Theodore Leng, MD - Medicare Ophthalmology in Stanford, CA

Theodore Leng, MD is a medicare enrolled "Ophthalmology - Retina Specialist" physician in Stanford, California. He went to Stanford University School Of Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice County Of Santa Clara, University Healthcare Alliance, Stanford Health Care and his current practice location is 300 Pasteur Dr, Stanford, California. You can reach out to his office (for appointments etc.) via phone at (650) 723-4000.

Theodore Leng is licensed to practice in California (license number A106892) 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 1144438987.

Contact Information

Theodore Leng, MD
300 Pasteur Dr,
Stanford, CA 94305-2200
(650) 723-4000
Not Available



Physician's Profile

Full NameTheodore Leng
GenderMale
SpecialityOphthalmology
Experience19 Years
Location300 Pasteur Dr, Stanford, 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:
  • Theodore Leng attended and graduated from Stanford University School Of Medicine in 2005
  NPI Data:
  • NPI Number: 1144438987
  • Provider Enumeration Date: 05/17/2007
  • Last Update Date: 03/21/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3375693195
  • Enrollment ID: I20090616000573

Medical Identifiers

Medical identifiers for Theodore Leng such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144438987NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology A106892 (California)Secondary
207WX0107XOphthalmology - Retina Specialist A106892 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Stanford Health CareStanford, CAHospital
Santa Clara Valley Medical CenterSan jose, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
County Of Santa Clara1254244973732
University Healthcare Alliance6305748799346
Stanford Health Care67097974912572

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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. Theodore Leng allows following entities to bill medicare on his behalf.
Entity NameStanford Health Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437292927
PECOS PAC ID: 6709797491
Enrollment ID: O20031124000348

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Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659450955
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000757

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Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699885079
PECOS PAC ID: 1254244973
Enrollment ID: O20040113000784

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Entity NameUniversity Healthcare Alliance
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760531198
PECOS PAC ID: 6305748799
Enrollment ID: O20040126000292

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Entity NameLpch Medical Group Div Of Lucile
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417907940
PECOS PAC ID: 0840298543
Enrollment ID: O20061113000232

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Entity NameCounty Of Santa Clara
Entity TypePart B Supplier - Other Medical Care Group
Entity IdentifiersNPI Number: 1629301346
PECOS PAC ID: 1254244973
Enrollment ID: O20110318000170

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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. Theodore Leng 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
Theodore Leng, MD
2452 Watson Ct,
Palo Alto, CA 94303-3216

Ph: (650) 721-6888
Theodore Leng, MD
300 Pasteur Dr,
Stanford, CA 94305-2200

Ph: (650) 723-4000

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Ophthalmology Doctors in Stanford, CA

Stephen John Smith, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-723-4000    
Dr. Clara Jiayun Men, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 858-534-8858    
Dr. Angeline Michelle Nguyen, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-723-4000    
Sean Michael Collon, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-723-4000    
Charles Qian Yu, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-723-4000    
Bryce Chiang, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-723-4000    
Karen Michelle Phan Wai, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 300 Pasteur Dr, Stanford, CA 94305
Phone: 650-723-4000    

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