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Rogelio Sion, M.D.
NPI 1306960992 · Internal Medicine Physician · Rockville, MD
Rogelio Sion, M.D. is a Internal Medicine Physician provider in Rockville, MD (NPI 1306960992).
Provider details
- NPI number
- 1306960992
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD5132 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
1850 Greenplace Ter
Rockville, MD 20850-2942
Phone: (301) 340-0418
Fax: (301) 340-1468
Street-level locationGet directions
Mailing address
1850 Greenplace Ter
Rockville, MD 20850-2942
Registry dates
- Enumerated
- 2007-03-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Rogelio Sion's NPI number?
- Rogelio Sion's National Provider Identifier (NPI) is 1306960992, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rogelio Sion's specialty?
- Rogelio Sion is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rogelio Sion located?
- Rogelio Sion's practice location on file with NPPES is 1850 Greenplace Ter, Rockville, MD 20850-2942.
- What is Rogelio Sion's phone number?
- The practice phone number listed in the NPPES registry for Rogelio Sion is (301) 340-0418.
- Is Rogelio Sion's NPI active?
- Yes — Rogelio Sion's NPI (1306960992) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.