Merilee R. Summerfield, PA
Family Medicine Physician · Spring Valley, CA
Merilee R. Summerfield, PA is a family medicine physician with a practice address in Spring Valley, California, and NPI 1467531988, issued on Nov 3, 2006. Check the license (California PA14929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Merilee R. Summerfield
- Credential
- PA
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- PA14929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10225 Austin Dr, Spring Valley, CA 91978
- Phone
- (619) 660-6003
- Enumerated
- Nov 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (619) 660-0296
- Medicare enrollment
- Enrolled (PECOS I20150721003256); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 10225 Austin Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanid Audish, DOFamily Medicine Physician1598975690
- Mary Deason, PTPhysical Therapist1336217603
- Darren Farnesi, M.D.Family Medicine Physician1811906175
- Robert Lipetz, D.O.Family Medicine Physician1467524785
- Anna Martinez, N.D.Naturopath1750683165
- Julianna Nikolic, B.S., LSNNutritionist1568695120
Verify Merilee R. Summerfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license PA14929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average family medicine physician in 2024
3,791 Medicare Part D claims for 486 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 72 claims were for opioids.
Most prescribed
- Levothyroxine Sodium211 claims
- Atorvastatin Calcium196 claims
- Losartan Potassium177 claims
- Amlodipine Besylate126 claims
- Montelukast Sodium126 claims
- Metoprolol Succinate118 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
- Sharpcare Medical Group ApcSpring Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
12 family medicine physician records list a practice address in Spring Valley
They are 12 of the 400 NPPES records with a practice address in Spring Valley, and 17,133 family medicine physician records in California.
All 12 in Spring Valley → All 17,133 in California → Every provider in Spring Valley →
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 Merilee R. Summerfield, PA's NPI number?
Merilee R. Summerfield, PA's National Provider Identifier (NPI) is 1467531988, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Merilee R. Summerfield, PA located?
The NPPES record lists a practice address at 10225 Austin Dr, Spring Valley, CA, 91978. Phone: (619) 660-6003. Providers update this record themselves, so call before visiting.
How can I verify Merilee R. Summerfield, PA's license?
NPPES lists California license number PA14929, 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 Merilee R. Summerfield, PA prescribe under Medicare Part D?
In 2024, Merilee R. Summerfield, PA had 3,791 Medicare Part D claims for 486 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.