Dr. Guillermo M. Martorell Millan, MD
- Medicare services, 2019
- 30
- Part D claims, 2024
- 458
- Hospital affiliations
- 1
- Industry payments
- $161
- Medical group
- 1
- Practice address
- Calle Santa Cruz Num 70 Urb Santa Cruz, Bayamon, PR 00961
- Practice phone
- Call (787) 620-4747
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Martorell Millan's professional email, personal email and mobile number
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Dr. Guillermo M. Martorell Millan is an emergency medicine physician in Puerto Rico
Dr. Martorell Millan practices at Hospital Auxilio Mutuo San Pablo in Bayamon, Puerto Rico, part of Hospital Auxilio Mutuo.
Dr. Martorell Millan's NPI, 1053404962, was assigned on October 2, 2006. Dr. Martorell Millan holds Puerto Rico license 16608.
- NPI
- 1053404962NPI Registry (opens in a new tab)
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Practice phone
- (787) 620-4747
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo M. Martorell Millan practices at Hospital Auxilio Mutuo San Pablo in Bayamon, Puerto Rico
Dr. Martorell Millan's primary practice is Hospital Auxilio Mutuo San Pablo, at Calle Santa Cruz Num 70 Urb Santa Cruz, Bayamon, PR 00961 in Bayamon County. The practice phone is (787) 620-4747.
- Hospital Auxilio Mutuo San PabloCalle Santa Cruz Num 70 Urb Santa Cruz, Bayamon, PR 00961 · Bayamon CountyPhone(787) 620-4747
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guillermo M. Martorell Millan is affiliated with 1 site of care and 1 medical group
Dr. Martorell Millan's primary practice is Hospital Auxilio Mutuo San Pablo in Bayamon, Puerto Rico, part of Hospital Auxilio Mutuo. The medical group on file is HIMA San Pablo Caguas Hospital.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Guillermo M. Martorell Millan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martorell Millan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Auxilio Mutuo San Pablo | 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 Hospital Auxilio Mutuo and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Guillermo M. Martorell Millan is one of 156 emergency medicine physicians in Puerto Rico
Emergency medicine is Dr. Martorell Millan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Martorell Millan is licensed in Puerto Rico.
Specialties and state licenses
- Emergency medicine, Puerto RicoPrimary
Emergency medicine physicians near Dr. Martorell Millan
Counts of emergency medicine 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 M. Martorell Millan billed Medicare for 30 services in 2019
CMS data shows 30 Medicare services from Dr. Martorell Millan across 2 procedure codes in 2019. Medicare paid $1,684 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Martorell Millan's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 542019: 1769%
- Tests and treatments
- 2018: 302019: 1357%
Dr. Martorell Millan compared with the Puerto Rico median for emergency medicine physicians, 2019
- Dr. Martorell Millan
- Puerto Rico median
- Medicare services
- 30vs 4736% below
- Part D claims
- 399vs 626.4 times
Medians across 152 emergency medicine physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Martorell Millan's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Martorell Millan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Martorell Millan and other emergency medicine physicians in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guillermo M. Martorell Millan wrote 458 Medicare Part D claims in 2024
In 2024, Dr. Martorell Millan wrote 458 Medicare Part D claims for 328 patients. 93% of them were for generic drugs. CMS names the drug for 399 of them, across 10 drugs with 11 or more claims each, at $8,033 in total drug cost. In 2023, CMS named 452 claims across 11 drugs.
Dr. Martorell Millan's Part D claims by kind of drug, 2024
- Generic427 claims93%
- Brand-name31 claims7%
Dr. Martorell Millan'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. Martorell Millan's Part D claims, 2024
- Antibiotics44%202 of 458 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: 4522024: 39912%
Drugs named by CMS: 10 in 2024, 11 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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Dr. Guillermo M. Martorell Millan received $161 in industry payments from 2016 to 2019
CMS Open Payments shows 4 general payments to Dr. Martorell Millan from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $100.
General payments to Dr. Martorell Millan by program year, 2016 to 2019
Companies that paid Dr. Martorell Millan the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Guillermo M. Martorell Millan'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (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 M. Martorell Millan
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 M. Martorell Millan's NPI number?
Dr. Guillermo M. Martorell Millan's NPI number is 1053404962. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guillermo M. Martorell Millan?
Dr. Guillermo M. Martorell Millan is an emergency medicine physician in Puerto Rico. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Guillermo M. Martorell Millan practice?
Dr. Martorell Millan practices at Calle Santa Cruz Num 70 Urb Santa Cruz, Bayamon, PR 00961. Dr. Martorell Millan's primary practice is Hospital Auxilio Mutuo San Pablo in Bayamon, Puerto Rico, part of Hospital Auxilio Mutuo.
What is Dr. Guillermo M. Martorell Millan's office phone number?
The practice phone on file for Dr. Martorell Millan is (787) 620-4747.
What is Dr. Guillermo M. Martorell Millan's medical license number?
Dr. Martorell Millan holds Puerto Rico license 16608.
Which hospitals is Dr. Guillermo M. Martorell Millan affiliated with?
Dr. Martorell Millan practices at Hospital Auxilio Mutuo San Pablo in Bayamon, Puerto Rico.
What medical group is Dr. Guillermo M. Martorell Millan part of?
Dr. Martorell Millan is linked to HIMA San Pablo Caguas Hospital.
Does Dr. Guillermo M. Martorell Millan accept Medicare?
Yes. CMS data shows Dr. Martorell Millan billed Medicare for 30 services in 2019.
What services does Dr. Guillermo M. Martorell Millan bill to Medicare?
In 2019, Dr. Martorell Millan's most billed Medicare services were emergency department visit (99284) and heart test or procedure (93010).
What drugs does Dr. Guillermo M. Martorell Millan prescribe most?
In 2024 Medicare Part D data, Dr. Martorell Millan's most prescribed drugs by claims were Azithromycin, Ibuprofen and Amoxicillin-Clavulanate Potass.
Has Dr. Guillermo M. Martorell Millan received payments from drug or device companies?
CMS Open Payments shows $161 in general payments to Dr. Martorell Millan from 4 companies from 2016 to 2019. The largest total came from Abbott Laboratories.
How long has Dr. Guillermo M. Martorell Millan been practicing?
Dr. Martorell Millan's NPI was assigned in 2006.
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