Paul Schaefer, DO
NPI 1598298499 · Critical Care Medicine (Internal Medicine) Physician · Chandler, AZ
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Schaefer, DO is a Critical Care Medicine (Internal Medicine) Physician provider in Chandler, AZ (NPI 1598298499).
Provider details
- NPI number
- 1598298499
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 009781 (AZ)
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
235 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 235 | $202 |
Typical Medicare-allowed amounts for these services range $202–$202 (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.
Practice location
Mailing address
Additional practice locations (1)
- 3555 S Val Vista DrGilbert, AZ 85297-7323Phone: (480) 909-3870Fax: (480) 728-9616
Registry dates
- Enumerated
- 2017-04-06
- Last updated
- 2024-12-06
- Certified
- 2024-12-06
Frequently asked questions
- What is Paul Schaefer's NPI number?
- Paul Schaefer's National Provider Identifier (NPI) is 1598298499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Schaefer's specialty?
- Paul Schaefer is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Schaefer located?
- Paul Schaefer's practice location on file with NPPES is 1955 W Frye Rd, Chandler, AZ 85224-6282.
- What is Paul Schaefer's phone number?
- The practice phone number listed in the NPPES registry for Paul Schaefer is (480) 909-3870.
- Does Paul Schaefer accept Medicare?
- Paul Schaefer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Schaefer's NPI active?
- Yes — Paul Schaefer's NPI (1598298499) is active in the NPPES registry as of the last update on 2024-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.