Dr. Mercedes Dey Nikzad, MD
- Part D claims, 2024
- 44
- Hospital affiliations
- 2
- Industry payments
- $124
- Medical group
- 1
- State license
- 1
- Practice address
- 350 West Thomas Road, Phoenix, AZ 85013
- Practice phone
- Call (602) 406-8225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nikzad'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. Mercedes Dey Nikzad is a general surgeon in Phoenix, Arizona
Dr. Nikzad practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health.
Dr. Nikzad's NPI, 1558822270, was assigned on March 26, 2019. Dr. Nikzad holds Michigan license 4301512065.
- NPI
- 1558822270NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991039877
- NPI enumeration date
- March 26, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 406-8225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mercedes Dey Nikzad practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona
Dr. Nikzad's primary practice is Dignity Health St. Joseph's Hospital and Medical Center, at 350 West Thomas Road, Phoenix, AZ 85013 in Maricopa County. The practice phone is (602) 406-8225.
- Dignity Health St. Joseph's Hospital and Medical Center350 West Thomas Road, Phoenix, AZ 85013 · Maricopa CountyPhone(602) 406-8225
Source: Dmand AI Affiliation Data
Dr. Mercedes Dey Nikzad is affiliated with 2 sites of care and 1 medical group
Dr. Nikzad's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health. Dr. Nikzad is also affiliated with Select Specialty Hospital - Phoenix. The medical group on file is St. Joseph's Faculty Physicians.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mercedes Dey Nikzad's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nikzad practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health St. Joseph's Hospital and Medical Center | Available with a free account |
| +1 more affiliated site | 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 CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mercedes Dey Nikzad is one of 617 general surgeons in Arizona
Surgery is Dr. Nikzad's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Nikzad is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Nikzad
Counts of general surgeons 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. Mercedes Dey Nikzad's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Nikzad's median patient age at 58, with 45% women.
Dr. Nikzad's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women45%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Mercedes Dey Nikzad wrote 44 Medicare Part D claims in 2024
In 2024, Dr. Nikzad wrote 44 Medicare Part D claims for 28 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $28 in total drug cost. In 2023, CMS named 50 claims across 3 drugs.
Dr. Nikzad'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. Nikzad's Part D claims, 2024
- Opioids45%20 of 44 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: 502024: 1374%
Drugs named by CMS: 1 in 2024, 3 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. Mercedes Dey Nikzad ranks in the 46th percentile for colonoscopy in Medicare
Dr. Nikzad accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of colonoscopy by Dr. Nikzad, more than 46% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Nikzad ranks in Medicare procedure volume
- Colonoscopy
- 46th percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Mercedes Dey Nikzad received $124 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Dr. Nikzad from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $104.
General payments to Dr. Nikzad by program year, 2023 to 2025
Companies that paid Dr. Nikzad the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mercedes Dey Nikzad'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Mercedes Dey Nikzad
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. Mercedes Dey Nikzad's NPI number?
Dr. Mercedes Dey Nikzad's NPI number is 1558822270. It was assigned on March 26, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Mercedes Dey Nikzad?
Dr. Mercedes Dey Nikzad is a general surgeon in Phoenix, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Mercedes Dey Nikzad practice?
Dr. Nikzad practices at 350 West Thomas Road, Phoenix, AZ 85013. Dr. Nikzad's primary practice is Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona, part of CommonSpirit Health.
What is Dr. Mercedes Dey Nikzad's office phone number?
The practice phone on file for Dr. Nikzad is (602) 406-8225.
What is Dr. Mercedes Dey Nikzad's medical license number?
Dr. Nikzad holds Michigan license 4301512065.
Which hospitals is Dr. Mercedes Dey Nikzad affiliated with?
Dr. Nikzad practices at Dignity Health St. Joseph's Hospital and Medical Center in Phoenix, Arizona. Dr. Nikzad is also affiliated with Select Specialty Hospital - Phoenix.
What medical group is Dr. Mercedes Dey Nikzad part of?
Dr. Nikzad is linked to St. Joseph's Faculty Physicians.
Does Dr. Mercedes Dey Nikzad accept Medicare?
Yes. CMS lists Dr. Nikzad as accepting Medicare assignment.
What drugs does Dr. Mercedes Dey Nikzad prescribe most?
In 2024 Medicare Part D data, Dr. Nikzad's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Mercedes Dey Nikzad received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. Nikzad from 2 companies from 2023 to 2025. The largest total came from Inari Medical, Inc.
How long has Dr. Mercedes Dey Nikzad been practicing?
Dr. Nikzad graduated from medical school in 2019, 7 years ago.
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