Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mercedes Lim Ang, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1033341813

Mercedes Lim Ang, MD is a General Practice in Ellsworth, Maine. Qualified in 2001, 25 years ago. Practices with Hospital Medicine Services of Maine LLC, a 33-clinician group and accepts Medicare assignment. Licensed in Maine and Pennsylvania.

Years since qualifying
25
Licensed in
ME, PA
In the registry since
2009
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

50 Union St
Ellsworth, ME 04605-1534
Phone: (207) 664-5311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD19406 (ME)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence MT194315 (PA)

Record details

NPI number1033341813
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2009
Last updated in NPPESJune 29, 2021
Certification dateJune 29, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL PRACTICE
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Hospital Medicine Services Of Maine Llc — 33 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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