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DR. KATHERINE HAHN MD
NPI 1457697211
Internal Medicine - Gastroenterology in Beverly Hills, CA

Active since December 26, 2012PECOS EnrolledAccepts Medicare Assignment
85.71/100
CMS Quality Rating
8536 WILSHIRE BLVD # 302, BEVERLY HILLS, CA 90211(310) 248-8200 Get Directions Write a Review

NPPES record last updated: December 15, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 15, 2022, Nov 23, 2020, Aug 20, 2019 (3 updates tracked since 2019).

About Dr. Katherine Hahn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHERINE HAHN MD (NPI 1457697211) is an individual gastroenterology provider in Beverly Hills, California, licensed in California (A180073) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Northwestern University Feinberg Medical School (2011).

NPPES Registry Identity

NPI1457697211
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. KATHERINE HAHNCredential: MD
Location Address8536 WILSHIRE BLVD # 302Beverly Hills, CA 90211-3153
Mailing Address10770 Columbia Pike Ste 400Silver Spring, MD 20901-4462 · (124) 048-5521
Phone(310) 248-8200
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2011
Enumeration DateDecember 26, 2012
Last NPPES UpdateDecember 15, 20223 updates tracked since enumeration
NPPES CertifiedDecember 15, 2022
✔ NPI 1457697211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · A180073✔ Licensed in MD · D0088137
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License D0088137 (MD), BW2881921367 (NY)
8536 WILSHIRE BLVD # 302, Beverly Hills, CA 90211
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Secondary Practice Locations 2

Location 150 Richmar DrSayville, NY 11782-1431 · Phone (631) 807-9252
Location 210801 Lockwood Dr Ste 200Silver Spring, MD 20901-1562 · Phone (301) 593-2002 · Fax (301) 593-4781

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine Hahn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709116601
PECOS Enrollment IDI20221019001129
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
109 services47 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
73 services72 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
67 services65 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
41 services35 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
38 services37 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
35 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.67
Promoting Interoperability100
Improvement Activities40
Cost61.47

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHELLE KITTLESON MD PHD
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
8536 WILSHIRE BLVD # 302
BEVERLY HILLS, CA 90211
Los Angeles County (310) 248-8300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Hahn's NPI number?

The NPI number for Katherine Hahn is 1457697211. It was assigned to this individual provider in the NPPES registry on December 26, 2012.

Where is Katherine Hahn located?

Katherine Hahn practices at 8536 Wilshire Blvd # 302, Beverly Hills, CA 90211. The listed phone number is (310) 248-8200.

What is Katherine Hahn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Katherine Hahn enrolled in Medicare?

Yes. Katherine Hahn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Katherine Hahn was last updated on December 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.