Sarah Merrill, MD
Family Medicine Physician · San Diego, CA
Sarah Merrill, MD is a family medicine physician with a practice address in San Diego, California, and NPI 1225399512, issued on Jun 3, 2012. Check the license (California A123492, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sarah Merrill
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A123492 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9909 Mira Mesa Blvd Ste 200, San Diego, CA 92131
- Phone
- (858) 657-7750
- Enumerated
- Jun 3, 2012
- Record last updated
- Jan 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (858) 566-2431
- Medicare enrollment
- Enrolled (PECOS I20141119000045); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 9909 Mira Mesa Blvd Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allison Flaim, DOFamily Medicine Physician1114149853
- Alexandra Grossman Moon, MD, MSWStudent in an Organized Health Care Education/Training Program1629590971
- Jessa LebensMarriage & Family Therapist1750159216
- James May, MDFamily Medicine Physician1740613256
Verify Sarah Merrill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A123492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
463 Medicare Part D claims for 80 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium34 claims
- Gabapentin27 claims
- Levothyroxine Sodium27 claims
- Losartan Potassium23 claims
- Lisinopril20 claims
- Escitalopram Oxalate17 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
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Merrill among 17,133 family medicine physician records in California
Sarah Merrill, MD is one of 17,133 family 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 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Timothy Barounis, M.D.San Diego, CA 921311790966877
- Angelica Bayardo, MDSan Diego, CA 921311023157724
- Neil Berkowitz, MDSan Diego, CA 921311750451035
- Nicole Chauche, M.D.San Diego, CA 921311053452300
- Keegan Duchicela, M.D.San Diego, CA 921311053552075
- Adrienne Ertl, M.D.San Diego, CA 921311427126895
- Allison Flaim, DOSan Diego, CA 921311114149853
- Geneen Gin, DOSan Diego, CA 921311144255217
Common questions
What is Sarah Merrill, MD's NPI number?
Sarah Merrill, MD's National Provider Identifier (NPI) is 1225399512, issued on Jun 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Merrill, MD located?
The NPPES record lists a practice address at 9909 Mira Mesa Blvd Ste 200, San Diego, CA, 92131. Phone: (858) 657-7750. Providers update this record themselves, so call before visiting.
How can I verify Sarah Merrill, MD's license?
NPPES lists California license number A123492, 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 Sarah Merrill, MD prescribe under Medicare Part D?
In 2024, Sarah Merrill, MD had 463 Medicare Part D claims for 80 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.