James W Umlas, MD - Medicare Ophthalmology in Lexington, MA

James W Umlas, MD is a medicare enrolled "Ophthalmology" physician in Lexington, Massachusetts. He went to Harvard Medical School and graduated in 1992 and has 32 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Lexington Eye Associates, Inc, Lexington Eye Associates - Bid and his current practice location is 21 Worthen Rd, Lexington, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (781) 862-1620.

James W Umlas is licensed to practice in Massachusetts (license number 78623) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1942268883.

Contact Information

James W Umlas, MD
21 Worthen Rd,
Lexington, MA 02421-4835
(781) 862-1620
Not Available

Map and Direction




Physician's Profile

Full NameJames W Umlas
GenderMale
SpecialityOphthalmology
Experience32 Years
Location21 Worthen Rd, Lexington, Massachusetts
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • James W Umlas attended and graduated from Harvard Medical School in 1992
  NPI Data:
  • NPI Number: 1942268883
  • Provider Enumeration Date: 05/02/2006
  • Last Update Date: 06/17/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 4486662772
  • Enrollment ID: I20080804000508

Medical Identifiers

Medical identifiers for James W Umlas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942268883NPI-NPPES
3161242MedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 78623 (Massachusetts)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lexington Eye Associates, Inc569874898634
Lexington Eye Associates - Bid882031568229

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. James W Umlas allows following entities to bill medicare on his behalf.
Entity NameLexington Eye Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467502757
PECOS PAC ID: 5698748986
Enrollment ID: O20040816000511
Entity NameLexington Eye Associates - Bid
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801204714
PECOS PAC ID: 8820315682
Enrollment ID: O20150317000159

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. James W Umlas 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
James W Umlas, MD
21 Worthen Rd,
Lexington, MA 02421-4835

Ph: (781) 862-1620
James W Umlas, MD
21 Worthen Rd,
Lexington, MA 02421-4835

Ph: (781) 862-1620

Reviews and Comments


Ophthalmology Doctors in Lexington, MA

Daniel W Tolpin, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    
Dr. Nancy S Slater, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 48 North St, Lexington, MA 02420
Phone: 781-862-7893    Fax: 781-862-7893
Dr. Olivia Liao, MD
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    Fax: 781-863-9416
Dr. Jared E Duncan, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    
Kenneth Matthew Mckay, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 110 Hartwell Ave Ste 101, Lexington, MA 02421
Phone: 781-890-1023    
Dr. Ann Pawlowski Burnham, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    Fax: 781-863-9416
Dr. Jennifer Mullon, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 21 Worthen Rd, Lexington, MA 02421
Phone: 781-862-1620    

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).

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