Hoonmo Koo, MD
NPI 1386803336 · Infectious Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hoonmo Koo, MD is a Infectious Disease Physician provider in Houston, TX (NPI 1386803336).
Provider details
- NPI number
- 1386803336
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L8775 (TX)
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
18 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
1,401 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 | 655 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 551 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 134 | $175 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 61 | $134 |
Typical Medicare-allowed amounts for these services range $80–$175 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefepime Hcl | 57 | — |
| Vancomycin Hcl | 48 | 14 |
| Daptomycin | 44 | — |
| Amoxicillin | 40 | — |
| Minocycline Hcl | 25 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 19 | — |
| 0.9 % Sodium Chloridebrand: Sodium Chloride | 16 | — |
| Ertapenem Sodiumbrand: Ertapenem |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-05
- Last updated
- 2019-02-15
Frequently asked questions
- What is Hoonmo Koo's NPI number?
- Hoonmo Koo's National Provider Identifier (NPI) is 1386803336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hoonmo Koo's specialty?
- Hoonmo Koo is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Hoonmo Koo located?
- Hoonmo Koo's practice location on file with NPPES is 2201 W Holcombe Blvd Ste 305, Houston, TX 77030-2032.
- What is Hoonmo Koo's phone number?
- The practice phone number listed in the NPPES registry for Hoonmo Koo is (713) 791-1020.
- Does Hoonmo Koo accept Medicare?
- Hoonmo Koo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hoonmo Koo's NPI active?
- Yes — Hoonmo Koo's NPI (1386803336) is active in the NPPES registry as of the last update on 2019-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.