Dr. Guillermo Serrano, MD
- Medicare services, 2016
- 16
- Part D claims, 2024
- 116
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2015
- Practice address
- 410 Ave Hostos, Mayaguez, PR 00682
- Practice phone
- Call (917) 336-7757
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
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Dr. Guillermo Serrano is a general practice physician in Mayaguez, Puerto Rico
Dr. Serrano practices with Centro de Salud Familiar Susana Centeno, a medical group.
Dr. Serrano's NPI, 1821474354, was assigned on August 6, 2015. Dr. Serrano holds Puerto Rico license 019138.
- NPI
- 1821474354NPI Registry (opens in a new tab)
- NPI enumeration date
- August 6, 2015
- NPI status
- Active
- Practice phone
- (917) 336-7757
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Guillermo Serrano's practice address is in Mayaguez, Puerto Rico
Dr. Serrano's practice address in the NPI Registry is 410 Ave Hostos, Mayaguez, PR 00682, in Mayaguez County. The practice phone is (917) 336-7757.
- NPI Registry address410 Ave Hostos, Mayaguez, PR 00682 · Mayaguez CountyPhone(917) 336-7757
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guillermo Serrano is affiliated with 1 medical group
Dr. Serrano is part of Centro de Salud Familiar Susana Centeno, a medical group in Vieques, Puerto Rico.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Guillermo Serrano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Serrano practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Centro de Salud Familiar Susana Centeno | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Centro de Salud Familiar Susana Centeno and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Guillermo Serrano is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Serrano's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Serrano is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Serrano
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Guillermo Serrano billed Medicare for 16 services in 2016
CMS data shows 16 Medicare services from Dr. Serrano across 1 procedure code in 2016, all of them office visits. Medicare paid $746 for them. Every service was in an office.
Dr. Serrano compared with the Puerto Rico median for general practice physicians, 2016
- Dr. Serrano
- Puerto Rico median
- Medicare services
- 16vs 3453% below
- Part D claims
- 94vs 73587% below
Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Serrano's most billed Medicare procedure codes, 2016
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guillermo Serrano wrote 116 Medicare Part D claims in 2024
In 2024, Dr. Serrano wrote 116 Medicare Part D claims for 65 patients. 99% of them were for generic drugs. CMS names the drug for 94 of them, across 4 drugs with 11 or more claims each, at $872 in total drug cost. In 2023, CMS named 66 claims across 3 drugs.
Dr. Serrano's Part D claims by kind of drug, 2024
- Generic115 claims99%
- Brand-name and other1 claims1%
Dr. Serrano's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Serrano's Part D claims, 2024
- Antibiotics42%49 of 116 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 662024: 9442%
Drugs named by CMS: 4 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. Guillermo Serrano's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Guillermo Serrano
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Guillermo Serrano's NPI number?
Dr. Guillermo Serrano's NPI number is 1821474354. It was assigned on August 6, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Guillermo Serrano?
Dr. Guillermo Serrano is a general practice physician in Mayaguez, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Guillermo Serrano practice?
Dr. Serrano practices at 410 Ave Hostos, Mayaguez, PR 00682. Dr. Serrano's primary practice is Centro de Salud Familiar Susana Centeno, a medical group.
What is Dr. Guillermo Serrano's office phone number?
The practice phone on file for Dr. Serrano is (917) 336-7757.
What is Dr. Guillermo Serrano's medical license number?
Dr. Serrano holds Puerto Rico license 019138.
What medical group is Dr. Guillermo Serrano part of?
Dr. Serrano is part of Centro de Salud Familiar Susana Centeno in Vieques, Puerto Rico.
Does Dr. Guillermo Serrano accept Medicare?
Yes. CMS data shows Dr. Serrano billed Medicare for 16 services in 2016.
What services does Dr. Guillermo Serrano bill to Medicare?
In 2016, Dr. Serrano's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Guillermo Serrano prescribe most?
In 2024 Medicare Part D data, Dr. Serrano's most prescribed drugs by claims were Dexamethasone, Amoxicillin-Clavulanate Potass and Azithromycin.
How long has Dr. Guillermo Serrano been practicing?
Dr. Serrano's NPI was assigned in 2015.
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