DR. PATRICK H GUADIZ (MD) – Family Medicine Physician, NPI 1023091766
Family Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for DR. PATRICK H GUADIZ (MD)
20, Homer Avenue, Ashland, Middlesex County, Massachusetts, 01721, United States
ASHLAND, MA 017211752
Phone: (508) 881-5590
Fax: (508) 881-9031
Type: Mailing
154 TURNPIKE RD STE 130
SOUTHBOROUGH, MA 017722120
Phone: (508) 881-5590
Fax: (508) 881-9031
Type: Location
171 MAIN ST STE 203B
ASHLAND, MA 017211187
Phone: (508) 881-3029
Fax: (508) 881-1752
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2013-03-20
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 |
|---|---|---|---|---|
| I20130320000415 | I | Internal Medicine | MA | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 511 | 268 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 495 | 266 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 291 | 153 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 224 | 224 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 147 | 127 | $0 |
Insurance plans in this area (ZIP 01721)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| Internal Medicine | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Family Practice | MA | |
| - | MA | |
| Internal Medicine | MA | |
| Internal Medicine | MA |
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