Julian Santiago-Marrero, MD
General Practice Physician · Manati, PR
Julian Santiago-Marrero, MD is a general practice physician with a practice address in Manati, Puerto Rico, and NPI 1134859283, issued on Jun 13, 2022. Check the license (Puerto Rico 23577, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Julian Santiago-Marrero
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- 23577 PR
210 PR
Self-reported in NPPES; status is on the state search - Practice location
- Urb Atenas Calle Hernandez Carrion, Manati, PR 00674
- Phone
- (787) 988-0721
- Enumerated
- Jun 13, 2022
- Record last updated
- Jul 1, 2024
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Also registered at Urb Atenas Calle Hernandez Carrion
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jose Suarez Rodriguez, MDStudent in an Organized Health Care Education/Training Program1932848868
Verify Julian Santiago-Marrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 23577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average general practice physician in 2024
154 Medicare Part D claims for 28 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $49.58
2 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Julian Santiago-Marrero among 4,170 general practice physician records in Puerto Rico
Julian Santiago-Marrero, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 83% of them.
- NPI issued2022 · 83% of these records are older, 10% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
106 general practice physician records list a practice address in Manati
They are 106 of the 729 NPPES records with a practice address in Manati, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Manati → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Maria Acevedo Sanchez, M.D.Manati, PR 006741003891367
- Hector Albarran, MDManati, PR 006741730113382
- Karen Alvarez-Vega, M.D.Manati, PR 006741477594737
- Midalie Caban, MDManati, PR 006741801874789
- Emilio Davila AgostoManati, PR 006741235234758
- Mildalias Dominguez Pascual, M.D.Manati, PR 006741538146139
- Fernando Garcia-Cruz, M.D.Manati, PR 006741316041809
- Reynaldo Gomez Adrover, M.D.Manati, PR 006741124025358
Common questions
What is Julian Santiago-Marrero, MD's NPI number?
Julian Santiago-Marrero, MD's National Provider Identifier (NPI) is 1134859283, issued on Jun 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Julian Santiago-Marrero, MD located?
The NPPES record lists a practice address at Urb Atenas Calle Hernandez Carrion, Manati, PR, 00674. Phone: (787) 988-0721. Providers update this record themselves, so call before visiting.
How can I verify Julian Santiago-Marrero, MD's license?
NPPES lists Puerto Rico license number 23577, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Julian Santiago-Marrero, MD prescribe under Medicare Part D?
In 2024, Julian Santiago-Marrero, MD had 154 Medicare Part D claims for 28 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.