David Owen Maclachlan, MD
Internal Medicine Physician · Santa Ana, CA
David Owen Maclachlan, MD is an internal medicine physician with a practice address in Santa Ana, California, and NPI 1114430402, issued on Nov 9, 2017. Check the license (California G6626, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Owen Maclachlan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G6626 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10161 Broadview PL, Santa Ana, CA 92705
- Phone
- (714) 544-7175
- Enumerated
- Nov 9, 2017
- Record last updated
- Nov 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (714) 544-7314
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify David Owen Maclachlan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G6626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David Owen Maclachlan among 17,696 internal medicine physician records in California
David Owen Maclachlan, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Santa Ana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Frank Badin, M.D.Santa Ana, CA 927051962562850
- Richard Bock, M.D.Santa Ana, CA 927051699118216
- Jane Curtis, M.D.Santa Ana, CA 927051518018217
- Khai Do, M.D.Santa Ana, CA 927051396939526
- Xinming Fu, MDSanta Ana, CA 927051255381232
- Diane Kim, MDSanta Ana, CA 927051598824252
- Erica Kuhn, DONorth Tustin, CA 927051710095237
- Venkata Pulakanti, M.D.Santa Ana, CA 927051356521843
Common questions
What is David Owen Maclachlan, MD's NPI number?
David Owen Maclachlan, MD's National Provider Identifier (NPI) is 1114430402, issued on Nov 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is David Owen Maclachlan, MD located?
The NPPES record lists a practice address at 10161 Broadview PL, Santa Ana, CA, 92705. Phone: (714) 544-7175. Providers update this record themselves, so call before visiting.
How can I verify David Owen Maclachlan, MD's license?
NPPES lists California license number G6626, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.