Dr. Maria E. Justiniano, MD
- Medicare services, 2024
- 212
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 12,641
- Hospital affiliations
- 2
- Industry payments
- $147
- Practice address
- Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683
- Practice phone
- Call (787) 852-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Justiniano's professional email, personal email and mobile number
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Dr. Maria E. Justiniano is a rheumatologist in San German, Puerto Rico
Dr. Justiniano practices at Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez.
Dr. Justiniano's NPI, 1619084217, was assigned on August 23, 2006. Dr. Justiniano graduated from University Central Del Caribe Escuela De Medicina in 1998. Dr. Justiniano holds Puerto Rico license 16393.
- NPI
- 1619084217NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153423454
- NPI enumeration date
- August 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (787) 852-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maria E. Justiniano practices at 2 locations in San German, Puerto Rico
Dr. Justiniano's primary practice is Hospital Metropolitano San Germán, at Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683 in San German County. The practice phone is (787) 852-5300. Dr. Justiniano also practices at Hospital Metropolitano San German, 8 Calle Javilla, San German, PR 00683.
- Hospital Metropolitano San GermánPrimaryCalle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683 · San German CountyPhone(787) 852-5300
- Hospital Metropolitano San German8 Calle Javilla, San German, PR 00683 · San German CountyPhone(787) 892-1860
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Maria E. Justiniano is affiliated with 2 sites of care
Dr. Justiniano's primary practice is Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez. Dr. Justiniano is also affiliated with Hospital de la Concepción.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Maria E. Justiniano's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Justiniano practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Metropolitano San Germán | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maria E. Justiniano is one of 74 rheumatologists in Puerto Rico
Rheumatology is Dr. Justiniano's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Justiniano is licensed in Puerto Rico.
Specialties and state licenses
- Rheumatology, Puerto RicoPrimary
Rheumatologists near Dr. Justiniano
Counts of rheumatologists 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. Maria E. Justiniano billed Medicare for 212 services in 2024
CMS data shows 212 Medicare services from Dr. Justiniano across 4 procedure codes in 2024, for 74 Medicare patients. Medicare paid $16,720 for them. Every service was in an office.
Dr. Justiniano's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1832024: 2009%
- Surgery
- 2023: 142024: 1214%
Dr. Justiniano compared with the Puerto Rico median for rheumatologists, 2024
- Dr. Justiniano
- Puerto Rico median
- Medicare services
- 212vs 583.7 times
- Medicare patients
- 74vs 322.3 times
- Part D claims
- 12,446vs 3,7303.3 times
Medians across 78 rheumatologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Justiniano's most billed Medicare procedure codes, 2024
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Justiniano and other rheumatologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maria E. Justiniano treated 74 Medicare patients in 2024, average age 76
CMS counts 74 Medicare patients who saw Dr. Justiniano in 2024. The largest group is 75 to 84, with 41 patients. 75% of them have arthritis, and 75% have diabetes. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Justiniano's median patient age at 77, with 80% women.
Dr. Justiniano's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Justiniano's Medicare patients by sex, 2024
- Women4662%
- Men2838%
Chronic conditions among Dr. Justiniano's Medicare patients, 2024
- Arthritis75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Osteoporosis55%
- Chronic kidney disease35%
- Ischemic heart disease16%
- Tobacco use15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Justiniano's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women80%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maria E. Justiniano wrote 12,641 Medicare Part D claims in 2024
In 2024, Dr. Justiniano wrote 12,641 Medicare Part D claims for 1,303 patients. 94% of them were for generic drugs. CMS names the drug for 12,446 of them, across 62 drugs with 11 or more claims each, at $2,551,877 in total drug cost. In 2023, CMS named 10,784 claims across 53 drugs.
Dr. Justiniano's Part D claims by kind of drug, 2024
- Generic11,871 claims94%
- Brand-name and other770 claims6%
Dr. Justiniano'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. Justiniano's Part D claims, 2024
- Opioids0%26 of 12,641 claims
- Antibiotics0%38 of 12,641 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: 10,7842024: 12,44615%
Drugs named by CMS: 62 in 2024, 53 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
Dr. Maria E. Justiniano offers telehealth to Medicare patients
Dr. Justiniano accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Justiniano as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Maria E. Justiniano received $147 in industry payments from 2018 to 2025
CMS Open Payments shows 8 general payments to Dr. Justiniano from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 83% of the total. GlaxoSmithKline, LLC. paid the most, $85. It also lists 1 research payment totaling $1,191 in 2016.
General payments to Dr. Justiniano by program year, 2018 to 2025
General payments to Dr. Justiniano by kind, 2018 to 2025
- Food and beverage$12283%
- Education$2417%
Companies that paid Dr. Justiniano the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maria E. Justiniano graduated from University Central Del Caribe Escuela De Medicina
Dr. Justiniano graduated from University Central Del Caribe Escuela De Medicina in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Maria E. Justiniano'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Maria E. Justiniano
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. Maria E. Justiniano's NPI number?
Dr. Maria E. Justiniano's NPI number is 1619084217. It was assigned on August 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Maria E. Justiniano?
Dr. Maria E. Justiniano is a rheumatologist in San German, Puerto Rico. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Maria E. Justiniano practice?
Dr. Justiniano practices at Calle Javilla #8 Al Costado Parque De Bombas, San German, PR 00683. Dr. Justiniano also practices at 8 Calle Javilla, San German, PR 00683. Dr. Justiniano's primary practice is Hospital Metropolitano San Germán in San German, Puerto Rico, part of Diócesis de Mayagüez.
What is Dr. Maria E. Justiniano's office phone number?
The practice phone on file for Dr. Justiniano is (787) 852-5300.
What is Dr. Maria E. Justiniano's medical license number?
Dr. Justiniano holds Puerto Rico license 16393.
Which hospitals is Dr. Maria E. Justiniano affiliated with?
Dr. Justiniano practices at Hospital Metropolitano San Germán in San German, Puerto Rico. Dr. Justiniano is also affiliated with Hospital de la Concepción.
Does Dr. Maria E. Justiniano accept Medicare?
Yes. CMS data shows Dr. Justiniano billed Medicare for 212 services in 2024, and Dr. Justiniano accepts Medicare assignment.
Does Dr. Maria E. Justiniano offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Justiniano as offering telehealth services.
How many Medicare patients does Dr. Maria E. Justiniano see?
CMS counts 74 Medicare patients who saw Dr. Justiniano in 2024, with an average age of 76.
What services does Dr. Maria E. Justiniano bill to Medicare?
In 2024, Dr. Justiniano's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99205).
Show 4 more questionsShow fewer questions
Where did Dr. Maria E. Justiniano go to medical school?
Dr. Justiniano graduated from University Central Del Caribe Escuela De Medicina in 1998.
What drugs does Dr. Maria E. Justiniano prescribe most?
In 2024 Medicare Part D data, Dr. Justiniano's most prescribed drugs by claims were Gabapentin, Prednisone and Tizanidine HCl.
Has Dr. Maria E. Justiniano received payments from drug or device companies?
CMS Open Payments shows $147 in general payments to Dr. Justiniano from 4 companies from 2018 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Maria E. Justiniano been practicing?
Dr. Justiniano graduated from medical school in 1998, 28 years ago.
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