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Dr. Najam A. Zaidi, MD
NPI1679558266PAC ID9537072186
- Medicare services, 2024
- 388
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 773
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 115 Cass Avenue, Woonsocket, RI 02895
- Practice phone
- Call (401) 769-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zaidi's professional email, personal email and mobile number
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Dr. Najam A. Zaidi is an infectious disease specialist in Woonsocket, Rhode Island
Dr. Zaidi practices at Landmark Medical Center in Woonsocket, Rhode Island, part of Prime Healthcare Services.
Dr. Zaidi's NPI, 1679558266, was assigned on December 7, 2005. Dr. Zaidi holds Rhode Island license MD11198.
NPI and contact details
- NPI
- 1679558266NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537072186
- NPI enumeration date
- December 7, 2005
- NPI status
- Active
- Practice phone
- (401) 769-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Najam A. Zaidi practices at Landmark Medical Center in Woonsocket, Rhode Island
Dr. Zaidi's primary practice is Landmark Medical Center, at 115 Cass Avenue, Woonsocket, RI 02895 in Providence County. The practice phone is (401) 769-4100.
- Landmark Medical Center115 Cass Avenue, Woonsocket, RI 02895 · Providence CountyPhone(401) 769-4100
Source: Dmand AI Affiliation Data
Dr. Najam A. Zaidi is affiliated with 2 sites of care and 8 medical groups
Dr. Zaidi's primary practice is Landmark Medical Center in Woonsocket, Rhode Island, part of Prime Healthcare Services. Dr. Zaidi is also affiliated with Morton Hospital. The medical group on file is Landmark Medical Group. Dmand AI also links Dr. Zaidi to 7 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Najam A. Zaidi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zaidi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Landmark Medical Center | Available with a free account |
| +1 more site and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Najam A. Zaidi is one of 56 infectious disease specialists in Rhode Island
Infectious disease is Dr. Zaidi's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Zaidi's licenses on file in 2 states: Rhode Island and Massachusetts.
Specialties and state licenses
- Infectious disease, Rhode IslandPrimary
- Massachusetts license
Infectious disease specialists near Dr. Zaidi
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
56infectious disease specialists in Rhode Island2infectious disease specialists at Landmark Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Najam A. Zaidi billed Medicare for 388 services in 2024
CMS data shows 388 Medicare services from Dr. Zaidi across 3 procedure codes in 2024, for 265 Medicare patients. Medicare paid $46,258 for them.
Medicare services, 2024388
Medicare patients265
Paid by Medicare$46,258
Procedure codes3
Dr. Zaidi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5502024: 38829%
Where Dr. Zaidi's Medicare services took place, 2024
- In an office277%
- In a facility36193%
Dr. Zaidi compared with the Rhode Island median for infectious disease specialists, 2024
- Dr. Zaidi
- Rhode Island median
- Medicare services
- 388vs 914.3 times
- Medicare patients
- 265vs 664.0 times
- Part D claims
- 555vs 1085.1 times
Medians across 55 infectious disease specialists in Rhode Island with Dmand AI profiles that report each measure.
Dr. Zaidi'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. Zaidi and other infectious disease specialists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Najam A. Zaidi treated 265 Medicare patients in 2024, average age 74
CMS counts 265 Medicare patients who saw Dr. Zaidi in 2024. The largest group is 75 to 84, with 85 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zaidi's median patient age at 65, with 44% women.
Medicare patients, 2024265
Average age74
Average risk score2.73
Also on Medicaid43%
Dr. Zaidi's Medicare patients by age, 2024
Dr. Zaidi's Medicare patients by sex, 2024
- Women13651%
- Men12949%
Chronic conditions among Dr. Zaidi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes55%
- Chronic kidney disease54%
- Mood disorders53%
- Anxiety51%
- Depression50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zaidi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women44%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Najam A. Zaidi wrote 773 Medicare Part D claims in 2024
In 2024, Dr. Zaidi wrote 773 Medicare Part D claims for 96 patients. CMS names the drug for 555 of them, across 18 drugs with 11 or more claims each, at $979,425 in total drug cost. In 2023, CMS named 366 claims across 11 drugs.
