Ariel Crocker Mason, MD
Family Medicine Physician · Encinitas, CA
Ariel Crocker Mason, MD is a family medicine physician with a practice address in Encinitas, California, and NPI 1477016616, issued on Apr 12, 2019. Check the license (California A179673, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ariel Crocker Mason
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A179673 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1505 Encinitas Blvd, Encinitas, CA 92024
- Phone
- (800) 926-8273
- Enumerated
- Apr 12, 2019
- Record last updated
- Oct 3, 2025
- Fax
- (888) 539-8781
- Medicare enrollment
- Enrolled (PECOS I20221010001524); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1505 Encinitas Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsey Anderson, DOFamily Medicine Physician1033613229
- Oriesa Oeij, PA-CPhysician Assistant1568020428
- Diana Paddock, PA-CPhysician Assistant1447657804
- Natasha Ruiz, NPNurse Practitioner1356862163
- Bradley Winkel, PAPhysician Assistant1902272750
Verify Ariel Crocker Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A179673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,861 Medicare Part D claims for 411 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 74 claims were for opioids.
Most prescribed
- Atorvastatin Calcium198 claims
- Levothyroxine Sodium137 claims
- Amlodipine Besylate122 claims
- Losartan Potassium112 claims
- Rosuvastatin Calcium108 claims
- Lisinopril97 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.
Bills Medicare through one group practice
- UC San Diego Health Community GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
53 family medicine physician records list a practice address in Encinitas
They are 53 of the 1,874 NPPES records with a practice address in Encinitas, and 17,133 family medicine physician records in California.
All 53 in Encinitas → All 17,133 in California → Every provider in Encinitas →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Ariel Crocker Mason, MD's NPI number?
Ariel Crocker Mason, MD's National Provider Identifier (NPI) is 1477016616, issued on Apr 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Crocker Mason, MD located?
The NPPES record lists a practice address at 1505 Encinitas Blvd, Encinitas, CA, 92024. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Ariel Crocker Mason, MD's license?
NPPES lists California license number A179673, 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 Ariel Crocker Mason, MD prescribe under Medicare Part D?
In 2024, Ariel Crocker Mason, MD had 2,861 Medicare Part D claims for 411 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.