Dr. Walter E. Donat, MD

  • Providence, RI
  • Pulmonologist
NPI1144244534
Medicare services, 2022
1,177
Part D claims, 2023
483
Hospital affiliations
1
Industry payments
$6,173
Medical group
1
Practice address
593 Eddy Street, Providence, RI 02902
Practice phone
Call (401) 444-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rhode Island Hospital

Hospital · Providence, Rhode Island

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Dr. Walter E. Donat is a pulmonologist in Providence, Rhode Island

Dr. Donat practices at Rhode Island Hospital in Providence, Rhode Island, part of Brown University Health.

Dr. Donat's NPI, 1144244534, was assigned on July 27, 2006. Dr. Donat graduated from Geisel School of Medicine at Dartmouth in 1977. Dr. Donat holds Rhode Island license 5594.

NPI and contact details
NPI enumeration date
July 27, 2006
NPI status
Active
Practice phone
(401) 444-4000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
75
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Walter E. Donat practices at Rhode Island Hospital in Providence, Rhode Island

Dr. Donat's primary practice is Rhode Island Hospital, at 593 Eddy Street, Providence, RI 02902 in Providence County. The practice phone is (401) 444-4000.

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Walter E. Donat is affiliated with 1 site of care and 1 medical group

Dr. Donat's primary practice is Rhode Island Hospital in Providence, Rhode Island, part of Brown University Health. The medical group on file is Roger Williams Medical Center.

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Walter E. Donat's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Donat practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rhode Island HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Walter E. Donat is one of 56 pulmonologists in Rhode Island

Pulmonary disease is Dr. Donat's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Donat is licensed in Rhode Island.

Specialties and state licenses

  • Pulmonary disease, Rhode IslandPrimaryLicense 5594 · taxonomy 207RP1001X

Pulmonologists near Dr. Donat

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Walter E. Donat billed Medicare for 1,177 services in 2022

CMS data shows 1,177 Medicare services from Dr. Donat across 8 procedure codes in 2022. Medicare paid $62,327 for them. Every service was in an office.

Medicare services, 20221,177
Paid by Medicare$62,327
Procedure codes8

Dr. Donat's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Office and hospital visits
2021: 1,0742022: 63241%
Tests and treatments
2021: 3662022: 54549%

Dr. Donat compared with the Rhode Island median for pulmonologists, 2022

  • Dr. Donat
  • Rhode Island median
Medicare services
1,177vs 3563.3 times
Part D claims
483vs 75936% below

Medians across 57 pulmonologists in Rhode Island with Dmand AI profiles that report each measure.

Dr. Donat's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Walter E. Donat's patients have a median age of 84

Across all payers, Dmand AI patient panel data puts Dr. Donat's median patient age at 84, with 55% women.

Dr. Donat's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 84

Patient panel by sex, all payers

  • Women55%
  • Men46%

Source: Dmand AI Patient Panel Data

Dr. Walter E. Donat wrote 483 Medicare Part D claims in 2023

In 2023, Dr. Donat wrote 483 Medicare Part D claims. They cover 13 drugs, with $187,761 in total drug cost. In 2022, CMS named 4,181 claims across 47 drugs.

Part D claims, 2023483
Drugs named by CMS13
Total drug cost$187,761

Dr. Donat's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 4,1812023: 48388%

Drugs named by CMS: 13 in 2023, 47 in 2022.

See all prescribing by Dr. Donat

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Walter E. Donat received $6,173 in industry payments from 2016 to 2022

CMS Open Payments shows 361 general payments to Dr. Donat from 29 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 98% of the total. GlaxoSmithKline, LLC. paid the most, $1,881.

General payments to Dr. Donat by program year, 2016 to 2022

General payments to Dr. Donat by kind, 2016 to 2022

$6.2Kin total
  • Food and beverage$6,07398%
  • Education$1002%

Companies that paid Dr. Donat the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Donat

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Walter E. Donat graduated from Geisel School of Medicine at Dartmouth

Dr. Donat graduated from Geisel School of Medicine at Dartmouth in 1977.

  1. Medical schoolGeisel School of Medicine at Dartmouth

Source: Dmand AI Professional Profile Data

Sources for Dr. Walter E. Donat's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Walter E. Donat

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Walter E. Donat's NPI number?

Dr. Walter E. Donat's NPI number is 1144244534. It was assigned on July 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Walter E. Donat?

Dr. Walter E. Donat is a pulmonologist in Providence, Rhode Island. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Walter E. Donat practice?

Dr. Donat practices at 593 Eddy Street, Providence, RI 02902. Dr. Donat's primary practice is Rhode Island Hospital in Providence, Rhode Island, part of Brown University Health.

What is Dr. Walter E. Donat's office phone number?

The practice phone on file for Dr. Donat is (401) 444-4000.

What is Dr. Walter E. Donat's medical license number?

Dr. Donat holds Rhode Island license 5594.

Which hospitals is Dr. Walter E. Donat affiliated with?

Dr. Donat practices at Rhode Island Hospital in Providence, Rhode Island.

What medical group is Dr. Walter E. Donat part of?

Dr. Donat is linked to Roger Williams Medical Center.

Does Dr. Walter E. Donat accept Medicare?

Yes. CMS data shows Dr. Donat billed Medicare for 1,177 services in 2022.

What services does Dr. Walter E. Donat bill to Medicare?

In 2022, Dr. Donat's most billed Medicare services were office visit, established patient (99213), lung function service (94375) and lung function service (94726).

Where did Dr. Walter E. Donat go to medical school?

Dr. Donat graduated from Geisel School of Medicine at Dartmouth in 1977.

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What drugs does Dr. Walter E. Donat prescribe most?

In 2023 Medicare Part D data, Dr. Donat's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Symbicort.

Has Dr. Walter E. Donat received payments from drug or device companies?

CMS Open Payments shows $6,173 in general payments to Dr. Donat from 29 companies from 2016 to 2022. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Walter E. Donat been practicing?

Dr. Donat graduated from medical school in 1977, 49 years ago.

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