Dr. Gerald C. Mazo Cruzado, MD
- Medicare services, 2021
- 44
- Part D claims, 2024
- 1,808
- Hospital affiliations
- 2
- Industry payments
- $666
- Medical groups
- 2
- Practice address
- 14 Cll 2, Guaynabo, PR 00969
- Practice phone
- Call (787) 434-1700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hospital Menonita De Guayama
Guaynabo, Puerto Rico
Find Dr. Mazo Cruzado's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gerald C. Mazo Cruzado is an internist in Guaynabo, Puerto Rico
Dr. Mazo Cruzado practices at Hospital Menonita De Guayama in Guaynabo, Puerto Rico.
Dr. Mazo Cruzado's NPI, 1407173545, was assigned on April 29, 2010. Dr. Mazo Cruzado holds Puerto Rico license 19021.
- NPI
- 1407173545NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931447299
- NPI enumeration date
- April 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 434-1700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald C. Mazo Cruzado practices at Hospital Menonita De Guayama in Guaynabo, Puerto Rico
Dr. Mazo Cruzado's primary practice is Hospital Menonita De Guayama, at 14 Cll 2, Guaynabo, PR 00969 in Guaynabo County. The practice phone is (787) 434-1700.
- Hospital Menonita De Guayama14 Cll 2, Guaynabo, PR 00969 · Guaynabo CountyPhone(787) 434-1700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gerald C. Mazo Cruzado is affiliated with 4 sites of care and 2 medical groups
Dr. Mazo Cruzado's primary practice is Hospital Menonita De Guayama in Guaynabo, Puerto Rico. Dr. Mazo Cruzado is also affiliated with Hospital Menonita Guayama. The medical group on file is Mennonite General Hospital. Dmand AI also links Dr. Mazo Cruzado to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerald C. Mazo Cruzado's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mazo Cruzado practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Menonita De Guayama | Available with a free account |
| +3 more sites and 1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gerald C. Mazo Cruzado is one of 805 internists in Puerto Rico
Internal medicine is Dr. Mazo Cruzado's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mazo Cruzado is licensed in Puerto Rico.
Specialties and state licenses
- Internal medicine, Puerto RicoPrimary
Internists near Dr. Mazo Cruzado
Counts of internists 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. Gerald C. Mazo Cruzado billed Medicare for 44 services in 2021
CMS data shows 44 Medicare services from Dr. Mazo Cruzado across 1 procedure code in 2021. Medicare paid $2,311 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mazo Cruzado's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1342021: 4467%
Dr. Mazo Cruzado compared with the Puerto Rico median for internists, 2021
- Dr. Mazo Cruzado
- Puerto Rico median
- Medicare services
- 44vs 5012% below
- Part D claims
- 1,496vs 2,72845% below
Medians across 820 internists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Mazo Cruzado's most billed Medicare procedure codes, 2021
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. Mazo Cruzado?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mazo Cruzado and other internists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald C. Mazo Cruzado's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Dr. Mazo Cruzado's median patient age at 80, with 31% women.
Dr. Mazo Cruzado's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women31%
- Men69%
Source: Dmand AI Patient Panel Data
Dr. Gerald C. Mazo Cruzado wrote 1,808 Medicare Part D claims in 2024
In 2024, Dr. Mazo Cruzado wrote 1,808 Medicare Part D claims for 531 patients. 91% of them were for generic drugs. CMS names the drug for 1,496 of them, across 34 drugs with 11 or more claims each, at $48,800 in total drug cost. In 2023, CMS named 1,026 claims across 31 drugs.
Dr. Mazo Cruzado's Part D claims by kind of drug, 2024
- Generic1,651 claims91%
- Brand-name and other157 claims9%
Dr. Mazo Cruzado'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. Mazo Cruzado's Part D claims, 2024
- Antibiotics18%326 of 1,808 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: 1,0262024: 1,49646%
Drugs named by CMS: 34 in 2024, 31 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
How Dr. Gerald C. Mazo Cruzado takes part in Medicare
Dr. Mazo Cruzado accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Gerald C. Mazo Cruzado received $666 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Mazo Cruzado from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $170.
General payments to Dr. Mazo Cruzado by program year, 2016 to 2025
Companies that paid Dr. Mazo Cruzado the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gerald C. Mazo Cruzado'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Gerald C. Mazo Cruzado
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. Gerald C. Mazo Cruzado's NPI number?
Dr. Gerald C. Mazo Cruzado's NPI number is 1407173545. It was assigned on April 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald C. Mazo Cruzado?
Dr. Gerald C. Mazo Cruzado is an internist in Guaynabo, Puerto Rico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gerald C. Mazo Cruzado practice?
Dr. Mazo Cruzado practices at 14 Cll 2, Guaynabo, PR 00969. Dr. Mazo Cruzado's primary practice is Hospital Menonita De Guayama in Guaynabo, Puerto Rico. Dmand AI also links Dr. Mazo Cruzado to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Gerald C. Mazo Cruzado's office phone number?
The practice phone on file for Dr. Mazo Cruzado is (787) 434-1700.
What is Dr. Gerald C. Mazo Cruzado's medical license number?
Dr. Mazo Cruzado holds Puerto Rico license 19021.
Which hospitals is Dr. Gerald C. Mazo Cruzado affiliated with?
Dr. Mazo Cruzado is affiliated with Hospital Menonita Guayama. Dmand AI links Dr. Mazo Cruzado to 1 more hospital.
What medical group is Dr. Gerald C. Mazo Cruzado part of?
Dr. Mazo Cruzado is linked to Mennonite General Hospital. Dmand AI links Dr. Mazo Cruzado to 1 more medical group.
Does Dr. Gerald C. Mazo Cruzado accept Medicare?
Yes. CMS data shows Dr. Mazo Cruzado billed Medicare for 44 services in 2021, and Dr. Mazo Cruzado accepts Medicare assignment.
What services does Dr. Gerald C. Mazo Cruzado bill to Medicare?
In 2021, Dr. Mazo Cruzado's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Gerald C. Mazo Cruzado prescribe most?
In 2024 Medicare Part D data, Dr. Mazo Cruzado's most prescribed drugs by claims were Pantoprazole Sodium, Sucralfate and Azithromycin.
Has Dr. Gerald C. Mazo Cruzado received payments from drug or device companies?
CMS Open Payments shows $666 in general payments to Dr. Mazo Cruzado from 6 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gerald C. Mazo Cruzado been practicing?
Dr. Mazo Cruzado graduated from medical school in 2015, 11 years ago.
Selling to internal medicine practices?
See internists in Puerto Rico by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card