Heidi Dahlem, M.D.
NPI 1619001781 · Internal Medicine Physician · Cedar Rapids, IA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heidi Dahlem, M.D. is a Internal Medicine Physician provider in Cedar Rapids, IA (NPI 1619001781).
Provider details
- NPI number
- 1619001781
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- R-7258 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,180 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 689 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 478 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 257 | $120 |
| Hemoglobin A1c Level83036 | 181 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 176 | $84 |
| Administration of Influenza Virus VaccineG0008 | 89 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 161 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 647 | 143 |
| Atorvastatin Calcium | 523 | 124 |
| Omeprazole | 399 | 101 |
| Rosuvastatin Calcium | 387 | 107 |
| Lisinopril | 352 | 89 |
| Gabapentin | 300 | 73 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2008-07-09
Frequently asked questions
- What is Heidi Dahlem's NPI number?
- Heidi Dahlem's National Provider Identifier (NPI) is 1619001781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heidi Dahlem's specialty?
- Heidi Dahlem is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heidi Dahlem located?
- Heidi Dahlem's practice location on file with NPPES is 543 7th St Se, Cedar Rapids, IA 52401-1929.
- What is Heidi Dahlem's phone number?
- The practice phone number listed in the NPPES registry for Heidi Dahlem is (319) 861-7600.
- Does Heidi Dahlem accept Medicare?
- Heidi Dahlem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heidi Dahlem's NPI active?
- Yes — Heidi Dahlem's NPI (1619001781) is active in the NPPES registry as of the last update on 2008-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.