Siam Oottamasathien, MD
NPI 1215084017 · Pediatric Urology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siam Oottamasathien, MD is a Pediatric Urology Physician provider in Boston, MA (NPI 1215084017).
Provider details
- NPI number
- 1215084017
- Entity type
- Individual
- Primary specialty
- Pediatric Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6513463-1205 (UT)
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 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
Mailing address
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2017-12-05
Frequently asked questions
- What is Siam Oottamasathien's NPI number?
- Siam Oottamasathien's National Provider Identifier (NPI) is 1215084017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siam Oottamasathien's specialty?
- Siam Oottamasathien is listed in the NPPES registry with a primary specialty of Pediatric Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Siam Oottamasathien located?
- Siam Oottamasathien's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Siam Oottamasathien's phone number?
- The practice phone number listed in the NPPES registry for Siam Oottamasathien is (617) 724-0327.
- Does Siam Oottamasathien accept Medicare?
- Siam Oottamasathien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siam Oottamasathien's NPI active?
- Yes — Siam Oottamasathien's NPI (1215084017) is active in the NPPES registry as of the last update on 2017-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.