Joao Ferreira, M.D.
NPI 1649339490 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joao Ferreira, M.D. is a Internal Medicine Physician provider in Tucson, AZ (NPI 1649339490).
Provider details
- NPI number
- 1649339490
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 41869 (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
19 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
307 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 111 | $115 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 101 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $167 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 31 | $111 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 19 | $78 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-07
- Last updated
- 2021-10-07
- Certified
- 2021-10-07
Frequently asked questions
- What is Joao Ferreira's NPI number?
- Joao Ferreira's National Provider Identifier (NPI) is 1649339490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joao Ferreira's specialty?
- Joao Ferreira is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joao Ferreira located?
- Joao Ferreira's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-0001.
- What is Joao Ferreira's phone number?
- The practice phone number listed in the NPPES registry for Joao Ferreira is (520) 694-8888.
- Does Joao Ferreira accept Medicare?
- Joao Ferreira is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joao Ferreira's NPI active?
- Yes — Joao Ferreira's NPI (1649339490) is active in the NPPES registry as of the last update on 2021-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.