John Carroll, MD
NPI 1063468932 · Internal Medicine Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carroll, MD is a Internal Medicine Physician provider in Scottsdale, AZ (NPI 1063468932).
Provider details
- NPI number
- 1063468932
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 18950 (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
20 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
631 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 259 | $72 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 216 | $103 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 83 | $39 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 61 | $175 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 12 | $147 |
Typical Medicare-allowed amounts for these services range $39–$175 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 127 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 413 | 75 |
| Apixabanbrand: Eliquis | 296 | 39 |
| Gabapentin | 285 | 61 |
| Levothyroxine Sodium | 227 | 49 |
| Furosemide | 209 | 42 |
| Ondansetron Hcl | 189 | 44 |
| Sertraline Hcl | 175 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2014-10-01
Frequently asked questions
- What is John Carroll's NPI number?
- John Carroll's National Provider Identifier (NPI) is 1063468932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carroll's specialty?
- John Carroll is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Carroll located?
- John Carroll's practice location on file with NPPES is 8328 E Hartford Dr, Scottsdale, AZ 85255-6520.
- What is John Carroll's phone number?
- The practice phone number listed in the NPPES registry for John Carroll is (480) 214-9720.
- Does John Carroll accept Medicare?
- John Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carroll's NPI active?
- Yes — John Carroll's NPI (1063468932) is active in the NPPES registry as of the last update on 2014-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.