Sonya Christianson, MD
NPI 1871751073 · Hospice and Palliative Medicine (Family Medicine) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonya Christianson, MD is a Hospice and Palliative Medicine (Family Medicine) Physician provider in San Diego, CA (NPI 1871751073).
Provider details
- NPI number
- 1871751073
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A103850 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
604 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 157 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 154 | $121 |
| Advance Care Planning, Each Additional 30 Minutes99498 | 149 | $73 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 144 | $176 |
Typical Medicare-allowed amounts for these services range $73–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-26
- Last updated
- 2020-08-03
- Certified
- 2020-08-03
Frequently asked questions
- What is Sonya Christianson's NPI number?
- Sonya Christianson's National Provider Identifier (NPI) is 1871751073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonya Christianson's specialty?
- Sonya Christianson is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sonya Christianson located?
- Sonya Christianson's practice location on file with NPPES is 4077 5th Ave, San Diego, CA 92103-2105.
- What is Sonya Christianson's phone number?
- The practice phone number listed in the NPPES registry for Sonya Christianson is (858) 678-6550.
- Does Sonya Christianson accept Medicare?
- Sonya Christianson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonya Christianson's NPI active?
- Yes — Sonya Christianson's NPI (1871751073) is active in the NPPES registry as of the last update on 2020-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.