May Tun, MD
NPI 1225603921 · Internal Medicine Physician · Easton, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
May Tun, MD is a Internal Medicine Physician provider in Easton, PA (NPI 1225603921).
Provider details
- NPI number
- 1225603921
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD487383 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$224 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 450 Chew St Ste 101Allentown, PA 18102-3434Phone: (610) 776-4888
Registry dates
- Enumerated
- 2021-05-25
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is May Tun's NPI number?
- May Tun's National Provider Identifier (NPI) is 1225603921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is May Tun's specialty?
- May Tun is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is May Tun located?
- May Tun's practice location on file with NPPES is 1700 St Lukes Blvd, Easton, PA 18045-5670.
- What is May Tun's phone number?
- The practice phone number listed in the NPPES registry for May Tun is (484) 526-1000.
- Does May Tun accept Medicare?
- May Tun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is May Tun's NPI active?
- Yes — May Tun's NPI (1225603921) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.