DR. WALTER A. HOLLINGER MD
NPI 1679663405
Internal Medicine in Providence, RI

Active since October 13, 2006PECOS EnrolledAccepts Medicare Assignment
21 PEACE ST, PROVIDENCE, RI 02907(401) 456-3649 Get Directions Write a Review

NPPES record last updated: November 7, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Walter A. Hollinger Md NPPES

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

DR. WALTER A. HOLLINGER MD (NPI 1679663405) is an individual internal medicine provider in Providence, Rhode Island, licensed in Rhode Island (MD11613) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Roger Williams Medical Center, and is a graduate of Pennsylvania State University College Of Medicine (2001).

NPPES Registry Identity

NPI1679663405
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WALTER A. HOLLINGERCredential: MD
Location Address21 PEACE STProvidence, RI 02907-1510
Mailing Address17117 Patriot WayWest Greenwich, RI 02817-6021
Sole ProprietorYes
Medical School CMSPennsylvania State University College Of MedicineGraduated 2001
Enumeration DateOctober 13, 2006
Last NPPES UpdateNovember 7, 2019
NPI 1679663405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in RI · MD11613
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
21 PEACE ST, Providence, RI 02907

Other Identifiers 1

Medicaid7057054RI

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 A. Hollinger 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 ID648238584
PECOS Enrollment IDI20041227000049
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 4

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 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.
147 services77 patients
Hemoglobin a1c level, by device for home use 83037
A Hemoglobin A1c device for home use allows you to check your average blood sugar levels over the past 3 months. It's a simple, painless test that provides immediate results, helping you manage your diabetes more effectively.
49 services30 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
19 services17 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 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.
19 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Roger Williams Medical Center

Acute Care Hospitals · Providence, RI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number410004
Location825 Chalkstone AvenueProvidence, RI 02908 · Providence County
Emergency services

Our Lady Of Fatima Hospital

Acute Care Hospitals · North Providence, RI
3/5 CMS rating
OwnershipProprietary
CMS Certification Number410005
Location200 High Service AvenueNorth Providence, RI 02904 · Providence County
Emergency services

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02907 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
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.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
20 suppliers131 claims257 services$5.42 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
15 suppliers50 claims59 services$0.88 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier13 claims13 services$29.21 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers34 claims34 services$59.72 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
4 suppliers14 claims1,673 services$0.03 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$168.35 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Clinic/Center (Urgent Care)
21 PEACE ST
PROVIDENCE, RI 02907
Orthopaedic Surgery
21 PEACE ST, CORPORATE CARE
PROVIDENCE, RI 02907
Interpreter
21 PEACE ST
PROVIDENCE, RI 02907
Dentist
21 PEACE ST, ST. JOSEPH PEDI. DENTAL
PROVIDENCE, RI 02907
Dentist
21 PEACE ST
PROVIDENCE, RI 02907
Physical Medicine & Rehabilitation
21 PEACE ST
PROVIDENCE, RI 02907
Family Medicine
21 PEACE ST
PROVIDENCE, RI 02907
Internal Medicine
21 PEACE ST
PROVIDENCE, RI 02907

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 Walter Hollinger's NPI number?

The NPI number for Walter Hollinger is 1679663405. It was assigned to this individual provider in the NPPES registry on October 13, 2006.

Where is Walter Hollinger located?

Walter Hollinger practices at 21 Peace St, Providence, RI 02907. The listed phone number is (401) 456-3649.

What is Walter Hollinger's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Walter Hollinger enrolled in Medicare?

Yes. Walter Hollinger 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.

Is Walter Hollinger affiliated with any hospitals?

According to CMS data, Walter Hollinger is affiliated with Roger Williams Medical Center, Our Lady Of Fatima Hospital, Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Walter Hollinger was last updated on November 7, 2019. 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.