Zachary Brown, D.O.
NPI 1609224575 · Addiction Medicine (Internal Medicine) Physician · Denver, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Brown, D.O. is a Addiction Medicine (Internal Medicine) Physician provider in Denver, CO (NPI 1609224575).
Provider details
- NPI number
- 1609224575
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 12022 (SD)
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 tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
308 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 125 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 77 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 47 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 44 | $112 |
| Critical Care, First 30-74 Minutes99291 | 15 | $207 |
Typical Medicare-allowed amounts for these services range $77–$207 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 2 records (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
Additional practice locations (1)
- 7600 S Minnesota Ave Ste 201Sioux Falls, SD 57108-2988Phone: (605) 271-5441Fax: (605) 271-5277
Registry dates
- Enumerated
- 2016-06-01
- Last updated
- 2025-07-10
- Certified
- 2025-07-10
Frequently asked questions
- What is Zachary Brown's NPI number?
- Zachary Brown's National Provider Identifier (NPI) is 1609224575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Brown's specialty?
- Zachary Brown is listed in the NPPES registry with a primary specialty of Addiction Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Brown located?
- Zachary Brown's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4597.
- What is Zachary Brown's phone number?
- The practice phone number listed in the NPPES registry for Zachary Brown is (303) 436-4949.
- Does Zachary Brown accept Medicare?
- Zachary Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Brown's NPI active?
- Yes — Zachary Brown's NPI (1609224575) is active in the NPPES registry as of the last update on 2025-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.