Margaret Portwood, MD
NPI 1508849084 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Portwood, MD is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Sacramento, CA (NPI 1508849084).
Provider details
- NPI number
- 1508849084
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- G38758 (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
20 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
- 2005-11-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Portwood's NPI number?
- Margaret Portwood's National Provider Identifier (NPI) is 1508849084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Portwood's specialty?
- Margaret Portwood is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Portwood located?
- Margaret Portwood's practice location on file with NPPES is 2825 J St, Sacramento, CA 95816-4300.
- What is Margaret Portwood's phone number?
- The practice phone number listed in the NPPES registry for Margaret Portwood is (916) 440-8005.
- Does Margaret Portwood accept Medicare?
- Margaret Portwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Portwood's NPI active?
- Yes — Margaret Portwood's NPI (1508849084) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.