Part D claims, 2024773
Drugs named by CMS18
Total drug cost$979,425
Part D patients96
Dr. Zaidi'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. Zaidi's Part D claims, 2024
- Antibiotics12%91 of 773 claims
- Antipsychotics, patients 65 and over2%12 of 773 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: 3662024: 55552%
Drugs named by CMS: 18 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. Najam A. Zaidi has 3 publications on record
Dmand AI links 3 papers to Dr. Zaidi, published from 2018 to 2020. Dr. Zaidi's most frequent co-authors are Jumanah Algazaq, MD, Naomi Hauser, MD and John R. Lonks, MD.
Papers3
Years published2018 to 2020
Dr. Zaidi's papers by year, 2018 to 2020
Dr. Zaidi's most frequent co-authors
Recent publications by Dr. Zaidi
Transfus Apher Sci
Anti-Bacterial AgentsBabesiosisErythrocyte Transfusion
See who Dr. Zaidi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zaidi works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Najam A. Zaidi received $44,137 in industry payments from 2016 to 2025
CMS Open Payments shows 279 general payments to Dr. Zaidi from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 70% of the total. Astellas Pharma US Inc paid the most, $19,573.
General payments to Dr. Zaidi by program year, 2016 to 2025
General payments to Dr. Zaidi by kind, 2016 to 2025
$44.1Kin total
- Speaker and faculty fees$30,85970%
- Food and beverage$6,77215%
- Travel and lodging$3,5048%
- Consulting fees$2,0555%
- Education$9482%
Companies that paid Dr. Zaidi 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. Najam A. Zaidi'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Najam A. Zaidi
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. Najam A. Zaidi's NPI number?
Dr. Najam A. Zaidi's NPI number is 1679558266. It was assigned on December 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Najam A. Zaidi?
Dr. Najam A. Zaidi is an infectious disease specialist in Woonsocket, Rhode Island. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Najam A. Zaidi practice?
Dr. Zaidi practices at 115 Cass Avenue, Woonsocket, RI 02895. Dr. Zaidi's primary practice is Landmark Medical Center in Woonsocket, Rhode Island, part of Prime Healthcare Services. Dmand AI also links Dr. Zaidi to 7 medical groups.
What is Dr. Najam A. Zaidi's office phone number?
The practice phone on file for Dr. Zaidi is (401) 769-4100.
What is Dr. Najam A. Zaidi's medical license number?
Dr. Zaidi holds Rhode Island license MD11198, one of the licenses on file in 2 states.
Which states has Dr. Najam A. Zaidi been licensed in?
Dmand AI has state licenses on file for Dr. Zaidi in Rhode Island and Massachusetts.
Which hospitals is Dr. Najam A. Zaidi affiliated with?
Dr. Zaidi practices at Landmark Medical Center in Woonsocket, Rhode Island. Dr. Zaidi is also affiliated with Morton Hospital.
What medical group is Dr. Najam A. Zaidi part of?
Dr. Zaidi is linked to Landmark Medical Group. Dmand AI links Dr. Zaidi to 7 more medical groups.
Does Dr. Najam A. Zaidi accept Medicare?
Yes. CMS data shows Dr. Zaidi billed Medicare for 388 services in 2024.
How many Medicare patients does Dr. Najam A. Zaidi see?
CMS counts 265 Medicare patients who saw Dr. Zaidi in 2024, with an average age of 74.
Show 6 more questionsShow fewer questions
What services does Dr. Najam A. Zaidi bill to Medicare?
In 2024, Dr. Zaidi's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and office visit, established patient (99215).
What drugs does Dr. Najam A. Zaidi prescribe most?
In 2024 Medicare Part D data, Dr. Zaidi's most prescribed drugs by claims were Dovato, Biktarvy and Synthroid.
Has Dr. Najam A. Zaidi received payments from drug or device companies?
CMS Open Payments shows $44,137 in general payments to Dr. Zaidi from 18 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Najam A. Zaidi been practicing?
Dr. Zaidi graduated from medical school in 1995, 31 years ago.
Does Dr. Najam A. Zaidi do research?
Dmand AI links 3 publications to Dr. Zaidi, published from 2018 to 2020.
Who does Dr. Najam A. Zaidi publish with?
Dr. Zaidi's most frequent co-authors are Jumanah Algazaq, MD (1 shared paper), Naomi Hauser, MD (1 shared paper) and John R. Lonks, MD (1 shared paper).
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