John Eliot Nicolaisen, PA
Medical Physician Assistant · Apple Valley, CA
John Eliot Nicolaisen, PA is a medical physician assistant with a practice address in Apple Valley, California, and NPI 1548666738, issued on Nov 14, 2014. Check the license (California PA52168, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Eliot Nicolaisen
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA52168 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18523 Corwin RD Ste G, Apple Valley, CA 92307
- Phone
- (760) 242-3376
- Enumerated
- Nov 14, 2014
- Record last updated
- Sep 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160526002164); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 18523 Corwin RD Ste G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Cox, PAPhysician Assistant1720341555
Verify John Eliot Nicolaisen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA52168Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average medical physician assistant in 2024
325 Medicare Part D claims for 83 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate19 claims
- Lisinopril19 claims
- Triamcinolone Acetonide14 claims
- Ketoconazole13 claims
- Albuterol Sulfate Hfa12 claims
- Ibuprofen11 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.
Industry payments in 2024: $111.29
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Bear Valley Community Health Care DistrictBig Bear Lake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Eliot Nicolaisen among 3,376 medical physician assistant records in California
John Eliot Nicolaisen, PA is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 58% of them.
- NPI issued2014 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2014 · median 2012 among the 1,347 with a school on file
- Record last updated2017 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 medical physician assistant records list a practice address in Apple Valley
They are 16 of the 1,518 NPPES records with a practice address in Apple Valley, and 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Apple Valley → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Nuha Alomari, PA-CApple Valley, CA 923071497582209
- Tait Christensen, PA-CApple Valley, CA 923071861775611
- Michael Erskine, PA-CApple Valley, CA 923071053369009
- Elias Frangos, PA-CApple Valley, CA 923071235697376
- Isabel GalvezApple Valley, CA 923071932945847
- Gabrielle GonzalezApple Valley, CA 923071942601430
- Bruce Jackson, P.A.Apple Valley, CA 923071124072087
- Marshall Koon, PA-CApple Valley, CA 923071982939302
Common questions
What is John Eliot Nicolaisen, PA's NPI number?
John Eliot Nicolaisen, PA's National Provider Identifier (NPI) is 1548666738, issued on Nov 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Eliot Nicolaisen, PA located?
The NPPES record lists a practice address at 18523 Corwin RD Ste G, Apple Valley, CA, 92307. Phone: (760) 242-3376. Providers update this record themselves, so call before visiting.
How can I verify John Eliot Nicolaisen, PA's license?
NPPES lists California license number PA52168, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John Eliot Nicolaisen, PA prescribe under Medicare Part D?
In 2024, John Eliot Nicolaisen, PA had 325 Medicare Part D claims for 83 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.