Matthew Baldus
NPI 1164197190 · Gastroenterology Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Baldus is a Gastroenterology Physician provider in Chandler, AZ (NPI 1164197190).
Provider details
- NPI number
- 1164197190
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
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 tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
308 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 168 | $104 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 140 | $135 |
Typical Medicare-allowed amounts for these services range $104–$135 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 142 | 141 |
| Pantoprazole Sodium | 92 | 46 |
| Famotidine | 47 | 22 |
| Omeprazole | 28 | 12 |
| Sucralfate | 17 | — |
| Cholestyramine (with Sugar)brand: Cholestyramine | 11 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,700 across 63 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
Registry dates
- Enumerated
- 2021-08-11
- Last updated
- 2023-04-01
- Certified
- 2023-04-01
Frequently asked questions
- What is Matthew Baldus's NPI number?
- Matthew Baldus's National Provider Identifier (NPI) is 1164197190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Baldus's specialty?
- Matthew Baldus is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Baldus located?
- Matthew Baldus's practice location on file with NPPES is 875 S Dobson Rd, Chandler, AZ 85224-5710.
- What is Matthew Baldus's phone number?
- The practice phone number listed in the NPPES registry for Matthew Baldus is (480) 899-9800.
- Does Matthew Baldus accept Medicare?
- Matthew Baldus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Baldus's NPI active?
- Yes — Matthew Baldus's NPI (1164197190) is active in the NPPES registry as of the last update on 2023-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.