WILLIAM NELSON KATKOV M.D.
NPI 1386693646
Internal Medicine - Gastroenterology in Santa Monica, CA

Q: What is William Katkov's NPI number?

The NPI number for William Katkov is 1386693646. It was assigned to this individual provider in the NPPES registry on May 6, 2006.

Q: What is William Katkov's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Katkov was last updated on December 19, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 06, 2006PECOS EnrolledAccepts Medicare Assignment

85.71/100

CMS Quality Rating

2001 SANTA MONICA BLVD, SUITE 360W, SANTA MONICA, CA 90404(310) 453-1871(310) 453-1871 Get Directions Write a Review

NPPES record last updated: December 19, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About William Nelson Katkov M.d. NPPES

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

WILLIAM NELSON KATKOV M.D. (NPI 1386693646) is an individual gastroenterology provider in Santa Monica, California, licensed in California (G54468) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1983).

NPPES Registry Identity

NPI1386693646

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWILLIAM NELSON KATKOVCredential: M.D.

Location Address2001 SANTA MONICA BLVD, SUITE 360WSanta Monica, CA 90404-2102

Mailing Address2001 Santa Monica Blvd, Suite 360wSanta Monica, CA 90404-2102 · (310) 453-1871 · Fax (310) 453-1871

Phone(310) 453-1871

Fax(310) 453-1871

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1983

Enumeration DateMay 6, 2006

Last NPPES UpdateDecember 19, 2007

✔ NPI 1386693646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · G54468

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.

2001 SANTA MONICA BLVD, Santa Monica, CA 90404

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Other Identifiers 3

Medicare UPINA93304

Medicaid00G544680CA

Medicare PINWG54468C

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

William Nelson Katkov M.d. 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 ID8921072281

PECOS Enrollment IDI20071114000251

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 15

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.

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.

161 services157 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.

145 services138 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.

142 services142 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

137 services116 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

136 services136 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

135 services122 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

109 services64 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

94 services94 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

46 services46 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.

38 services38 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

33 services29 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

29 services29 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

25 services25 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

21 services21 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 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

Quality

85.67

Promoting Interoperability

100

Improvement Activities

Cost

61.47

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Other Providers at the Same Location NPPES 20

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

STEVEN H. SILVERS, D.P.M.

Podiatrist (Foot & Ankle Surgery)

2001 SANTA MONICA BLVD, SUITE 983W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-2299

GREGORY J COLMAN MD

Dermatology

2001 SANTA MONICA BLVD, 990W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-4484

MILTON KRISILOFF MD

Urology

2001 SANTA MONICA BLVD, SUITE 1165 W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-7766

SANTA MONICA BAY AREA PHYSICIANS

Family Medicine

2001 SANTA MONICA BLVD, 1070
SANTA MONICA, CA 90404

Los Angeles County (310) 315-7900

STEPHEN LOUIS KUCHENBECKER

Surgery

2001 SANTA MONICA BLVD, 460 W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-9400

LAUREN L REAGER A CALIFORNIA MEDICAL CORPORATION

Dermatology

2001 SANTA MONICA BLVD, SUITE 990W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-4484

ABERGEL INSTITUTE

Dermatology

2001 SANTA MONICA BLVD, SUITE 1250 W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-2005

PETER M LOISIDES MD, INC

Urology

2001 SANTA MONICA BLVD, SUITE 590W
SANTA MONICA, CA 90404

Los Angeles County (310) 829-0039

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 William Katkov's NPI number?

The NPI number for William Katkov is 1386693646. It was assigned to this individual provider in the NPPES registry on May 6, 2006.

Where is William Katkov located?

William Katkov practices at 2001 Santa Monica Blvd Suite 360W, Santa Monica, CA 90404. The listed phone number is (310) 453-1871.

What is William Katkov's specialty?

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

Is William Katkov enrolled in Medicare?

Yes. William Katkov 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 William Katkov was last updated on December 19, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.