Double-Blind MethodEchocardiographyFamotidine
David D. Ralph
NPI1447335260
- Medicare services, 2022
- 12
- Part D claims, 2024
- 25
- Publications
- 18
- Clinical trials
- 1
- Industry payments
- $118
- Practice address
- 315 Martin Luther King Jr Way, Tacoma, WA 98405
- Practice phone
- Call (206) 598-4615
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find David Ralph's professional email, personal email and mobile number
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David D. Ralph is a pulmonologist in Tacoma, Washington
David Ralph practices in Tacoma, Washington.
David Ralph's NPI, 1447335260, was assigned on October 27, 2006. David Ralph graduated from Stanford University School of Medicine in 1972. David Ralph holds Washington license MD00014561.
NPI and contact details
- NPI
- 1447335260NPI Registry (opens in a new tab)
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Practice phone
- (206) 598-4615
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
David D. Ralph's practice address is in Tacoma, Washington
David Ralph's practice address in the NPI Registry is 315 Martin Luther King Jr Way, Tacoma, WA 98405, in Pierce County. The practice phone is (206) 598-4615.
- NPI Registry address315 Martin Luther King Jr Way, Tacoma, WA 98405 · Pierce CountyPhone(206) 598-4615
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at David D. Ralph's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Ralph practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| David Ralph's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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David D. Ralph is one of 294 pulmonologists in Washington
Pulmonary disease is David Ralph's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. David Ralph is licensed in Washington.
Specialties and state licenses
- Pulmonary disease, WashingtonPrimary
Pulmonologists near David Ralph
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
David D. Ralph billed Medicare for 12 services in 2022
CMS data shows 12 Medicare services from David Ralph across 1 procedure code in 2022, all of them office visits. Medicare paid $1,062 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202212
Paid by Medicare$1,062
Procedure codes1
David Ralph's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 612022: 1280%
- Tests and treatments
- 2021: 382022: 0100%
David Ralph compared with the Washington median for pulmonologists, 2022
- David Ralph
- Washington median
- Medicare services
- 12vs 35597% below
- Part D claims
- 38vs 49292% below
Medians across 294 pulmonologists in Washington with Dmand AI profiles that report each measure.
David Ralph'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.
Need commercial claims for David Ralph?
Medicare shows one payer. Book a meeting to get commercial claims data for David Ralph and other pulmonologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
David D. Ralph's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts David Ralph's median patient age at 52, with 50% women.
David Ralph's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
David D. Ralph wrote 25 Medicare Part D claims in 2024
In 2024, David Ralph wrote 25 Medicare Part D claims. 72% of them were for generic drugs. They cover 2 drugs, with $722,246 in total drug cost. In 2022, CMS named 700 claims across 13 drugs.
Part D claims, 202425
Drugs named by CMS2
Total drug cost$722,246
David Ralph's Part D claims by kind of drug, 2024
- Generic18 claims72%
- Brand-name and other7 claims28%
David Ralph'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: 7002023: 3895%
Drugs named by CMS: 2 in 2023, 13 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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David D. Ralph has 18 publications on record
Dmand AI links 18 papers to David Ralph, published from 2013 to 2025. 2017 was the busiest year, with 2. The most frequent topics are Hypertension, Pulmonary, Pulmonary Arterial Hypertension and Heart Failure. David Ralph has published most often in Ann Am Thorac Soc. David Ralph's most frequent co-authors are Peter Joseph Leary, MD, MS, David Alan Bluemke, MD and Steven Mark Kawut, MD.
Papers18
Years published2013 to 2025
David Ralph's papers by year, 2013 to 2025
Topics David Ralph writes about most
- Hypertension, Pulmonary
- Pulmonary Arterial Hypertension
- Heart Failure
- Heart Ventricles
- Echocardiography
- Familial Primary Pulmonary Hypertension
- Histamine H2 Antagonists
- Intensive Care Units
David Ralph's most frequent co-authors
- Peter Joseph Leary, MD, MS18 shared papers
- David Alan Bluemke, MD5 shared papers
- Steven Mark Kawut, MD5 shared papers
Recent publications by David Ralph
Angioplasty, BalloonHypertension, PulmonaryPulmonary Artery
Metabolomic Signatures Associated With Pulmonary Arterial Hypertension Outcomes (opens in a new tab)
Circ Res
Heart FailureHistidineHypertension, Pulmonary
J Heart Lung Transplant
Chemokine CXCL10Familial Primary Pulmonary HypertensionHypertension, Pulmonary
J Am Heart Assoc
DilatationFamilial Primary Pulmonary HypertensionHeart Ventricles
See who David Ralph researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who David Ralph works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
David D. Ralph has worked on 1 clinical trial
Dmand AI links David Ralph to 1 clinical trial. Conditions studied include Pulmonary Arterial Hypertension and Hypertension, Pulmonary.
Conditions in David Ralph's trials
- Pulmonary Arterial Hypertension
- Hypertension, Pulmonary
Investigators on the most trials with David Ralph
Recent clinical trials with David Ralph
Repurposing a Histamine Antagonist to Benefit Patients With Pulmonary Hypertension (opens in a new tab)
CompletedPhase 2
Pulmonary Arterial HypertensionHypertension, PulmonaryFamotidine 20 MG
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
David D. Ralph received $118 in industry payments in 2023
CMS Open Payments shows 1 general payment to David Ralph from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $118.
Companies that paid David Ralph the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
David D. Ralph graduated from Stanford University School of Medicine
David Ralph graduated from Stanford University School of Medicine in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for David D. Ralph's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David D. Ralph
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David D. Ralph's NPI number?
David D. Ralph's NPI number is 1447335260. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What does David D. Ralph specialize in?
David D. Ralph is a pulmonologist in Tacoma, Washington. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does David D. Ralph practice?
David Ralph practices at 315 Martin Luther King Jr Way, Tacoma, WA 98405.
What is David D. Ralph's office phone number?
The practice phone on file for David Ralph is (206) 598-4615.
What is David D. Ralph's medical license number?
David Ralph holds Washington license MD00014561.
Does David D. Ralph accept Medicare?
Yes. CMS data shows David Ralph billed Medicare for 12 services in 2022.
What services does David D. Ralph bill to Medicare?
In 2022, David Ralph's most billed Medicare services were office visit, established patient (99215).
Where did David D. Ralph go to medical school?
David Ralph graduated from Stanford University School of Medicine in 1972.
What drugs does David D. Ralph prescribe most?
In 2023 Medicare Part D data, David Ralph's most prescribed drugs by claims were Uptravi and Ambrisentan.
Has David D. Ralph received payments from drug or device companies?
CMS Open Payments shows $118 in general payments to David Ralph from 1 company from 2023 to 2023. The largest total came from GlaxoSmithKline, LLC.
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How long has David D. Ralph been practicing?
David Ralph graduated from medical school in 1972, 54 years ago.
Does David D. Ralph do research?
Dmand AI links 18 publications to David Ralph, published from 2013 to 2025. David Ralph has worked on 1 clinical trial.
Who does David D. Ralph publish with?
David Ralph's most frequent co-authors are Peter Joseph Leary, MD, MS (18 shared papers), David Alan Bluemke, MD (5 shared papers) and Steven Mark Kawut, MD (5 shared papers).
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