Tammy Allen, RN
NPI 1629225578 · Critical Care Medicine Registered Nurse · Willoughby, OH
Tammy Allen, RN is a Critical Care Medicine Registered Nurse provider in Willoughby, OH (NPI 1629225578).
Provider details
- NPI number
- 1629225578
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN258692 (OH)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-08-22
- Last updated
- 2008-08-22
Frequently asked questions
- What is Tammy Allen's NPI number?
- Tammy Allen's National Provider Identifier (NPI) is 1629225578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Allen's specialty?
- Tammy Allen is listed in the NPPES registry with a primary specialty of Critical Care Medicine Registered Nurse (Nursing Service Providers).
- Where is Tammy Allen located?
- Tammy Allen's practice location on file with NPPES is 36000 Euclid Ave, Willoughby, OH 44094-4625.
- What is Tammy Allen's phone number?
- The practice phone number listed in the NPPES registry for Tammy Allen is (440) 953-9600.
- Is Tammy Allen's NPI active?
- Yes — Tammy Allen's NPI (1629225578) is active in the NPPES registry as of the last update on 2008-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.