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ANITA E. SPIESS M.D.
NPI 1609857457
Internal Medicine - Gastroenterology in Chandler, AZ

Active since November 09, 2005PECOS EnrolledAccepts Medicare Assignment
87.15/100
CMS Quality Rating
875 S. DOBSON RD, SUITE 1, CHANDLER, AZ 85224(480) 899-9800(480) 899-2994 Get Directions Write a Review

NPPES record last updated: April 1, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Anita E. Spiess M.d. NPPES

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

ANITA E. SPIESS M.D. (NPI 1609857457) is an individual gastroenterology provider in Chandler, Arizona, licensed in Arizona (51462) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1992).

NPPES Registry Identity

NPI1609857457
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameANITA E. SPIESSCredential: M.D.
Location Address875 S. DOBSON RD, SUITE 1Chandler, AZ 85224-5710
Mailing Address875 S. Dobson Rd, Suite 1Chandler, AZ 85224-5710 · (480) 899-9800 · Fax (480) 899-2994
Phone(480) 899-9800
Fax(480) 899-2994
Sole ProprietorYes
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1992
Enumeration DateNovember 9, 2005
Last NPPES UpdateApril 1, 2020
NPPES CertifiedApril 1, 2020
✔ NPI 1609857457 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 AZ · 51462✔ Licensed in IL · 036090531
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.
875 S. DOBSON RD, Chandler, AZ 85224
Open in Google Maps ↗

Other Identifiers 1

OtherL83787IL · Medicare Ptan

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

Anita E. Spiess 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 ID4486691219
PECOS Enrollment IDI20181210001923
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 11

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 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.
172 services171 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.
138 services137 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.
111 services110 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.
59 services51 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.
45 services45 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.
33 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85224 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

87.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality84.89
Improvement Activities40

Reported Quality Measures

Age Appropriate Screening Colonoscopy
Lower rates are better for this measure.
0%1,091 patients
Closing the Referral Loop: Receipt of Specialist Report
54%102 patients3/55-star benchmark: 87%
Colorectal Cancer Screening
87%2,276 patients4/55-star benchmark: 88%
Controlling High Blood Pressure
81%430 patients4/55-star benchmark: 91%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Anita Spiess's NPI number?

The NPI number for Anita Spiess is 1609857457. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is Anita Spiess located?

Anita Spiess practices at 875 S. Dobson Rd Suite 1, Chandler, AZ 85224. The listed phone number is (480) 899-9800.

What is Anita Spiess's specialty?

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

Is Anita Spiess enrolled in Medicare?

Yes. Anita Spiess 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 Anita Spiess was last updated on April 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.