Harold Rahming, MD
NPI 1104316611 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Rahming, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1104316611).
Provider details
- NPI number
- 1104316611
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036155393 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 560 | 265 |
| Amlodipine Besylate | 265 | 137 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 254 | 110 |
| Lisinopril | 207 | 99 |
| Gabapentin | 195 | 100 |
| Metformin Hcl | 185 | 86 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-10
- Last updated
- 2026-01-21
- Certified
- 2026-01-21
Frequently asked questions
- What is Harold Rahming's NPI number?
- Harold Rahming's National Provider Identifier (NPI) is 1104316611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Rahming's specialty?
- Harold Rahming is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Rahming located?
- Harold Rahming's practice location on file with NPPES is 2734 W 87th St # 226, Chicago, IL 60652-3937.
- What is Harold Rahming's phone number?
- The practice phone number listed in the NPPES registry for Harold Rahming is (773) 918-4700.
- Does Harold Rahming accept Medicare?
- Harold Rahming is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Rahming's NPI active?
- Yes — Harold Rahming's NPI (1104316611) is active in the NPPES registry as of the last update on 2026-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.