Henry Fischer, MD
NPI 1821189952 · Internal Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Fischer, MD is a Internal Medicine Physician provider in Denver, CO (NPI 1821189952).
Provider details
- NPI number
- 1821189952
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 39608 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 97 | 36 |
| Amlodipine Besylate | 85 | 30 |
| Metformin Hcl | 80 | 26 |
| Lisinopril | 66 | 26 |
| Omeprazole | 64 | 21 |
| Losartan Potassium | 61 | 21 |
| Oxycodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is Henry Fischer's NPI number?
- Henry Fischer's National Provider Identifier (NPI) is 1821189952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Fischer's specialty?
- Henry Fischer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Fischer located?
- Henry Fischer's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4507.
- What is Henry Fischer's phone number?
- The practice phone number listed in the NPPES registry for Henry Fischer is (303) 436-6000.
- Does Henry Fischer accept Medicare?
- Henry Fischer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Fischer's NPI active?
- Yes — Henry Fischer's NPI (1821189952) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.