Ellen Tambunan, M.D.
NPI 1235102823 · Family Medicine Physician · Niles, MI
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Tambunan, M.D. is a Family Medicine Physician provider in Niles, MI (NPI 1235102823).
Provider details
- NPI number
- 1235102823
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301062919 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-13
- Last updated
- 2023-03-07
Frequently asked questions
- What is Ellen Tambunan's NPI number?
- Ellen Tambunan's National Provider Identifier (NPI) is 1235102823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Tambunan's specialty?
- Ellen Tambunan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Tambunan located?
- Ellen Tambunan's practice location on file with NPPES is 4 Longmeadow Village Dr, Niles, MI 49120-7809.
- What is Ellen Tambunan's phone number?
- The practice phone number listed in the NPPES registry for Ellen Tambunan is (269) 684-6000.
- Does Ellen Tambunan accept Medicare?
- Ellen Tambunan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Tambunan's NPI active?
- Yes — Ellen Tambunan's NPI (1235102823) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.