Robert Baldwin, M.D.
NPI 1134178833 · Diagnostic Ultrasound Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Interventional Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Baldwin, M.D. is a Diagnostic Ultrasound Physician provider in Chandler, AZ (NPI 1134178833).
Provider details
- NPI number
- 1134178833
- Entity type
- Individual
- Primary specialty
- Diagnostic Ultrasound PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 23292 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,149 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 306 | $8 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 168 | $12 |
| X-Ray of Chest, 2 Views71046 | 156 | $10 |
| Aspiration of Fluid From Chest Cavity Using Imaging Guidance32555 | 105 | $103 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 57 | $100 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 55 | $17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$345 across 9 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
- 2006-05-09
- Last updated
- 2025-09-11
Frequently asked questions
- What is Robert Baldwin's NPI number?
- Robert Baldwin's National Provider Identifier (NPI) is 1134178833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Baldwin's specialty?
- Robert Baldwin is listed in the NPPES registry with a primary specialty of Diagnostic Ultrasound Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Baldwin located?
- Robert Baldwin's practice location on file with NPPES is 475 S Dobson Rd, Chandler, AZ 85224-5605.
- What is Robert Baldwin's phone number?
- The practice phone number listed in the NPPES registry for Robert Baldwin is (480) 821-3179.
- Does Robert Baldwin accept Medicare?
- Robert Baldwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Baldwin's NPI active?
- Yes — Robert Baldwin's NPI (1134178833) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.