Matthew Parker, M.D.
NPI 1558537522 · Hospitalist Physician · Saint Joseph, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Parker, M.D. is a Hospitalist Physician provider in Saint Joseph, MO (NPI 1558537522).
Provider details
- NPI number
- 1558537522
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2013036517 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
18 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
1,367 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 35 Minutes99232 | 1,093 | $74 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 174 | $74 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 56 | $46 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 26 | $123 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 18 | $77 |
Typical Medicare-allowed amounts for these services range $46–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 33 | 33 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 24 | 24 |
| Pen Needle,dual Safety,diabetcbrand: Autoshield Duo Pen Needle | 13 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 12 | 12 |
| Pantoprazole Sodium | 11 | — |
| Cefpodoxime Proxetil | 11 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$85 across 4 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)
- 5301 Faraon StSte 120Saint Joseph, MO 64506-3512Phone: (816) 271-6406
Registry dates
- Enumerated
- 2008-04-30
- Last updated
- 2017-10-26
Frequently asked questions
- What is Matthew Parker's NPI number?
- Matthew Parker's National Provider Identifier (NPI) is 1558537522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Parker's specialty?
- Matthew Parker is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Parker located?
- Matthew Parker's practice location on file with NPPES is 5325 Faraon St, Saint Joseph, MO 64506-3488.
- What is Matthew Parker's phone number?
- The practice phone number listed in the NPPES registry for Matthew Parker is (816) 271-6406.
- Does Matthew Parker accept Medicare?
- Matthew Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Parker's NPI active?
- Yes — Matthew Parker's NPI (1558537522) is active in the NPPES registry as of the last update on 2017-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.