Dr. David W. Whalen, MD

  • Grand Rapids, MI
  • Emergency medicine physician
NPI1295777449PAC ID5597768804
Medicare services, 2024
226
Medicare patients, 2024
193
Part D claims, 2024
158
Publications
5
Hospital affiliations
1
Practice address
200 Jefferson Avenue SE, Grand Rapids, MI 49503
Practice phone
Call (616) 685-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Trinity Health Grand Rapids Hospital

Hospital · Grand Rapids, Michigan

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Dr. David W. Whalen is an emergency medicine physician in Grand Rapids, Michigan

Dr. Whalen practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health.

Dr. Whalen's NPI, 1295777449, was assigned on June 12, 2006. Dr. Whalen graduated from University of Michigan Medical School in 2003. Dr. Whalen holds Michigan license 4301087452.

NPI and contact details
Medicare PAC ID
5597768804
NPI enumeration date
June 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 685-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. David W. Whalen practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan

Dr. Whalen's primary practice is Trinity Health Grand Rapids Hospital, at 200 Jefferson Avenue SE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 685-5000.

Source: Dmand AI Affiliation Data

Dr. David W. Whalen is affiliated with 1 site of care and 1 medical group

Dr. Whalen's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health. The medical group on file is Grand River Emergency Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. David W. Whalen's practice

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

EHR by site
SiteEHR vendor and product
Trinity Health Grand Rapids HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David W. Whalen is one of 2,045 emergency medicine physicians in Michigan

Emergency medicine is Dr. Whalen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Whalen is licensed in Michigan.

Specialties and state licenses

  • Emergency medicine, MichiganPrimaryLicense 4301087452 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Whalen

Counts of emergency medicine physicians 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. David W. Whalen billed Medicare for 226 services in 2024

CMS data shows 226 Medicare services from Dr. Whalen across 4 procedure codes in 2024, for 193 Medicare patients. Medicare paid $19,069 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024226
Medicare patients193
Paid by Medicare$19,069
Procedure codes4

Dr. Whalen's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2572024: 18329%
Tests and treatments
2023: 572024: 4325%

Dr. Whalen compared with the Michigan median for emergency medicine physicians, 2024

  • Dr. Whalen
  • Michigan median
Medicare services
226vs 234Close to median
Medicare patients
193vs 21410% below
Part D claims
52vs 4613% above

Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.

Dr. Whalen'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 Dr. Whalen

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

Dr. David W. Whalen treated 193 Medicare patients in 2024, average age 67

CMS counts 193 Medicare patients who saw Dr. Whalen in 2024. The largest group is 65 to 74, with 62 patients. 74% of them have high blood pressure, and 65% have high cholesterol. 50% are also on Medicaid. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Whalen's median patient age at 53, with 57% women.

Medicare patients, 2024193
Average age67
Average risk score1.92
Also on Medicaid50%

Dr. Whalen's Medicare patients by age, 2024

Dr. Whalen's Medicare patients by sex, 2024

  • Women10956%
  • Men8444%

Chronic conditions among Dr. Whalen's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol65%
  3. Mood disorders55%
  4. Arthritis49%
  5. Anxiety48%
  6. Depression48%
  7. Chronic kidney disease37%
  8. Diabetes30%

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

Dr. Whalen's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Dr. David W. Whalen wrote 158 Medicare Part D claims in 2024

In 2024, Dr. Whalen wrote 158 Medicare Part D claims for 125 patients. 91% of them were for generic drugs. CMS names the drug for 52 of them, across 3 drugs with 11 or more claims each, at $241 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.

Part D claims, 2024158
Drugs named by CMS3
Total drug cost$241
Part D patients125

Dr. Whalen's Part D claims by kind of drug, 2024

  • Generic143 claims91%
  • Brand-name15 claims9%

Dr. Whalen'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 Dr. Whalen's Part D claims, 2024

  • Antibiotics42%67 of 158 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: 292024: 5279%

Drugs named by CMS: 3 in 2024, 2 in 2023.

