Keegan Massey, M.D.
NPI 1427319979 · Emergency Medicine Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keegan Massey, M.D. is a Emergency Medicine Physician provider in Corpus Christi, TX (NPI 1427319979).
Provider details
- NPI number
- 1427319979
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- Q2799 (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
14 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
190 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 65 | $14 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 31 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 26 | $169 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 20 | $223 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 18 | $35 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-31
- Last updated
- 2015-08-04
Frequently asked questions
- What is Keegan Massey's NPI number?
- Keegan Massey's National Provider Identifier (NPI) is 1427319979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keegan Massey's specialty?
- Keegan Massey is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keegan Massey located?
- Keegan Massey's practice location on file with NPPES is 2601 Hospital Blvd, Corpus Christi, TX 78405-1815.
- What is Keegan Massey's phone number?
- The practice phone number listed in the NPPES registry for Keegan Massey is (361) 902-4789.
- Does Keegan Massey accept Medicare?
- Keegan Massey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keegan Massey's NPI active?
- Yes — Keegan Massey's NPI (1427319979) is active in the NPPES registry as of the last update on 2015-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.