Nathan McFarland, M.D
Internal Medicine Physician · Lakeside, CA
Nathan McFarland, M.D is an internal medicine physician with a practice address in Lakeside, California, and NPI 1265462196, issued on Jul 4, 2006. Check the license (California A75411, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nathan McFarland
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A75411 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10039 Vine St, Lakeside, CA 92040
- Phone
- (619) 390-9975
- Enumerated
- Jul 4, 2006
- Entity
- Type 1 · individual
Also registered at 10039 Vine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keely DahmsMental Health Counselor1225789811
- Zackary Fulks, DCChiropractor1407562531
- Zach GlascoxPhysician Assistant1891203105
- Joshua GunpatFamily Medicine Physician1114458775
- Christine Holman, NURSE PRACTITIONERNurse Practitioner1710683388
- Elizabeth Mannino, M.DFamily Medicine Physician1548290463
Verify Nathan McFarland in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A75411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
12% more Medicare Part D claims than the average internal medicine physician in 2024
3,132 Medicare Part D claims for 254 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 49 claims were for opioids.
Most prescribed
- Atorvastatin Calcium171 claims
- Gabapentin135 claims
- Omeprazole126 claims
- Trazodone Hcl125 claims
- Levothyroxine Sodium117 claims
- Metformin Hcl106 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.
Internal Medicine Physician providers in California
There are 20,403 internal medicine physician records in California.
Other internal medicine physician records in California
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- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Nathan McFarland, M.D's NPI number?
Nathan McFarland, M.D's National Provider Identifier (NPI) is 1265462196, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan McFarland, M.D located?
The NPPES record lists a practice address at 10039 Vine St, Lakeside, CA, 92040. Phone: (619) 390-9975. Providers update this record themselves, so call before visiting.
How can I verify Nathan McFarland, M.D's license?
NPPES lists California license number A75411, 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 Nathan McFarland, M.D prescribe under Medicare Part D?
In 2024, Nathan McFarland, M.D had 3,132 Medicare Part D claims for 254 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.