See all prescribing by Dr. Whalen

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

How Dr. David W. Whalen takes part in Medicare

Dr. Whalen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. David W. Whalen has 5 publications on record

Dmand AI links 5 papers to Dr. Whalen, published from 2012 to 2018. 2018 was the busiest year, with 2. The most frequent topics are Anti-Bacterial Agents, Chlamydia trachomatis and Emergency Service, Hospital. Dr. Whalen has published most often in Am J Emerg Med. Dr. Whalen's most frequent co-authors are Roman Igorevich Krivochenitser, MD, Mariah Barnes, MD and Michael G. Shaheen, DO.

Papers5
Years published2012 to 2018

Dr. Whalen's papers by year, 2012 to 2018

Topics Dr. Whalen writes about most

  • Anti-Bacterial Agents
  • Chlamydia trachomatis
  • Emergency Service, Hospital
  • Gonorrhea
  • Neisseria gonorrhoeae

Dr. Whalen's most frequent co-authors

Recent publications by Dr. Whalen

See all 5 publications and co-authors

See who Dr. Whalen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Whalen works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. David W. Whalen received $11 in industry payments in 2019

CMS Open Payments shows 1 general payment to Dr. Whalen from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $11.

Companies that paid Dr. Whalen the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Whalen

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

Dr. David W. Whalen graduated from University of Michigan Medical School

Dr. Whalen graduated from University of Michigan Medical School in 2003.

  1. Medical schoolUniversity of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Dr. David W. Whalen'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 Data
Primary practice, affiliations and health systemDmand 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. David W. Whalen

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. David W. Whalen's NPI number?

Dr. David W. Whalen's NPI number is 1295777449. It was assigned on June 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David W. Whalen?

Dr. David W. Whalen is an emergency medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. David W. Whalen practice?

Dr. Whalen practices at 200 Jefferson Avenue SE, Grand Rapids, MI 49503. Dr. Whalen's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health.

What is Dr. David W. Whalen's office phone number?

The practice phone on file for Dr. Whalen is (616) 685-5000.

What is Dr. David W. Whalen's medical license number?

Dr. Whalen holds Michigan license 4301087452.

Which hospitals is Dr. David W. Whalen affiliated with?

Dr. Whalen practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan.

What medical group is Dr. David W. Whalen part of?

Dr. Whalen is linked to Grand River Emergency Medical Group.

Does Dr. David W. Whalen accept Medicare?

Yes. CMS data shows Dr. Whalen billed Medicare for 226 services in 2024, and Dr. Whalen accepts Medicare assignment.

How many Medicare patients does Dr. David W. Whalen see?

CMS counts 193 Medicare patients who saw Dr. Whalen in 2024, with an average age of 67.

What services does Dr. David W. Whalen bill to Medicare?

In 2024, Dr. Whalen's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Show 6 more questionsShow fewer questions

Where did Dr. David W. Whalen go to medical school?

Dr. Whalen graduated from University of Michigan Medical School in 2003.

What drugs does Dr. David W. Whalen prescribe most?

In 2024 Medicare Part D data, Dr. Whalen's most prescribed drugs by claims were Cephalexin, Prednisone and Ondansetron ODT.

Has Dr. David W. Whalen received payments from drug or device companies?

CMS Open Payments shows $11 in general payments to Dr. Whalen from 1 company from 2019 to 2019. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. David W. Whalen been practicing?

Dr. Whalen graduated from medical school in 2003, 23 years ago.

Does Dr. David W. Whalen do research?

Dmand AI links 5 publications to Dr. Whalen, published from 2012 to 2018.

Who does Dr. David W. Whalen publish with?

Dr. Whalen's most frequent co-authors are Roman Igorevich Krivochenitser, MD (2 shared papers), Mariah Barnes, MD (1 shared paper) and Michael G. Shaheen, DO (1 shared paper).

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