Sierra Healthcare Services Inc
NPI 1104546183 · Developmental Disabilities Clinic/Center · Washington, DC
Sierra Healthcare Services Inc is a Developmental Disabilities Clinic/Center organization in Washington, DC (NPI 1104546183).
Provider details
- NPI number
- 1104546183
- Entity type
- Organization
- Primary specialty
- Developmental Disabilities Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Nancy Kallay-Jah, Ceo(301) 383-3810
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-08-31
- Last updated
- 2022-08-31
- Certified
- 2022-08-31
Frequently asked questions
- What is Sierra Healthcare Services Inc's NPI number?
- Sierra Healthcare Services Inc's National Provider Identifier (NPI) is 1104546183, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sierra Healthcare Services Inc?
- Sierra Healthcare Services Inc is classified in the NPPES registry as Developmental Disabilities Clinic/Center (Ambulatory Health Care Facilities).
- Where is Sierra Healthcare Services Inc located?
- Sierra Healthcare Services Inc's practice location on file with NPPES is 1629 K St Nw Ste 300, Washington, DC 20006-1631.
- What is Sierra Healthcare Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Sierra Healthcare Services Inc is (301) 383-3810.
- Who is the authorized official for Sierra Healthcare Services Inc?
- The authorized official listed on Sierra Healthcare Services Inc's NPPES record is Nancy Kallay-Jah, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sierra Healthcare Services Inc's NPI active?
- Yes — Sierra Healthcare Services Inc's NPI (1104546183) is active in the NPPES registry as of the last update on 2022-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.