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Dr. Nisar Ahmed, MD
NPI1023084266PAC ID1850381112
- Medicare services, 2024
- 601
- Medicare patients, 2024
- 300
- Part D claims, 2024
- 254
- Publications
- 5
- Hospital affiliations
- 3
- Practice address
- 3555 South Val Vista Drive, Gilbert, AZ 85297
- Practice phone
- Call (480) 728-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ahmed'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. Nisar Ahmed is an internist in Gilbert, Arizona
Dr. Ahmed practices at Dignity Health Mercy Gilbert Medical Center in Gilbert, Arizona, part of CommonSpirit Health.
Dr. Ahmed's NPI, 1023084266, was assigned on February 27, 2006. Dr. Ahmed holds Arizona license 22549.
NPI and contact details
- NPI
- 1023084266NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850381112
- NPI enumeration date
- February 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 728-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nisar Ahmed practices at Dignity Health Mercy Gilbert Medical Center in Gilbert, Arizona
Dr. Ahmed's primary practice is Dignity Health Mercy Gilbert Medical Center, at 3555 South Val Vista Drive, Gilbert, AZ 85297 in Maricopa County. The practice phone is (480) 728-8000.
- Dignity Health Mercy Gilbert Medical Center3555 South Val Vista Drive, Gilbert, AZ 85297 · Maricopa CountyPhone(480) 728-8000
Source: Dmand AI Affiliation Data
Dr. Nisar Ahmed is affiliated with 5 sites of care and 2 medical groups
Dr. Ahmed's primary practice is Dignity Health Mercy Gilbert Medical Center in Gilbert, Arizona, part of CommonSpirit Health. Dr. Ahmed is also affiliated with Dignity Health - Arizona General Hospital Mesa. The medical group on file is Pioneer Hospitalists. Dmand AI also links Dr. Ahmed to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Dignity Health - Arizona General Hospital MesaPioneer Hospitalists1 hospitalName with a free account2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 7 affiliations for Dr. AhmedSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nisar Ahmed's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahmed practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health Mercy Gilbert Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nisar Ahmed is one of 2,420 internists in Arizona
Internal medicine is Dr. Ahmed's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ahmed is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Ahmed
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
2,420internists in Arizona127internists in Gilbert23internists at Dignity Health Mercy Gilbert Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nisar Ahmed billed Medicare for 601 services in 2024
CMS data shows 601 Medicare services from Dr. Ahmed across 4 procedure codes in 2024, for 300 Medicare patients. Medicare paid $53,504 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024601
Medicare patients300
Paid by Medicare$53,504
Procedure codes4
Dr. Ahmed's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0512024: 60143%
Dr. Ahmed compared with the Arizona median for internists, 2024
- Dr. Ahmed
- Arizona median
- Medicare services
- 601vs 47626% above
- Medicare patients
- 300vs 20546% above
- Part D claims
- 81vs 26069% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Ahmed'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.
Need commercial claims for Dr. Ahmed?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahmed and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nisar Ahmed treated 300 Medicare patients in 2024, average age 75
CMS counts 300 Medicare patients who saw Dr. Ahmed in 2024. The largest group is 65 to 74, with 134 patients. 75% of them have arthritis, and 75% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.71, 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. Ahmed's median patient age at 73, with 59% women.
Medicare patients, 2024300
Average age75
Average risk score1.71
Also on Medicaid6%
Dr. Ahmed's Medicare patients by age, 2024
Dr. Ahmed's Medicare patients by sex, 2024
- Women15652%
- Men14448%
Chronic conditions among Dr. Ahmed's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease45%
- Ischemic heart disease44%
- Diabetes41%
- Mood disorders35%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahmed's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nisar Ahmed wrote 254 Medicare Part D claims in 2024
In 2024, Dr. Ahmed wrote 254 Medicare Part D claims for 153 patients. 91% of them were for generic drugs. CMS names the drug for 81 of them, across 4 drugs with 11 or more claims each, at $632 in total drug cost. In 2023, CMS named 217 claims across 9 drugs.
