David L. Irwin

  • Bethlehem, PA
  • Hospitalist
NPI1467987081PAC ID7911323126
Medicare services, 2024
861
Medicare patients, 2024
354
Part D claims, 2024
261
MIPS score, 2024
97
Hospital affiliations
4
Practice address
801 Ostrum St, Bethlehem, PA 18015
Practice phone
Call (610) 954-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

St Lukes University Hospital Bethlehem

Bethlehem, Pennsylvania

See all 8 affiliations

Find David Irwin's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

David L. Irwin is a hospitalist in Bethlehem, Pennsylvania

David Irwin practices at St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania.

David Irwin's NPI, 1467987081, was assigned on April 21, 2017. David Irwin graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2017. David Irwin holds New York license 305964.

NPI and contact details
Medicare PAC ID
7911323126
NPI enumeration date
April 21, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(610) 954-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
35
Medical school graduation
2017

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

David L. Irwin practices at St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania

David Irwin's primary practice is St Lukes University Hospital Bethlehem, at 801 Ostrum St, Bethlehem, PA 18015 in Northampton County. The practice phone is (610) 954-4000.

  • St Lukes University Hospital Bethlehem
    801 Ostrum St, Bethlehem, PA 18015 · Northampton CountyPhone(610) 954-4000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

David L. Irwin is affiliated with 6 sites of care and 2 medical groups

David Irwin's primary practice is St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania. David Irwin is also affiliated with St. Luke's University Hospital - Bethlehem Campus. The medical group on file is St. Luke's South Mountain Family Practice. Dmand AI also links David Irwin to 3 more hospitals, 1 home health agency and 1 medical group, each named with a free account.

See all 8 affiliations for David Irwin

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at David L. Irwin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where David Irwin practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St Lukes University Hospital BethlehemAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where David Irwin practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

David L. Irwin is one of 1,233 hospitalists in Pennsylvania

Hospitalist is David Irwin's primary specialty in the NPI Registry, under taxonomy code 208M00000X. David Irwin is licensed in New York.

Specialties and state licenses

  • Hospitalist, New YorkPrimaryLicense 305964 · taxonomy 208M00000X

Hospitalists near David Irwin

Counts of hospitalists 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 L. Irwin billed Medicare for 861 services in 2024

CMS data shows 861 Medicare services from David Irwin across 5 procedure codes in 2024, for 354 Medicare patients. Medicare paid $67,919 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024861
Medicare patients354
Paid by Medicare$67,919
Procedure codes5

David Irwin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7202024: 86120%

David Irwin compared with the Pennsylvania median for hospitalists, 2024

  • David Irwin
  • Pennsylvania median
Medicare services
861vs 4132.1 times
Medicare patients
354vs 20672% above
Part D claims
57vs 6816% below

Medians across 1,187 hospitalists in Pennsylvania with Dmand AI profiles that report each measure.

David Irwin's most billed Medicare procedure codes, 2024

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

See all procedures by David Irwin

Need commercial claims for David Irwin?

Medicare shows one payer. Book a meeting to get commercial claims data for David Irwin and other hospitalists in Pennsylvania.

Book a meeting

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

David L. Irwin treated 354 Medicare patients in 2024, average age 77

CMS counts 354 Medicare patients who saw David Irwin in 2024. The largest group is 75 to 84, with 131 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts David Irwin's median patient age at 73, with 51% women.

Medicare patients, 2024354
Average age77
Average risk score2.67
Also on Medicaid18%

David Irwin's Medicare patients by age, 2024

David Irwin's Medicare patients by sex, 2024

  • Women16246%
  • Men19254%

Chronic conditions among David Irwin's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease63%
  4. Arthritis57%
  5. Diabetes53%
  6. Ischemic heart disease52%
  7. Anxiety51%
  8. Heart failure51%

Share of Medicare patients with each condition. A patient can have several.

David Irwin's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

David L. Irwin wrote 261 Medicare Part D claims in 2024

In 2024, David Irwin wrote 261 Medicare Part D claims for 123 patients. 87% of them were for generic drugs. CMS names the drug for 57 of them, across 4 drugs with 11 or more claims each, at $207 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.

Part D claims, 2024261
Drugs named by CMS4
Total drug cost$207
Part D patients123

David Irwin's Part D claims by kind of drug, 2024

  • Generic227 claims87%
  • Brand-name and other34 claims13%

David Irwin's most prescribed drugs by claims, 2024

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

Drug classes CMS tracks in David Irwin's Part D claims, 2024

  • Antibiotics16%42 of 261 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 302024: 5790%

Drugs named by CMS: 4 in 2024, 2 in 2023.

See all prescribing by David Irwin

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

David L. Irwin scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for David Irwin for performance year 2024, reported through an alternative payment model (APM). David Irwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

David Irwin's MIPS scores, performance year 2024

  • 97of 100Final score
  • 82.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find hospitalists like David Irwin by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

David L. Irwin received $30 in industry payments in 2020

CMS Open Payments shows 1 general payment to David Irwin from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Si-bone, Inc. paid the most, $30.

Companies that paid David Irwin the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to David Irwin

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

David L. Irwin graduated from Lake Erie College of Osteopathic Medicine - Seton Hill

David Irwin graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2017.

  1. Medical schoolLake Erie College of Osteopathic Medicine - Seton Hill

Source: Dmand AI Professional Profile Data

Sources for David L. Irwin'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 David L. Irwin

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 L. Irwin's NPI number?

David L. Irwin's NPI number is 1467987081. It was assigned on April 21, 2017, and it is active in the NPI Registry.

What does David L. Irwin specialize in?

David L. Irwin is a hospitalist in Bethlehem, Pennsylvania. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does David L. Irwin practice?

David Irwin practices at 801 Ostrum St, Bethlehem, PA 18015. David Irwin's primary practice is St Lukes University Hospital Bethlehem in Bethlehem, Pennsylvania. Dmand AI also links David Irwin to 3 hospitals, 1 home health agency and 1 medical group.

What is David L. Irwin's office phone number?

The practice phone on file for David Irwin is (610) 954-4000.

What is David L. Irwin's medical license number?

David Irwin holds New York license 305964.

Which hospitals is David L. Irwin affiliated with?

David Irwin is affiliated with St. Luke's University Hospital - Bethlehem Campus. Dmand AI links David Irwin to 3 more hospitals.

What medical group is David L. Irwin part of?

David Irwin is linked to St. Luke's South Mountain Family Practice. Dmand AI links David Irwin to 1 more medical group.

Does David L. Irwin accept Medicare?

Yes. CMS data shows David Irwin billed Medicare for 861 services in 2024, and David Irwin accepts Medicare assignment.

What is David L. Irwin's MIPS score?

David Irwin's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does David L. Irwin see?

CMS counts 354 Medicare patients who saw David Irwin in 2024, with an average age of 77.

Show 5 more questionsShow fewer questions

What services does David L. Irwin bill to Medicare?

In 2024, David Irwin's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99239).

Where did David L. Irwin go to medical school?

David Irwin graduated from Lake Erie College of Osteopathic Medicine - Seton Hill in 2017.

What drugs does David L. Irwin prescribe most?

In 2024 Medicare Part D data, David Irwin's most prescribed drugs by claims were Prednisone, Pantoprazole Sodium and Furosemide.

Has David L. Irwin received payments from drug or device companies?

CMS Open Payments shows $30 in general payments to David Irwin from 1 company from 2020 to 2020. The largest total came from Si-bone, Inc.

How long has David L. Irwin been practicing?

David Irwin graduated from medical school in 2017, 9 years ago.

Selling to hospitalist practices?

See hospitalists in Pennsylvania by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)