Dr. Jose E. Najul Zambrana, MD
- Medicare services, 2024
- 26
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 7,592
- Hospital affiliations
- 1
- Industry payments
- $157
- Practice address
- Calle Palma Num 55, Arecibo, PR 00612
- Practice phone
- Call (787) 650-1030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Najul Zambrana'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. Jose E. Najul Zambrana is a gastroenterologist in Arecibo, Puerto Rico
Dr. Najul Zambrana practices at Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico, part of Metro Pavia Health System.
Dr. Najul Zambrana's NPI, 1912079203, was assigned on November 14, 2006. Dr. Najul Zambrana graduated from University of Puerto Rico School of Medicine in 1978. Dr. Najul Zambrana holds Puerto Rico license 6631.
- NPI
- 1912079203NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961654876
- NPI enumeration date
- November 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 650-1030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jose E. Najul Zambrana practices at 2 locations in Arecibo, Puerto Rico
Dr. Najul Zambrana's primary practice is Hospital Metropolitano Dr. Susoni, at Calle Palma Num 55, Arecibo, PR 00612 in Arecibo County. The practice phone is (787) 650-1030. Dr. Najul Zambrana also practices at Hospital Metropolitano Dr. Susoni, 55 Calle Palma, Arecibo, PR 00612.
- Hospital Metropolitano Dr. SusoniPrimaryCalle Palma Num 55, Arecibo, PR 00612 · Arecibo CountyPhone(787) 650-1030
- Hospital Metropolitano Dr. Susoni55 Calle Palma, Arecibo, PR 00612 · Arecibo CountyPhone(787) 650-1030
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Jose E. Najul Zambrana is affiliated with 1 site of care
Dr. Najul Zambrana's primary practice is Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico, part of Metro Pavia Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jose E. Najul Zambrana's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Najul Zambrana practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital Metropolitano Dr. Susoni | 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 Metro Pavia Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jose E. Najul Zambrana is one of 170 gastroenterologists in Puerto Rico
Gastroenterology is Dr. Najul Zambrana's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Najul Zambrana is licensed in Puerto Rico.
Specialties and state licenses
- Gastroenterology, Puerto RicoPrimary
Gastroenterologists near Dr. Najul Zambrana
Counts of gastroenterologists 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. Jose E. Najul Zambrana billed Medicare for 26 services in 2024
CMS data shows 26 Medicare services from Dr. Najul Zambrana across 1 procedure code in 2024, all of them office visits, for 17 Medicare patients. Medicare paid $1,327 for them. Every service was in an office.
Dr. Najul Zambrana's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 202024: 2630%
Dr. Najul Zambrana compared with the Puerto Rico median for gastroenterologists, 2024
- Dr. Najul Zambrana
- Puerto Rico median
- Medicare services
- 26vs 4238% below
- Medicare patients
- 17vs 2635% below
- Part D claims
- 7,336vs 1,5304.8 times
Medians across 175 gastroenterologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Najul Zambrana'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. Najul Zambrana and other gastroenterologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jose E. Najul Zambrana treated 17 Medicare patients in 2024, average age 74
CMS counts 17 Medicare patients who saw Dr. Najul Zambrana in 2024. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Najul Zambrana's median patient age at 64, with 100% women.
Chronic conditions among Dr. Najul Zambrana's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
Share of Medicare patients with each condition. A patient can have several.
Dr. Najul Zambrana's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jose E. Najul Zambrana wrote 7,592 Medicare Part D claims in 2024
In 2024, Dr. Najul Zambrana wrote 7,592 Medicare Part D claims for 1,329 patients. 93% of them were for generic drugs. CMS names the drug for 7,336 of them, across 28 drugs with 11 or more claims each, at $144,407 in total drug cost. In 2023, CMS named 6,879 claims across 27 drugs.
Dr. Najul Zambrana's Part D claims by kind of drug, 2024
- Generic7,076 claims93%
- Brand-name516 claims7%
Dr. Najul Zambrana'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. Najul Zambrana's Part D claims, 2024
- Antibiotics5%359 of 7,592 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: 6,8792024: 7,3367%
Drugs named by CMS: 28 in 2024, 27 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. Jose E. Najul Zambrana ranks in the 99th percentile for colonoscopy in Medicare
Dr. Najul Zambrana accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 420 procedures of colonoscopy by Dr. Najul Zambrana, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Najul Zambrana ranks in Medicare procedure volume
- Colonoscopy
- 99th percentile420 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 95th percentile304 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jose E. Najul Zambrana received $157 in industry payments from 2016 to 2025
CMS Open Payments shows 3 general payments to Dr. Najul Zambrana from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $123.
General payments to Dr. Najul Zambrana by program year, 2016 to 2025
Companies that paid Dr. Najul Zambrana the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jose E. Najul Zambrana graduated from University of Puerto Rico School of Medicine
Dr. Najul Zambrana graduated from University of Puerto Rico School of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jose E. Najul Zambrana'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)Doctors and Clinicians Utilization Data (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. Jose E. Najul Zambrana
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. Jose E. Najul Zambrana's NPI number?
Dr. Jose E. Najul Zambrana's NPI number is 1912079203. It was assigned on November 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jose E. Najul Zambrana?
Dr. Jose E. Najul Zambrana is a gastroenterologist in Arecibo, Puerto Rico. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Jose E. Najul Zambrana practice?
Dr. Najul Zambrana practices at Calle Palma Num 55, Arecibo, PR 00612. Dr. Najul Zambrana also practices at 55 Calle Palma, Arecibo, PR 00612. Dr. Najul Zambrana's primary practice is Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico, part of Metro Pavia Health System.
What is Dr. Jose E. Najul Zambrana's office phone number?
The practice phone on file for Dr. Najul Zambrana is (787) 650-1030.
What is Dr. Jose E. Najul Zambrana's medical license number?
Dr. Najul Zambrana holds Puerto Rico license 6631.
Which hospitals is Dr. Jose E. Najul Zambrana affiliated with?
Dr. Najul Zambrana practices at Hospital Metropolitano Dr. Susoni in Arecibo, Puerto Rico.
Does Dr. Jose E. Najul Zambrana accept Medicare?
Yes. CMS data shows Dr. Najul Zambrana billed Medicare for 26 services in 2024, and Dr. Najul Zambrana accepts Medicare assignment.
How many Medicare patients does Dr. Jose E. Najul Zambrana see?
CMS counts 17 Medicare patients who saw Dr. Najul Zambrana in 2024, with an average age of 74.
What services does Dr. Jose E. Najul Zambrana bill to Medicare?
In 2024, Dr. Najul Zambrana's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Jose E. Najul Zambrana go to medical school?
Dr. Najul Zambrana graduated from University of Puerto Rico School of Medicine in 1978.
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What drugs does Dr. Jose E. Najul Zambrana prescribe most?
In 2024 Medicare Part D data, Dr. Najul Zambrana's most prescribed drugs by claims were Famotidine, Pantoprazole Sodium and Dicyclomine HCl.
Has Dr. Jose E. Najul Zambrana received payments from drug or device companies?
CMS Open Payments shows $157 in general payments to Dr. Najul Zambrana from 3 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Jose E. Najul Zambrana been practicing?
Dr. Najul Zambrana graduated from medical school in 1978, 48 years ago.
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