MICHAEL CASTRO (MD) – Internal Medicine Physician, NPI 1639170293
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,582 INTERNAL MEDICINE in AZ
Provider Addresses for MICHAEL CASTRO (MD)
1325 N Litchfield Rd Ste 110
Goodyear, AZ 853951214
Phone: (623) 935-9494
Fax: (623) 935-9292
Type: Location
North 59th Avenue, College Park, Glendale, Maricopa County, Arizona, 85308, United States
STE 138
GLENDALE, AZ 853081260
Phone: (602) 564-0078
Fax: (602) 564-1154
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 138 Open Payments records for all available years, with a total value of $5,295.
Total Amount is formed as General ($5,295) + Research ($0) + Ownership ($0) = $5,295.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Amgen Inc. ($1,093).
Total Amount
$5,295
General + Research + Ownership
Payments
138
Total payment records
General Amount
$5,295
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $1,093 |
| AstraZeneca Pharmaceuticals LP | $698 |
| ABBVIE INC. | $438 |
| PFIZER INC. | $328 |
| Abbott Laboratories | $245 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-06-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040618001331 | I | Internal Medicine | AZ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 578 | 260 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 369 | 216 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 174 | 75 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 169 | 169 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 135 | 124 | $0 |
Insurance plans in this area (ZIP 85395)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | AZ | 81002 | Urinalysis, manual test | 56 | 39 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Gastroenterology | TN | |
| - | AZ | |
| General Surgery, Vascular Surgery | AZ | |
| Orthopedic Surgery, Hand Surgery | AZ | |
| Physician Assistant | WA | |
| Physician Assistant | AZ | |
| Internal Medicine | AZ | |
| Internal Medicine | AZ | |
| - | AZ | |
| Nurse Practitioner | WA |
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