Miles Maassen, DO
NPI 1598320483 · Emergency Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miles Maassen, DO is a Emergency Medicine Physician provider in Houston, TX (NPI 1598320483).
Provider details
- NPI number
- 1598320483
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
331 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 115 | $173 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 106 | $120 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 43 | $8 |
| Critical Care, First 30-74 Minutes99291 | 36 | $212 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 20 | $70 |
| Ultrasound of Heart, Follow-Up93308 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-05-06
- Last updated
- 2022-10-11
- Certified
- 2022-10-11
Frequently asked questions
- What is Miles Maassen's NPI number?
- Miles Maassen's National Provider Identifier (NPI) is 1598320483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miles Maassen's specialty?
- Miles Maassen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Miles Maassen located?
- Miles Maassen's practice location on file with NPPES is 6431 Fannin St Ste Jjl 431, Houston, TX 77030-1501.
- What is Miles Maassen's phone number?
- The practice phone number listed in the NPPES registry for Miles Maassen is (713) 500-7878.
- Does Miles Maassen accept Medicare?
- Miles Maassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miles Maassen's NPI active?
- Yes — Miles Maassen's NPI (1598320483) is active in the NPPES registry as of the last update on 2022-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.