NPPES file of Aug 9, 2026

Chase Samuel Nicholson, DO

Emergency Medicine Physician · Sacramento, CA

Chase Samuel Nicholson, DO is an emergency medicine physician with a practice address in Sacramento, California, and NPI 1922502913, issued on Mar 22, 2018. Check the license (California 20A17747, 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
1922502913
Name
Chase Samuel Nicholson
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A17747 CA
Self-reported in NPPES; status is on the state search
Practice location
2315 Stockton Blvd, Sacramento, CA 95817
Phone
(916) 734-8570
Enumerated
Mar 22, 2018
Record last updated
Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(916) 734-7950
Medicare enrollment
Enrolled (PECOS I20210714003344); 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 2315 Stockton Blvd

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

  1. Erik Abrames, M.D.Diagnostic Radiology Physician1558342337
  2. Angel Acevedo Carrasco, PAPhysician Assistant1316523319
  3. Lyndsey Ackerman, NPPediatric Nurse Practitioner1619630464
  4. Jason Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1134367568
  5. Sindhu Addepalli, MDInternal Medicine Physician1306405501
  6. Joseph Adducci, PA-CPhysician Assistant1023672342

Verify Chase Samuel Nicholson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17747
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average emergency medicine physician in 2024

193 Medicare Part D claims for 114 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Chase Nicholson193
  2. Specialty average226

Most prescribed

  1. Ibuprofen28 claims
  2. Cephalexin19 claims
  3. Amoxicillin-Clavulanate Potass13 claims
  4. Cefpodoxime Proxetil13 claims
  5. Hydrocodone-Acetaminophen13 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): 94.6 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. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  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. Cep America - CaliforniaAntioch, CA

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

Chase Samuel Nicholson among 7,751 emergency medicine physician records in California

Chase Samuel Nicholson, DO is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 81% of them.

  • NPI issued2018 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2018 · median 2011 among the 4,560 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

369 emergency medicine physician records list a practice address in Sacramento

They are 369 of the 33,083 NPPES records with a practice address in Sacramento, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jodie Craig, M.D.Sacramento, CA 958171659354124
  2. Greg Hachigian, M.D.Sacramento, CA 958171558342022
  3. James Holmes, MD, MPHSacramento, CA 958171427033091
  4. James Kirk, MDSacramento, CA 958171598749848
  5. Nathan Kuppermann, M.D., M.P.H.Sacramento, CA 958171356322150
  6. James Lee, M.D.Sacramento, CA 958171730163510
  7. Kerry McMahon, MDSacramento, CA 958171235113549
  8. Robert Narverud, M.D.Sacramento, CA 958171457335754

Common questions

What is Chase Samuel Nicholson, DO's NPI number?

Chase Samuel Nicholson, DO's National Provider Identifier (NPI) is 1922502913, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Chase Samuel Nicholson, DO located?

The NPPES record lists a practice address at 2315 Stockton Blvd, Sacramento, CA, 95817. Phone: (916) 734-8570. Providers update this record themselves, so call before visiting.

How can I verify Chase Samuel Nicholson, DO's license?

NPPES lists California license number 20A17747, 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 Chase Samuel Nicholson, DO prescribe under Medicare Part D?

In 2024, Chase Samuel Nicholson, DO had 193 Medicare Part D claims for 114 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Chase Samuel Nicholson, DO's MIPS final score?

The 2023 MIPS final score is 94.6 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.