Macey Linn Barnes, MD
Obstetrics & Gynecology Physician · Santa Monica, CA
Macey Linn Barnes, MD is an obstetrics & gynecology physician with a practice address in Santa Monica, California, and NPI 1861985285, issued on Jun 11, 2018. Check the license (California A177807, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Macey Linn Barnes
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A177807 CA
LL52628 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1245 16TH St Ste 202, Santa Monica, CA 90404
- Phone
- (310) 794-7274
- Enumerated
- Jun 11, 2018
- Record last updated
- Nov 8, 2022
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 1245 16TH St Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary-Ann Stothers, MDUrogynecology and Reconstructive Pelvic Surgery (Urology) Physician1801505441
Verify Macey Linn Barnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177807Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
48 Medicare Part D claims for 31 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Macey Linn Barnes among 5,088 obstetrics & gynecology physician records in California
Macey Linn Barnes, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Santa Monica → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Shamsah Amersi, M.D.Santa Monica, CA 904041699743112
- Tristan Bickman, MDSanta Monica, CA 904041245253210
- Yvonne Bohn, M.D.Santa Monica, CA 904041417058587
- Lawrence Bruksch, M.D.Santa Monica, CA 904041073562203
- Richard Frieder, MDSanta Monica, CA 904041457360687
- William Growdon, M.D.Santa Monica, CA 904041427154533
- Zeina Hijazi, M.DSanta Monica, CA 904041518920974
- Karla Iacampo, MDSanta Monica, CA 904041154339083
Common questions
What is Macey Linn Barnes, MD's NPI number?
Macey Linn Barnes, MD's National Provider Identifier (NPI) is 1861985285, issued on Jun 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Macey Linn Barnes, MD located?
The NPPES record lists a practice address at 1245 16TH St Ste 202, Santa Monica, CA, 90404. Phone: (310) 794-7274. Providers update this record themselves, so call before visiting.
How can I verify Macey Linn Barnes, MD's license?
NPPES lists California license number A177807, 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 Macey Linn Barnes, MD prescribe under Medicare Part D?
In 2024, Macey Linn Barnes, MD had 48 Medicare Part D claims for 31 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Macey Linn Barnes, MD's MIPS final score?
The 2023 MIPS final score is 77.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.