IndividualActive
Heather Ryan, PH.D., RN
NPI 1730871229 · Registered Nurse · Cambridge, MA
Heather Ryan, PH.D., RN is a Registered Nurse provider in Cambridge, MA (NPI 1730871229).
Provider details
- NPI number
- 1730871229
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- PH.D., RN
- Sex
- Female
- Sole proprietor
- No
- License
- RN2258972 (MA)
Specialties & taxonomies
Nursing Service Providers
Nursing Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
1493 Cambridge St
Cambridge, MA 02139-1047
Phone: (617) 665-1000
Street-level locationGet directions
Mailing address
21 Gillooly Rd # 2
Chelsea, MA 02150-2233
Additional practice locations (1)
- 151 Everett AveChelsea, MA 02150-1812Phone: (617) 889-8520
Registry dates
- Enumerated
- 2023-05-23
- Last updated
- 2023-05-23
- Certified
- 2023-05-23
Frequently asked questions
- What is Heather Ryan's NPI number?
- Heather Ryan's National Provider Identifier (NPI) is 1730871229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Ryan's specialty?
- Heather Ryan is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Heather Ryan located?
- Heather Ryan's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1047.
- What is Heather Ryan's phone number?
- The practice phone number listed in the NPPES registry for Heather Ryan is (617) 665-1000.
- Is Heather Ryan's NPI active?
- Yes — Heather Ryan's NPI (1730871229) is active in the NPPES registry as of the last update on 2023-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.