OrganizationActive
Rong J Guan, MD LLC
NPI 1003169327 · Gastroenterology Physician · Boston, MA
Rong J Guan, MD LLC is a Gastroenterology Physician organization in Boston, MA (NPI 1003169327).
Provider details
- NPI number
- 1003169327
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Rong Guan, Member(617) 290-9881
- License
- 150086 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
30 Kneeland St Fl 5
Boston, MA 02111-1528
Phone: (617) 290-9881
Fax: (617) 350-6555
Street-level locationGet directions
Mailing address
30 Kneeland Street, 5th Floor
Boston, MA 20111-1528
Registry dates
- Enumerated
- 2012-10-24
- Last updated
- 2012-11-02
Frequently asked questions
- What is Rong J Guan, MD LLC's NPI number?
- Rong J Guan, MD LLC's National Provider Identifier (NPI) is 1003169327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rong J Guan, MD LLC?
- Rong J Guan, MD LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Rong J Guan, MD LLC located?
- Rong J Guan, MD LLC's practice location on file with NPPES is 30 Kneeland St Fl 5, Boston, MA 02111-1528.
- What is Rong J Guan, MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Rong J Guan, MD LLC is (617) 290-9881.
- Who is the authorized official for Rong J Guan, MD LLC?
- The authorized official listed on Rong J Guan, MD LLC's NPPES record is Rong Guan, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rong J Guan, MD LLC's NPI active?
- Yes — Rong J Guan, MD LLC's NPI (1003169327) is active in the NPPES registry as of the last update on 2012-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.