Sorbella Guillermo, M.D.
NPI 1003913146 · Specialist · Waipahu, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sorbella Guillermo, M.D. is a Specialist provider in Waipahu, HI (NPI 1003913146).
Provider details
- NPI number
- 1003913146
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 8981 (HI)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,506 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 408 | $90 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 340 | $64 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 213 | $53 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 213 | $51 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $128 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,199 | 350 |
| Amlodipine Besylate | 1,119 | 319 |
| Losartan Potassium | 1,075 | 295 |
| Metformin Hcl | 626 | 173 |
| Omeprazole | 392 | 128 |
| Lisinopril | 380 | 111 |
| Allopurinol | 372 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$624 across 28 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)
- 916 Kilani AveWahiawa, HI 96786-2102Phone: (808) 621-5042Fax: (808) 621-9313
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2020-08-22
- Certified
- 2020-08-22
Frequently asked questions
- What is Sorbella Guillermo's NPI number?
- Sorbella Guillermo's National Provider Identifier (NPI) is 1003913146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sorbella Guillermo's specialty?
- Sorbella Guillermo is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sorbella Guillermo located?
- Sorbella Guillermo's practice location on file with NPPES is 94-300 Farrington Hwy, Waipahu, HI 96797-2648.
- What is Sorbella Guillermo's phone number?
- The practice phone number listed in the NPPES registry for Sorbella Guillermo is (808) 677-1433.
- Does Sorbella Guillermo accept Medicare?
- Sorbella Guillermo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sorbella Guillermo's NPI active?
- Yes — Sorbella Guillermo's NPI (1003913146) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.