Katherine Hahn, MD
Gastroenterology Physician · Beverly Hills, CA
Katherine Hahn, MD is a gastroenterology physician with a practice address in Beverly Hills, California, and NPI 1457697211, issued on Dec 26, 2012. Check the license (California A180073, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Hahn
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A180073 CA
D0088137 MD
BW2881921367 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8536 Wilshire Blvd # 302, Beverly Hills, CA 90211
- Phone
- (310) 248-8200
- Enumerated
- Dec 26, 2012
- Record last updated
- Dec 15, 2022
- Medicare enrollment
- Enrolled (PECOS I20221019001129); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 8536 Wilshire Blvd # 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Kittleson, MD PHDAdvanced Heart Failure and Transplant Cardiology Physician1972607216
Verify Katherine Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180073Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average gastroenterology physician in 2024
398 Medicare Part D claims for 131 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Omeprazole83 claims
- Pantoprazole Sodium69 claims
- Sod Sulf-Potass Sulf-Mag Sulf42 claims
- Famotidine26 claims
- Linzess26 claims
- Motegrity16 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): 85.7 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).
Industry payments in 2024: $251.70
14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Cedars-Sinai Medical Care FoundationBeverly Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
Other gastroenterology physician records in California
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- Constante Abaya, MDOxnard, CA1003918459
- Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
- Basim Abdelkarim, MDUpland, CA1932217544
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
Common questions
What is Katherine Hahn, MD's NPI number?
Katherine Hahn, MD's National Provider Identifier (NPI) is 1457697211, issued on Dec 26, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Hahn, MD located?
The NPPES record lists a practice address at 8536 Wilshire Blvd # 302, Beverly Hills, CA, 90211. Phone: (310) 248-8200. Providers update this record themselves, so call before visiting.
How can I verify Katherine Hahn, MD's license?
NPPES lists California license number A180073, 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 Katherine Hahn, MD prescribe under Medicare Part D?
In 2024, Katherine Hahn, MD had 398 Medicare Part D claims for 131 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Katherine Hahn, MD's MIPS final score?
The 2023 MIPS final score is 85.7 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.