John Corcoran, MD
NPI 1053350603 · Internal Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Corcoran, MD is a Internal Medicine Physician provider in Tucson, AZ (NPI 1053350603).
Provider details
- NPI number
- 1053350603
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 12377 (AZ)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
764 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 | 312 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 120 | $91 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 113 | $132 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 78 | $14 |
| Assessment of Emotional Or Behavioral Problems96127 | 77 | $5 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 183 | 59 |
| Atorvastatin Calcium | 161 | 55 |
| Losartan Potassium | 124 | 37 |
| Escitalopram Oxalate | 97 | 29 |
| Amlodipine Besylate | 87 | 29 |
| Semaglutidebrand: Ozempic | 85 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$81 across 5 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)
- 1396 N Wilmot RdTucson, AZ 85712-5132Phone: (520) 324-2160Fax: (520) 324-1460
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2023-03-21
- Certified
- 2023-03-21
Frequently asked questions
- What is John Corcoran's NPI number?
- John Corcoran's National Provider Identifier (NPI) is 1053350603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Corcoran's specialty?
- John Corcoran is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Corcoran located?
- John Corcoran's practice location on file with NPPES is 5265 E Knight Dr, Tucson, AZ 85712-2147.
- What is John Corcoran's phone number?
- The practice phone number listed in the NPPES registry for John Corcoran is (520) 327-5911.
- Does John Corcoran accept Medicare?
- John Corcoran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Corcoran's NPI active?
- Yes — John Corcoran's NPI (1053350603) is active in the NPPES registry as of the last update on 2023-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.