Dr. Nasser Hajaig, MD
- Medicare services, 2024
- 84
- Medicare patients, 2024
- 23
- Part D claims, 2024
- 98
- Industry payments
- $687,365
- Affiliated sites
- 4
- Practice address
- 220 South 12th Avenue, Phoenix, AZ 85007
- Practice phone
- Call (602) 690-0598
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Downtown Family Health Center
FQHC - Main Site · Phoenix, Arizona
Find Dr. Hajaig'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. Nasser Hajaig is an internist in Phoenix, Arizona
Dr. Hajaig practices at Downtown Family Health Center in Phoenix, Arizona.
Dr. Hajaig's NPI, 1457324204, was assigned on February 10, 2006. Dr. Hajaig holds Arizona license 25018.
- NPI
- 1457324204NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800788787
- NPI enumeration date
- February 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 690-0598
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nasser Hajaig practices at Downtown Family Health Center in Phoenix, Arizona
Dr. Hajaig's primary practice is Downtown Family Health Center, at 220 South 12th Avenue, Phoenix, AZ 85007. The practice phone is (602) 690-0598.
- Downtown Family Health Center220 South 12th Avenue, Phoenix, AZ 85007Phone(602) 690-0598
Source: Dmand AI Affiliation Data
Dr. Nasser Hajaig is affiliated with 4 sites of care and 5 medical groups
Dr. Hajaig's primary practice is Downtown Family Health Center in Phoenix, Arizona. The medical group on file is Circle the City. Dmand AI also links Dr. Hajaig to 4 more medical groups, 1 community health center, 1 physician office and 1 group practice or clinic, 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. Nasser Hajaig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hajaig practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downtown Family Health Center | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nasser Hajaig is one of 2,420 internists in Arizona
Internal medicine is Dr. Hajaig's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hajaig is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Hajaig
Counts of internists 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. Nasser Hajaig billed Medicare for 84 services in 2024
CMS data shows 84 Medicare services from Dr. Hajaig across 2 procedure codes in 2024, for 23 Medicare patients. Medicare paid $4,107 for them. Every service was in an office.
Dr. Hajaig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 152024: 60300%
- Lab and pathology
- 2023: 02024: 24
Dr. Hajaig compared with the Arizona median for internists, 2024
- Dr. Hajaig
- Arizona median
- Medicare services
- 84vs 47682% below
- Medicare patients
- 23vs 20589% below
- Part D claims
- 43vs 26083% below
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Hajaig'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nasser Hajaig treated 23 Medicare patients in 2024, average age 72
CMS counts 23 Medicare patients who saw Dr. Hajaig in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hajaig's median patient age at 50, with 31% women.
Dr. Hajaig's Medicare patients by sex, 2024
- Women1252%
- Men1148%
Chronic conditions among Dr. Hajaig's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hajaig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women31%
- Men68%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nasser Hajaig wrote 98 Medicare Part D claims in 2024
In 2024, Dr. Hajaig wrote 98 Medicare Part D claims for 27 patients. 89% of them were for generic drugs. CMS names the drug for 43 of them, across 3 drugs with 11 or more claims each, at $333 in total drug cost. In 2022, CMS named 18 claims across 1 drug.
Dr. Hajaig's Part D claims by kind of drug, 2024
- Generic87 claims89%
- Brand-name and other11 claims11%
Dr. Hajaig's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 182023: 43139%
Drugs named by CMS: 3 in 2023, 1 in 2022.
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. Nasser Hajaig takes part in Medicare
Dr. Hajaig 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. Nasser Hajaig received $687,365 in industry payments from 2018 to 2025
CMS Open Payments shows 563 general payments to Dr. Hajaig from 5 drug and device companies from 2018 to 2025. Consulting fees make up the largest share, 96% of the total. Takeda Pharmaceuticals U.S.A., Inc. paid the most, $676,587.
General payments to Dr. Hajaig by program year, 2018 to 2025
General payments to Dr. Hajaig by kind, 2018 to 2025
- Consulting fees$658,76396%
- Travel and lodging$26,0924%
- Food and beverage$2,5100%
Companies that paid Dr. Hajaig the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nasser Hajaig'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) |
| 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. Nasser Hajaig
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. Nasser Hajaig's NPI number?
Dr. Nasser Hajaig's NPI number is 1457324204. It was assigned on February 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nasser Hajaig?
Dr. Nasser Hajaig is an internist in Phoenix, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nasser Hajaig practice?
Dr. Hajaig practices at 220 South 12th Avenue, Phoenix, AZ 85007. Dr. Hajaig's primary practice is Downtown Family Health Center in Phoenix, Arizona. Dmand AI also links Dr. Hajaig to 4 medical groups, 1 community health center, 1 physician office and 1 group practice or clinic.
What is Dr. Nasser Hajaig's office phone number?
The practice phone on file for Dr. Hajaig is (602) 690-0598.
What is Dr. Nasser Hajaig's medical license number?
Dr. Hajaig holds Arizona license 25018.
What medical group is Dr. Nasser Hajaig part of?
Dr. Hajaig is linked to Circle the City. Dmand AI links Dr. Hajaig to 4 more medical groups.
Does Dr. Nasser Hajaig accept Medicare?
Yes. CMS data shows Dr. Hajaig billed Medicare for 84 services in 2024, and Dr. Hajaig accepts Medicare assignment.
How many Medicare patients does Dr. Nasser Hajaig see?
CMS counts 23 Medicare patients who saw Dr. Hajaig in 2024, with an average age of 72.
What services does Dr. Nasser Hajaig bill to Medicare?
In 2024, Dr. Hajaig's most billed Medicare services were office visit, established patient (99214) and lab and pathology test (81002).
What drugs does Dr. Nasser Hajaig prescribe most?
In 2023 Medicare Part D data, Dr. Hajaig's most prescribed drugs by claims were Amlodipine Besylate, Hydrochlorothiazide and Lisinopril.
Has Dr. Nasser Hajaig received payments from drug or device companies?
CMS Open Payments shows $687,365 in general payments to Dr. Hajaig from 5 companies from 2018 to 2025. The largest total came from Takeda Pharmaceuticals U.S.A., Inc.
How long has Dr. Nasser Hajaig been practicing?
Dr. Hajaig graduated from medical school in 1993, 33 years ago.
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