DR. WALTER W IMMEL M.D.
NPI 1104826429
Internal Medicine - Gastroenterology in Springfield, VA

Q: What is Walter Immel's NPI number?

The NPI number for Walter Immel is 1104826429. It was assigned to this individual provider in the NPPES registry on July 28, 2005.

Q: What is Walter Immel'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 Walter Immel was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since July 28, 2005PECOS EnrolledAccepts Medicare Assignment

95.18/100

CMS Quality Rating

5510 ALMA LN, SPRINGFIELD, VA 22151(703) 642-5990(703) 642-5003 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Walter W Immel M.d. NPPES

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

DR. WALTER W IMMEL M.D. (NPI 1104826429) is an individual gastroenterology provider in Springfield, Virginia, licensed in Virginia (0101039106) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (1981).

NPPES Registry Identity

NPI1104826429

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WALTER W IMMELCredential: M.D.

Location Address5510 ALMA LNSpringfield, VA 22151-4012

Mailing Address5510 Alma LnSpringfield, VA 22151-4012 · (703) 642-5990 · Fax (703) 642-5003

Phone(703) 642-5990

Fax(703) 642-5003

Sole ProprietorNo

Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1981

Enumeration DateJuly 28, 2005

Last NPPES UpdateJuly 9, 2007

✔ NPI 1104826429 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 VA · 0101039106

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.

5510 ALMA LN, Springfield, VA 22151

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Other Identifiers 15

Other2900048VA · United Health Virginia

Other2900633VA · United Health Mid-atlanti

Medicare UPINB95107VA

Medicare ID-Type Unspecified000G40V39VA · Medicare

Medicaid5819393VA

Other630385VA · One Health Greatwest

Other51166VA · Mdipa/optimum Choice/mams

Other224009VA · Trigon Keyad

Other723556VA · Affordable First Health

Other1965376002VA · Cigna Hmo

Other2006963VA · Aetna/us Healthcare

Other224009VA · Healthkeepers

Other4091831VA · Ahp Mgd Choice

Other45560002VA · Bcbs Dc Capcare

Other505112VA · Ncppo

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. Walter W Immel 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 ID4789789595

PECOS Enrollment IDI20100723000262

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.

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.

227 services226 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.

220 services174 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 services111 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.

63 services61 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.

37 services37 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.

36 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22151 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

95.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

90.37

Improvement Activities

Reported Quality Measures

Age Appropriate Screening Colonoscopy

Lower rates are better for this measure.

0%1,260 patients

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients

100%606 patients

Colonoscopy Interval for Patients with a History of Adenomatous Polyps - Avoidance of Inappropriate Use

100%628 patients

Colorectal Cancer Screening

90%607 patients4/55-star benchmark: 100%

Controlling High Blood Pressure

92%133 patients4/55-star benchmark: 98%

Documentation of Current Medications in the Medical Record

99%1,417 patients4/55-star benchmark: 100%

One-Time Screening for Hepatitis C Virus (HCV) for all Patients

100%229 patients5/55-star benchmark: 98%

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.

Other Providers at the Same Location NPPES 15

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

FEVEN EYOB PA-C

Physician Assistant