OrganizationActive
John Gian MD LLC
NPI 1154847887 · Infectious Disease Physician · Bel Air, MD
John Gian MD LLC is a Infectious Disease Physician organization in Bel Air, MD (NPI 1154847887).
Provider details
- NPI number
- 1154847887
- Entity type
- Organization
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Gian, Provider(347) 598-2438
- License
- D0083786 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
510 Upper Chesapeake Dr Ste 312
Bel Air, MD 21014-4328
Phone: (443) 643-2236
Fax: (443) 643-1545
Street-level locationGet directions
Mailing address
1171 Ovington Ave
Brooklyn, NY 11219-6005
Registry dates
- Enumerated
- 2017-08-15
- Last updated
- 2017-08-15
Frequently asked questions
- What is John Gian MD LLC's NPI number?
- John Gian MD LLC's National Provider Identifier (NPI) is 1154847887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Gian MD LLC?
- John Gian MD LLC is classified in the NPPES registry as Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Gian MD LLC located?
- John Gian MD LLC's practice location on file with NPPES is 510 Upper Chesapeake Dr Ste 312, Bel Air, MD 21014-4328.
- What is John Gian MD LLC's phone number?
- The practice phone number listed in the NPPES registry for John Gian MD LLC is (443) 643-2236.
- Who is the authorized official for John Gian MD LLC?
- The authorized official listed on John Gian MD LLC's NPPES record is John Gian, Provider. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Gian MD LLC's NPI active?
- Yes — John Gian MD LLC's NPI (1154847887) is active in the NPPES registry as of the last update on 2017-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.