Part D claims, 2024254
Drugs named by CMS4
Total drug cost$632
Part D patients153
Dr. Ahmed's Part D claims by kind of drug, 2024
- Generic232 claims91%
- Brand-name and other22 claims9%
Dr. Ahmed'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. Ahmed's Part D claims, 2024
- Opioids27%69 of 254 claims
- Antibiotics15%37 of 254 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: 2172024: 8163%
Drugs named by CMS: 4 in 2024, 9 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. Nisar Ahmed takes part in Medicare
Dr. Ahmed 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)
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Dr. Nisar Ahmed has 5 publications on record
Dmand AI links 5 papers to Dr. Ahmed, published from 2023 to 2024. 2024 was the busiest year, with 4. Dr. Ahmed's most frequent co-author is Abdul Mustajeeb Haseeb, MD.
Papers5
Years published2023 to 2024
Dr. Ahmed's most frequent co-authors
Recent publications by Dr. Ahmed
Gastric BypassObesity, MorbidPostoperative Complications
See who Dr. Ahmed researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ahmed works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nisar Ahmed received $45 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Ahmed from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. FUJIFILM Wako Diagnostics U.S.A. Corporation paid the most, $45.
Companies that paid Dr. Ahmed the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nisar Ahmed'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Nisar Ahmed
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. Nisar Ahmed's NPI number?
Dr. Nisar Ahmed's NPI number is 1023084266. It was assigned on February 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nisar Ahmed?
Dr. Nisar Ahmed is an internist in Gilbert, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nisar Ahmed practice?
Dr. Ahmed practices at 3555 South Val Vista Drive, Gilbert, AZ 85297. Dr. Ahmed's primary practice is Dignity Health Mercy Gilbert Medical Center in Gilbert, Arizona, part of CommonSpirit Health. Dmand AI also links Dr. Ahmed to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Nisar Ahmed's office phone number?
The practice phone on file for Dr. Ahmed is (480) 728-8000.
What is Dr. Nisar Ahmed's medical license number?
Dr. Ahmed holds Arizona license 22549.
Which hospitals is Dr. Nisar Ahmed affiliated with?
Dr. Ahmed practices at Dignity Health Mercy Gilbert Medical Center in Gilbert, Arizona. Dr. Ahmed is also affiliated with Dignity Health - Arizona General Hospital Mesa. Dmand AI links Dr. Ahmed to 1 more hospital.
What medical group is Dr. Nisar Ahmed part of?
Dr. Ahmed is linked to Pioneer Hospitalists. Dmand AI links Dr. Ahmed to 1 more medical group.
Does Dr. Nisar Ahmed accept Medicare?
Yes. CMS data shows Dr. Ahmed billed Medicare for 601 services in 2024, and Dr. Ahmed accepts Medicare assignment.
How many Medicare patients does Dr. Nisar Ahmed see?
CMS counts 300 Medicare patients who saw Dr. Ahmed in 2024, with an average age of 75.
What services does Dr. Nisar Ahmed bill to Medicare?
In 2024, Dr. Ahmed's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Nisar Ahmed prescribe most?
In 2024 Medicare Part D data, Dr. Ahmed's most prescribed drugs by claims were Oxycodone HCl, Cyclobenzaprine HCl and Oxycodone-Acetaminophen.
Has Dr. Nisar Ahmed received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Dr. Ahmed from 1 company from 2017 to 2017. The largest total came from FUJIFILM Wako Diagnostics U.S.A. Corporation.
How long has Dr. Nisar Ahmed been practicing?
Dr. Ahmed graduated from medical school in 1987, 39 years ago.
Does Dr. Nisar Ahmed do research?
Dmand AI links 5 publications to Dr. Ahmed, published from 2023 to 2024.
Who does Dr. Nisar Ahmed publish with?
Dr. Ahmed's most frequent co-authors are Abdul Mustajeeb Haseeb, MD (1 shared paper).
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