WALTER DONAT M.D.
NPI 1144244534
Internal Medicine - Pulmonary Disease in East Greenwich, RI

Q: What is Walter Donat's NPI number?

The NPI number for Walter Donat is 1144244534. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Q: What is Walter Donat's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Walter Donat was last updated on July 8, 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 27, 2006PECOS Enrolled

1285 S COUNTY TRL, EAST GREENWICH, RI 02818(401) 886-7910(401) 886-7913 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Walter Donat M.d. NPPES

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

WALTER DONAT M.D. (NPI 1144244534) is an individual pulmonary disease provider in East Greenwich, Rhode Island, licensed in Rhode Island (5594) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144244534

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameWALTER DONATCredential: M.D.

Location Address1285 S COUNTY TRLEast Greenwich, RI 02818-1620

Mailing Address1285 S County TrlEast Greenwich, RI 02818-1620 · (401) 886-7910 · Fax (401) 886-7913

Phone(401) 886-7910

Fax(401) 886-7913

Sole ProprietorYes

Enumeration DateJuly 27, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1144244534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in RI · 5594

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

1285 S COUNTY TRL, East Greenwich, RI 02818

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Other Identifiers 2

Medicare ID-Type Unspecified007010027RI

Medicare UPINC90533RI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Walter Donat M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Walter Donat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prospect Chartercare Rwmc, LLC

12 mi

Internal Medicine

825 CHALKSTONE AVE
Providence, RI 02908

Reassigned Medicare billing, Rhode Island enrollment
162 clinicians in this Medicare group

NPI 1285059287 (401) 456-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02818 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.

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.

Reported Quality Measures

Chronic Obstructive Pulmonary Disease (COPD): Spirometry Evaluation

Percentage of patients aged 18 years and older with a diagnosis of COPD who had spirometry results documented

76%619 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

42%3,108 patients1/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

37%1,214 patients2/55-star benchmark: 95%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

34%1,812 patients2/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

15%101 patients1/55-star benchmark: 100%

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.

Referred Medical Equipment & Supplies CMS DME claims 24

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

10 suppliers73 claims73 services$35.73 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

4 suppliers18 claims34 services$1.14 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable A7005

DME-Other DME · category DE000N

5 suppliers12 claims12 services$9.08 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

7 suppliers46 claims46 services$83.03 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

5 suppliers41 claims113 services$28.64 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

5 suppliers24 claims127 services$16.77 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

8 suppliers30 claims143 services$13.68 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

8 suppliers50 claims50 services$47.35 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

10 suppliers54 claims54 services$17.25 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

4 suppliers14 claims14 services$10.80 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

8 suppliers83 claims454 services$2.12 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

5 suppliers15 claims15 services$5.32 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

9 suppliers44 claims44 services$11.63 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

6 suppliers80 claims80 services$13.05 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

1 supplier12 claims12 services$74.68 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

3 suppliers81 claims81 services$3.06 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

5 suppliers57 claims57 services$27.38 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

7 suppliers160 claims160 services$60.58 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers47 claims47 services$33.53 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

9 suppliers36 claims8,767 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

7 suppliers47 claims5,670 services$0.09 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

3 suppliers24 claims1,440 services$0.79 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

2 suppliers16 claims16 services$28.72 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

18 suppliers100 claims100 services$23.07 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 13

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

LISA PINKES RNP

Nurse Practitioner (Family)

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 256-7573

MISS JESSICA ANNE BUTT NURSE PRACTITIONER

Nurse Practitioner (Family)

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 886-0902

PAGE SULLIVAN

Nurse Practitioner (Family)

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (866) 389-2727

BRYAN VACHON

Pharmacist

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 886-0902

CHRISTOPHER MICHAEL LAVIGNE PHARMD, RPH

Pharmacist

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 886-0902

KRISTINA WALLACE BARBONE FNP

Nurse Practitioner (Family)

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 886-0902

MRS. INGRID KRISTA MAHONEY FNP-C

Nurse Practitioner (Family)

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 886-0902

ASHLEY MARIE BABIEC MSN, NP-C

Nurse Practitioner (Family)

1285 S COUNTY TRL
EAST GREENWICH, RI 02818

Kent County (401) 886-0902

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 Donat's NPI number?

The NPI number for Walter Donat is 1144244534. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Walter Donat located?

Walter Donat practices at 1285 S County Trl, East Greenwich, RI 02818. The listed phone number is (401) 886-7910.

What is Walter Donat's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Walter Donat enrolled in Medicare?

Yes. Walter Donat is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Walter Donat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Walter Donat reassigns Medicare benefits to Prospect Chartercare Rwmc, LLC (Providence, RI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Walter Donat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Walter Donat was last updated on July 8, 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.