John Dang, MD
NPI 1497245765 · Internal Medicine Physician · Bethesda, MD
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dang, MD is a Internal Medicine Physician provider in Bethesda, MD (NPI 1497245765).
Provider details
- NPI number
- 1497245765
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101267732 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$175 across 1 record (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
Registry dates
- Enumerated
- 2018-05-13
- Last updated
- 2024-07-03
- Certified
- 2024-07-03
Frequently asked questions
- What is John Dang's NPI number?
- John Dang's National Provider Identifier (NPI) is 1497245765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dang's specialty?
- John Dang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Dang located?
- John Dang's practice location on file with NPPES is 8901 Wisconsin Ave, Bethesda, MD 20889-0004.
- What is John Dang's phone number?
- The practice phone number listed in the NPPES registry for John Dang is (301) 319-8278.
- Does John Dang accept Medicare?
- John Dang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dang's NPI active?
- Yes — John Dang's NPI (1497245765) is active in the NPPES registry as of the last update on 2024-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.