NPPES file of Aug 9, 2026

Joel David Clarfield, M.D.

Internal Medicine Physician · Mission Hills, CA

Joel David Clarfield, M.D. is an internal medicine physician with a practice address in Mission Hills, California, and NPI 1700941788, issued on Dec 27, 2006. Check the license (California A30778, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700941788
Name
Joel David Clarfield
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A30778 CA
Self-reported in NPPES; status is on the state search
Practice location
11550 Indian Hills RD, Mission Hills, CA 91345
Phone
(818) 838-2200
Enumerated
Dec 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(818) 838-6888
Medicaid ID
00A307780 CA
Medicare enrollment
Enrolled (PECOS I20101103000465); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 11550 Indian Hills RD

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

  1. Omaran Abdeen, M.D.Nephrology Physician1700878410
  2. Kiumars Arfai, MDPain Medicine (Anesthesiology) Physician1407804370
  3. Luis Cadena, MMS, PA-CSurgical Physician Assistant1518340371
  4. Rennie Cheung, D.M.D., M.DOral and Maxillofacial Surgery (Dentist)1659592632
  5. Anna Cova, HADHearing Instrument Specialist1073980371
  6. Danielle Dabbs, DOTrauma Surgery Physician1891999215

Verify Joel David Clarfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A30778    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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2.5 times the Medicare Part D claims of the average internal medicine physician in 2024

7,899 Medicare Part D claims for 195 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 131 claims were for opioids.

  1. Joel Clarfield7,899
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium555 claims
  2. Levothyroxine Sodium313 claims
  3. Losartan Potassium269 claims
  4. Omeprazole253 claims
  5. Furosemide227 claims
  6. Metformin Hcl210 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.

89 internal medicine physician records list a practice address in Mission Hills

They are 89 of the 731 NPPES records with a practice address in Mission Hills, and 17,696 internal medicine physician records in California.

All 89 in Mission Hills → All 17,696 in California → Every provider in Mission Hills →

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Joel David Clarfield, M.D.'s NPI number?

Joel David Clarfield, M.D.'s National Provider Identifier (NPI) is 1700941788, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joel David Clarfield, M.D. located?

The NPPES record lists a practice address at 11550 Indian Hills RD, Mission Hills, CA, 91345. Phone: (818) 838-2200. Providers update this record themselves, so call before visiting.

How can I verify Joel David Clarfield, M.D.'s license?

NPPES lists California license number A30778, 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 Joel David Clarfield, M.D. prescribe under Medicare Part D?

In 2024, Joel David Clarfield, M.D. had 7,899 Medicare Part D claims for 195 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.