista, CA 91910
Phone: 619-476-1200    Fax: 619-420-7849
Jennifer Rullan, MD
Dermatology
Medicare: Accepting Medicare Assignments
Practice Location: 256 Landis Ave, Suite 300, Chula Vista, CA 91910
Phone: 619-422-1233    Fax: 619-426-4112
Eugene James Nowak, D.O.
Dermatology
Medicare: Not Enrolled in Medicare
Practice Location: 2440 Fenton Street, Suite 101, Chula Vista, CA 91914
Phone: 619-420-1840    Fax: 619-420-9630
Dr. Cole Bradford Willoughby, M.D.
Dermatology
Medicare: Accepting Medicare Assignments
Practice Location: 319 F St, Ste 102, Chula Vista, CA 91910
Phone: 619-476-1200    Fax: 619-420-7849

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.