Nicholas Hall, MD
Emergency Medicine Physician · Palo Alto, CA
Nicholas Hall, MD is an emergency medicine physician with a practice address in Palo Alto, California, and NPI 1649815325, issued on Nov 17, 2019. Check the license (California A189470, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas Hall
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A189470 CA
Self-reported in NPPES; status is on the state search - Practice location
- 900 Welch RD Ste 350, Palo Alto, CA 94304
- Phone
- (650) 723-6576
- Enumerated
- Nov 17, 2019
- Record last updated
- Mar 6, 2026
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 900 Welch RD Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Areeba Abid, MDStudent in an Organized Health Care Education/Training Program1982363941
- Dalton BrunsonStudent in an Organized Health Care Education/Training Program1730977281
- Claire CassianniStudent in an Organized Health Care Education/Training Program1538957063
- Brenda Castolo, AGACNP-BCNurse Practitioner1083195408
- Peter Davis-Allen, MDEmergency Medicine Physician1043839657
- Ursula Dean, BSN, RN, MSN, NPFamily Nurse Practitioner1063813350
Verify Nicholas Hall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average emergency medicine physician in 2024
57 Medicare Part D claims for 42 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Nicholas Hall among 7,751 emergency medicine physician records in California
Nicholas Hall, MD 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 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).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Palo Alto → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Terence Ahern, MDPalo Alto, CA 943041104195916
- Christopher Evans, D.O.Palo Alto, CA 943041902227788
- Tonia Fox, MDPalo Alto, CA 943041023050242
- William Johnston, M.D.Palo Alto, CA 943041417366584
- Derrick Lung, MDPalo Alto, CA 943041821259342
- Anne Merritt, M.D.Palo Alto, CA 943041730322967
- Robert Norris, M.D.Palo Alto, CA 943041124177928
- Sabrina Pak, MDPalo Alto, CA 943041548332018
Common questions
What is Nicholas Hall, MD's NPI number?
Nicholas Hall, MD's National Provider Identifier (NPI) is 1649815325, issued on Nov 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Hall, MD located?
The NPPES record lists a practice address at 900 Welch RD Ste 350, Palo Alto, CA, 94304. Phone: (650) 723-6576. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Hall, MD's license?
NPPES lists California license number A189470, 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 Nicholas Hall, MD prescribe under Medicare Part D?
In 2024, Nicholas Hall, MD had 57 Medicare Part D claims for 42 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.