Whitney Nelson, M.D.
Hospitalist Physician · Irvine, CA
Whitney Nelson, M.D. is a hospitalist physician with a practice address in Irvine, California, and NPI 1265973523, issued on Mar 19, 2017. Check the license (California A160145, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Whitney Nelson
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A160145 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16200 Sand Canyon Ave, Irvine, CA 92618
- Phone
- (949) 873-6181
- Enumerated
- Mar 19, 2017
- Record last updated
- Jul 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20200622000630); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 16200 Sand Canyon Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine AyalaNurse Practitioner1831879154
- Nicholas Bove, MDEmergency Medicine Physician1255837837
- David Calica, M.D.Anesthesiology Physician1780787606
- Danielle CarlsonRegistered Nurse1710850409
- John Chien, M.D.Hospitalist Physician1790043651
- Michael Cho, M.D.Hospitalist Physician1184915001
Verify Whitney Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A160145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average hospitalist physician in 2024
167 Medicare Part D claims for 68 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Pantoprazole Sodium13 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): 86.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pacific Hospitalist Associates A Medical CorporationNewport Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Whitney Nelson among 3,099 hospitalist physician records in California
Whitney Nelson, M.D. is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 74% of them.
- NPI issued2017 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2017 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Irvine → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ali Ahoui, MDIrvine, CA 926181093964769
- Robert Cho, M.D.Irvine, CA 926181760578512
- Scott Derkum, MDIrvine, CA 926181588660849
- John Dieckhoff, M.D.Irvine, CA 926181700068152
- Veejay Geria, M.D.Irvine, CA 926181821193467
- Derrick Hong, M.DIrvine, CA 926181124040696
- Nam Kim, MDIrvine, CA 926181861572513
- Ewa Kontny, M.D.Irvine, CA 926181598916587
Common questions
What is Whitney Nelson, M.D.'s NPI number?
Whitney Nelson, M.D.'s National Provider Identifier (NPI) is 1265973523, issued on Mar 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Whitney Nelson, M.D. located?
The NPPES record lists a practice address at 16200 Sand Canyon Ave, Irvine, CA, 92618. Phone: (949) 873-6181. Providers update this record themselves, so call before visiting.
How can I verify Whitney Nelson, M.D.'s license?
NPPES lists California license number A160145, 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 Whitney Nelson, M.D. prescribe under Medicare Part D?
In 2024, Whitney Nelson, M.D. had 167 Medicare Part D claims for 68 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Whitney Nelson, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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.