ANDREW KEES ROORDA M.D.
NPI 1881861540
Internal Medicine - Gastroenterology in Palo Alto, CA

Q: What is Andrew Roorda's NPI number?

The NPI number for Andrew Roorda is 1881861540. It was assigned to this individual provider in the NPPES registry on May 13, 2008.

Q: What is Andrew Roorda'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 Andrew Roorda was last updated on June 18, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 13, 2008PECOS EnrolledAccepts Medicare Assignment

300 PASTEUR DR, PALO ALTO, CA 94304(304) 293-4123 Get Directions Write a Review

NPPES record last updated: June 18, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Andrew Kees Roorda M.d. NPPES

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

ANDREW KEES ROORDA M.D. (NPI 1881861540) is an individual gastroenterology provider in Palo Alto, California, licensed in California (A101729) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1881861540

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameANDREW KEES ROORDACredential: M.D.

Location Address300 PASTEUR DRPalo Alto, CA 94304-2203

Mailing Address2690 Hanover StPalo Alto, CA 94304-1117 · (304) 293-4123 · Fax (304) 293-2135

Phone(304) 293-4123

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateMay 13, 2008

Last NPPES UpdateJune 18, 2013

✔ NPI 1881861540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in CA · A101729✔ Licensed in WV · 23265

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.

300 PASTEUR DR, Palo Alto, CA 94304

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Other Identifiers 2

Medicaid3810020465WV

Medicare PINWV0287AWV

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

Andrew Kees Roorda 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 ID2163692872

PECOS Enrollment IDI20120705000522

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 14

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.

Established patient office or other outpatient visit, 30-39 minutes 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.

176 services129 patients

Initial hospital inpatient care per day, typically 70 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

166 services158 patients

Established patient office or other outpatient visit, 20-29 minutes 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.

124 services108 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.

108 services102 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.

95 services94 patients

New patient office or other outpatient visit, 45-59 minutes 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.

76 services76 patients

Follow-up hospital inpatient care per day, typically 25 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.

50 services32 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.

31 services31 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.

26 services24 patients

Established patient office or other outpatient visit, 10-19 minutes 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

15 services15 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.

14 services14 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

14 services13 patients

Upper gastrointestinal (GI) endoscopy for acid reflux NAN12

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

0 services174 patients

Colonoscopy NAN13

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

0 services167 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94304 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

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

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.

PAUL DAVID MARTIN M.D.

Anesthesiology

300 PASTEUR DR
PALO ALTO, CA 94304

Santa Clara County (650) 723-4000

IRENE H JUN MD

Pediatrics

300 PASTEUR DR, SUMC - PEDS PHYSICIAN BILLING MC: 5530
PALO ALTO, CA 94304

Santa Clara County (465) 049-8739

DR. DEBORAH DEE SANDERSON PHYSICAL THERAPIST

Physical Therapist

300 PASTEUR DR
PALO ALTO, CA 94304

Santa Clara County (650) 723-6701

DR. MOLLY TIMMERMAN DO

Physical Medicine & Rehabilitation

300 PASTEUR DR
PALO ALTO, CA 94304

Santa Clara County (650) 723-2206

DR. CATHERINE SHARMAN REID MD

Anesthesiology

300 PASTEUR DR, DEPARTMENT OF ANESTHESIA, H3580
PALO ALTO, CA 94304

Santa Clara County (650) 723-7377

DR. ZINA SEMENOVSKAYA MD

Emergency Medicine

300 PASTEUR DR
PALO ALTO, CA 94304

Santa Clara County (718) 836-6600

JULIE G REED R.N.

Nurse Practitioner (Pediatrics)

300 PASTEUR DR
PALO ALTO, CA 94304

Santa Clara County (650) 723-4000

RANAK B TRIVEDI

Psychologist

300 PASTEUR DR
PALO ALTO, CA 94304

Santa Clara County (650) 723-2515

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 Andrew Roorda's NPI number?

The NPI number for Andrew Roorda is 1881861540. It was assigned to this individual provider in the NPPES registry on May 13, 2008.

Where is Andrew Roorda located?

Andrew Roorda practices at 300 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (304) 293-4123.

What is Andrew Roorda's specialty?

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

Is Andrew Roorda enrolled in Medicare?

Yes. Andrew Roorda 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 Andrew Roorda was last updated on June 18, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.