NPPES file of Aug 9, 2026

Heidi Gayle Dahlem, M.D.

Internal Medicine Physician · Cedar Rapids, IA

Heidi Gayle Dahlem, M.D. is an internal medicine physician with a practice address in Cedar Rapids, Iowa, and NPI 1619001781, issued on Mar 14, 2007. Check the license (Iowa 37314, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619001781
Name
Heidi Gayle Dahlem
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
37314 IA
R-7258 IA
Self-reported in NPPES; status is on the state search
Practice location
543 7TH St SE, Cedar Rapids, IA 52401
Phone
(319) 861-7600
Enumerated
Mar 14, 2007
Record last updated
Jul 9, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(319) 861-7601
Medicare enrollment
Enrolled (PECOS I20070807000303); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 543 7TH St SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hima Doppalapudi, MDNephrology Physician1154975928
  2. Wei Li, M.D.Internal Medicine Physician1073751194
  3. Patricia O'Donnell, ARNPFamily Nurse Practitioner1891046058
  4. Valerie Pena PolancoInternal Medicine Physician1063064426
  5. Devin PutzFamily Nurse Practitioner1669336863
  6. Mallory Richardson, ARNPNurse Practitioner1316448418

Verify Heidi Gayle Dahlem in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 37314
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.6 times the Medicare Part D claims of the average internal medicine physician in 2024

11,354 Medicare Part D claims for 611 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 414 claims were for opioids.

  1. Heidi Dahlem11,354
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium647 claims
  2. Atorvastatin Calcium523 claims
  3. Omeprazole399 claims
  4. Rosuvastatin Calcium387 claims
  5. Lisinopril352 claims
  6. Gabapentin300 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mercy Physician Associates IncHiawatha, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

33 internal medicine physician records list a practice address in Cedar Rapids

They are 33 of the 2,949 NPPES records with a practice address in Cedar Rapids, and 871 internal medicine physician records in Iowa.

Other internal medicine physician records in Iowa

  1. Baha Abbad, MDWaterloo, IA1366050064
  2. Shazia Abbas, MDOttumwa, IA1205086998
  3. Duane Abbott, MDDes Moines, IA1417362666
  4. Ahmed Abdelhamid, MDIowa City, IA1306403795
  5. Mohammed Abdila, MDDavenport, IA1982338752
  6. Sidrah Abid, MDWaterloo, IA1497161830
  7. Thad Abrams, MDIowa City, IA1326022385
  8. Samer Abu Alula, M.D.Davenport, IA1447782578
  9. Hebah Abudawaba, MBBSIowa City, IA1518694405
  10. Arwa Aburizik, M.B., B.S.Iowa City, IA1356559298

Common questions

What is Heidi Gayle Dahlem, M.D.'s NPI number?

Heidi Gayle Dahlem, M.D.'s National Provider Identifier (NPI) is 1619001781, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Gayle Dahlem, M.D. located?

The NPPES record lists a practice address at 543 7TH St SE, Cedar Rapids, IA, 52401. Phone: (319) 861-7600. Providers update this record themselves, so call before visiting.

How can I verify Heidi Gayle Dahlem, M.D.'s license?

NPPES lists Iowa license number 37314, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Heidi Gayle Dahlem, M.D. prescribe under Medicare Part D?

In 2024, Heidi Gayle Dahlem, M.D. had 11,354 Medicare Part D claims for 611 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.