Tristan Flack, D.O.
NPI 1750720074 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tristan Flack, D.O. is a Internal Medicine Physician provider in Baltimore, MD (NPI 1750720074).
Provider details
- NPI number
- 1750720074
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 284245 (NY)
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
13 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
878 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 35 Minutes99232 | 325 | $80 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 270 | $51 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 148 | $83 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 135 | $133 |
Typical Medicare-allowed amounts for these services range $51–$133 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-19
- Last updated
- 2018-08-30
Frequently asked questions
- What is Tristan Flack's NPI number?
- Tristan Flack's National Provider Identifier (NPI) is 1750720074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tristan Flack's specialty?
- Tristan Flack is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tristan Flack located?
- Tristan Flack's practice location on file with NPPES is 6701 N Charles St, Baltimore, MD 21204.
- What is Tristan Flack's phone number?
- The practice phone number listed in the NPPES registry for Tristan Flack is (443) 849-2682.
- Does Tristan Flack accept Medicare?
- Tristan Flack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tristan Flack's NPI active?
- Yes — Tristan Flack's NPI (1750720074) is active in the NPPES registry as of the last update on 2018-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.