Patrick Guadiz, MD
NPI 1023091766 · Family Medicine Physician · Southborough, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Guadiz, MD is a Family Medicine Physician provider in Southborough, MA (NPI 1023091766).
Provider details
- NPI number
- 1023091766
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 222979 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,884 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 520 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 453 | $129 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 260 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 230 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 126 | $91 |
| Administration of Influenza Virus VaccineG0008 | 96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 125 | 49 |
| Levothyroxine Sodium | 111 | 42 |
| Amlodipine Besylate | 86 | 32 |
| Omeprazole | 70 | 29 |
| Lisinopril | 50 | 20 |
| Hydrochlorothiazide | 49 | 18 |
| Losartan Potassium | 48 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-28
- Last updated
- 2024-01-24
- Certified
- 2024-01-24
Frequently asked questions
- What is Patrick Guadiz's NPI number?
- Patrick Guadiz's National Provider Identifier (NPI) is 1023091766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Guadiz's specialty?
- Patrick Guadiz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Guadiz located?
- Patrick Guadiz's practice location on file with NPPES is 154 Turnpike Rd Ste 130, Southborough, MA 01772-2120.
- What is Patrick Guadiz's phone number?
- The practice phone number listed in the NPPES registry for Patrick Guadiz is (508) 881-5590.
- Does Patrick Guadiz accept Medicare?
- Patrick Guadiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Guadiz's NPI active?
- Yes — Patrick Guadiz's NPI (1023091766) is active in the NPPES registry as of the last update on 2024-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.