NPPES file of Aug 9, 2026

Spencer Christensen

Hospice and Palliative Medicine (Internal Medicine) Physician · Oakland, CA

Spencer Christensen is a hospice and palliative medicine (internal medicine) physician with a practice address in Oakland, California, and NPI 1346650090, issued on May 3, 2014. Check the license (California A146865, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346650090
Name
Spencer Christensen
Primary taxonomy
Hospice and Palliative Medicine (Internal Medicine) Physician 207RH0002X
License numbers
A146865 CA
146865 CA
Self-reported in NPPES; status is on the state search
Practice location
3600 Broadway, Oakland, CA 94611
Phone
(415) 752-1000
Enumerated
May 3, 2014
Record last updated
Jan 17, 2023
Medicare enrollment
Enrolled (PECOS I20180518000546); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3600 Broadway

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dann August AbenojarCritical Care Registered Respiratory Therapist1316411242
  2. Jacob AbjelinaStudent in an Organized Health Care Education/Training Program1184474850
  3. Basma Al Bast, MDCardiovascular Disease Physician1184145682
  4. Danielle AllenSpeech-Language Pathologist1154838118
  5. Kritika Amanjee, MD, MBAStudent in an Organized Health Care Education/Training Program1962192666
  6. Eduardo AmarCertified Respiratory Therapist1811460546

Verify Spencer Christensen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A146865
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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88% fewer Medicare Part D claims than the average hospice and palliative medicine (internal medicine) physician in 2024

86 Medicare Part D claims for 30 beneficiaries, against an average of 741 among the 1,607 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. Spencer Christensen86
  2. Specialty average741

Most prescribed

  1. Quetiapine Fumarate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Permanente Medical Group IncOakland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hospice and Palliative Medicine (Internal Medicine) Physician providers in California

There are 260 hospice and palliative medicine (internal medicine) physician records in California.

Other hospice and palliative medicine (internal medicine) physician records in California

  1. Marietta Abalos-Galito, M.D.San Jose, CA1437277092
  2. Patrick Joseph Alix, MDGlendora, CA1457352783
  3. Vishar Amin, M.D.San Diego, CA1326484577
  4. Jeffrey Angeles, M.D.West Hollywood, CA1841427226
  5. Mohammed Iqbal Ansari, MDBuena Park, CA1972265544
  6. Anna Armitage, MDLos Angeles, CA1952938300
  7. Donna Baldassare, DOSan Mateo, CA1962662478
  8. Chandana Banerjee, MDDuarte, CA1609168277
  9. Todd Barrett, M.D.San Francisco, CA1184888760
  10. Rebecca Bastian, M.D.Vallejo, CA1578875324

Common questions

What is Spencer Christensen's NPI number?

Spencer Christensen's National Provider Identifier (NPI) is 1346650090, issued on May 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Spencer Christensen located?

The NPPES record lists a practice address at 3600 Broadway, Oakland, CA, 94611. Phone: (415) 752-1000. Providers update this record themselves, so call before visiting.

How can I verify Spencer Christensen's license?

NPPES lists California license number A146865, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Spencer Christensen prescribe under Medicare Part D?

In 2024, Spencer Christensen had 86 Medicare Part D claims for 30 beneficiaries; the average among hospice and palliative medicine (internal medicine) physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Spencer Christensen's MIPS final score?

The 2023 MIPS final score is 74.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.