Robert Shannon, MD
Robert Shannon, MD is a specialist practicing in Chelmsford, MA. The NPI was issued on August 9, 2005, and the record was last updated in NPPES on July 13, 2026.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Specialist Primary | 174400000X | 38329 (MA) |
Practice location
Local context
Active NPPES records list 872 providers with specialist as the primary taxonomy within 25 miles of this practice location's ZIP code, 71 of them within 10 miles.
The same primary taxonomy is listed by 1,536 in Massachusetts and 89,620 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- Dr. Robert Shannon
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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