Joann Macmillan, M.D.
NPI 1821002130 · Otolaryngology Physician · Warwick, RI
Joann Macmillan, M.D. is a Otolaryngology Physician provider in Warwick, RI (NPI 1821002130).
Provider details
- NPI number
- 1821002130
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 5410 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-07-29
- Last updated
- 2016-12-15
Frequently asked questions
- What is Joann Macmillan's NPI number?
- Joann Macmillan's National Provider Identifier (NPI) is 1821002130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joann Macmillan's specialty?
- Joann Macmillan is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Joann Macmillan located?
- Joann Macmillan's practice location on file with NPPES is 300 Toll Gate Rd, Warwick, RI 02886-4416.
- What is Joann Macmillan's phone number?
- The practice phone number listed in the NPPES registry for Joann Macmillan is (401) 732-1330.
- Is Joann Macmillan's NPI active?
- Yes — Joann Macmillan's NPI (1821002130) is active in the NPPES registry as of the last update on 2016-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.