Sparc
NPI 1780722199 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Redwood City, CA
Sparc is a Pain Medicine (Physical Medicine & Rehabilitation) Physician organization in Redwood City, CA (NPI 1780722199).
Provider details
- NPI number
- 1780722199
- Entity type
- Organization
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Sontag, Owner(650) 780-0575
- License
- 6052976 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-02-01
- Last updated
- 2020-08-22
Frequently asked questions
- What is Sparc's NPI number?
- Sparc's National Provider Identifier (NPI) is 1780722199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sparc?
- Sparc is classified in the NPPES registry as Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Sparc located?
- Sparc's practice location on file with NPPES is 363 Main St # B, Redwood City, CA 94063-1729.
- What is Sparc's phone number?
- The practice phone number listed in the NPPES registry for Sparc is (650) 780-0575.
- Who is the authorized official for Sparc?
- The authorized official listed on Sparc's NPPES record is Mark Sontag, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sparc's NPI active?
- Yes — Sparc's NPI (1780722199) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.