Mark Barats, M.D.
Nephrology Physician · West Hollywood, CA
Mark Barats, M.D. is a nephrology physician with a practice address in West Hollywood, California, and NPI 1720134695, issued on Jan 25, 2007. Check the license (California A56228, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Barats
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A56228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 948 N Fairfax Ave, West Hollywood, CA 90046
- Phone
- (323) 654-2020
- Enumerated
- Jan 25, 2007
- Record last updated
- May 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (323) 654-2828
- Medicare enrollment
- Enrolled (PECOS I20040126000523); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 948 N Fairfax Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pavel Goykhman, M.D.Cardiovascular Disease Physician1174788665
- Xenia Loyola, LVNLicensed Vocational Nurse1326240391
Verify Mark Barats in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A56228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40.5 times the Medicare Part D claims of the average nephrology physician in 2024
59,388 Medicare Part D claims for 716 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 588 claims were for opioids.
Most prescribed
- Diclofenac Sodium1,711 claims
- Febuxostat1,683 claims
- Rosuvastatin Calcium1,649 claims
- Amlodipine Besylate1,156 claims
- Omeprazole-Sodium Bicarbonate1,023 claims
- Repatha Sureclick1,003 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 MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $4,556.08
256 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mark Barats MD A Professional CorporationWest Hollywood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Barats among 1,468 nephrology physician records in California
Mark Barats, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 35% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1984 · median 2001 among the 1,128 with a school on file
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in West Hollywood → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Janice Cuevas Rivera, MDLos Angeles, CA 900451801365820
- Firooz Pak, M.D.Los Angeles, CA 900451568462364
- James Wilson, MD, MSLos Angeles, CA 900451912943168
- Parvaneh Bahmani, M.D.Los Angeles, CA 900481609887678
- Guita Balakhane, M.D.,Los Angeles, CA 900481326027806
- Shrinath Barathan, M.D.Los Angeles, CA 900481710912068
- Alan Dauer, M.D.,Los Angeles, CA 900481164493508
- Stuart Friedman, M.D.Los Angeles, CA 900481679585715
Common questions
What is Mark Barats, M.D.'s NPI number?
Mark Barats, M.D.'s National Provider Identifier (NPI) is 1720134695, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Barats, M.D. located?
The NPPES record lists a practice address at 948 N Fairfax Ave, West Hollywood, CA, 90046. Phone: (323) 654-2020. Providers update this record themselves, so call before visiting.
How can I verify Mark Barats, M.D.'s license?
NPPES lists California license number A56228, 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 Mark Barats, M.D. prescribe under Medicare Part D?
In 2024, Mark Barats, M.D. had 59,388 Medicare Part D claims for 716 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Mark Barats, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.1 of 100. 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.