Douglas Bischoff, M.D.
NPI 1821085333 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Bischoff, M.D. is a Internal Medicine Physician provider in Tucson, AZ (NPI 1821085333).
Provider details
- NPI number
- 1821085333
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22067 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
643 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 313 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 148 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 121 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $166 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 26 | $78 |
Typical Medicare-allowed amounts for these services range $76–$166 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ciprofloxacin Hcl | 24 | 24 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 19 | 18 |
| Atorvastatin Calcium | 18 | 18 |
| Cephalexin | 18 | 18 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 17 | 17 |
| Metoprolol Succinate | 17 | 17 |
| Levofloxacin | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 1601 W Saint Marys RdTucson, AZ 85745-2623Phone: (520) 622-5833
Registry dates
- Enumerated
- 2005-09-29
- Last updated
- 2025-02-04
- Certified
- 2025-02-04
Frequently asked questions
- What is Douglas Bischoff's NPI number?
- Douglas Bischoff's National Provider Identifier (NPI) is 1821085333, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Bischoff's specialty?
- Douglas Bischoff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Bischoff located?
- Douglas Bischoff's practice location on file with NPPES is 3945 E Paradise Falls Dr, Tucson, AZ 85712-6683.
- What is Douglas Bischoff's phone number?
- The practice phone number listed in the NPPES registry for Douglas Bischoff is (520) 290-5888.
- Does Douglas Bischoff accept Medicare?
- Douglas Bischoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Bischoff's NPI active?
- Yes — Douglas Bischoff's NPI (1821085333) is active in the NPPES registry as of the last update on 2025-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.