Dr. Alya Zia Ahmad, MD
- Part D claims, 2024
- 19
- Industry payments
- $2,092
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 4830 Business Center Dr, Fairfield, CA 94534
- Practice phone
- Call (800) 281-1764
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Timberlake Respiratory Care & Home Medical Equipment
Fairfield, California
Find Dr. Ahmad'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. Alya Zia Ahmad is a pediatrician in Fairfield, California
Dr. Ahmad practices at Timberlake Respiratory Care & Home Medical Equipment in Fairfield, California.
Dr. Ahmad's NPI, 1679579726, was assigned on June 23, 2005. Dr. Ahmad graduated from University of Texas Medical School at San Antonio in 1998. Dr. Ahmad holds California license C55900.
- NPI
- 1679579726NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577461599
- NPI enumeration date
- June 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 281-1764
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alya Zia Ahmad practices at Timberlake Respiratory Care & Home Medical Equipment in Fairfield, California
Dr. Ahmad's primary practice is Timberlake Respiratory Care & Home Medical Equipment, at 4830 Business Center Dr, Fairfield, CA 94534 in Solano County. The practice phone is (800) 281-1764.
- Timberlake Respiratory Care & Home Medical Equipment4830 Business Center Dr, Fairfield, CA 94534 · Solano CountyPhone(800) 281-1764
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alya Zia Ahmad is affiliated with 2 sites of care and 2 medical groups
Dr. Ahmad's primary practice is Timberlake Respiratory Care & Home Medical Equipment in Fairfield, California. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Ahmad to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alya Zia Ahmad's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahmad practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Timberlake Respiratory Care & Home Medical Equipment | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alya Zia Ahmad is one of 8,236 pediatricians in California
Pediatrics is Dr. Ahmad's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Ahmad is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Ahmad
Counts of pediatricians 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. Alya Zia Ahmad's patients have a median age of 41
Across all payers, Dmand AI patient panel data puts Dr. Ahmad's median patient age at 41, with 54% women.
Dr. Ahmad's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women54%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Alya Zia Ahmad wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Ahmad wrote 19 Medicare Part D claims. 79% of them were for generic drugs.
Dr. Ahmad's Part D claims by kind of drug, 2024
- Generic15 claims79%
- Brand-name and other4 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Alya Zia Ahmad takes part in Medicare
Dr. Ahmad 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. Alya Zia Ahmad received $2,092 in industry payments from 2021 to 2025
CMS Open Payments shows 6 general payments to Dr. Ahmad from 4 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. BrainsWay USA Inc paid the most, $1,913.
General payments to Dr. Ahmad by program year, 2021 to 2025
Companies that paid Dr. Ahmad the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alya Zia Ahmad graduated from University of Texas Medical School at San Antonio
Dr. Ahmad graduated from University of Texas Medical School at San Antonio in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alya Zia Ahmad'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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. Alya Zia Ahmad
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. Alya Zia Ahmad's NPI number?
Dr. Alya Zia Ahmad's NPI number is 1679579726. It was assigned on June 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alya Zia Ahmad?
Dr. Alya Zia Ahmad is a pediatrician in Fairfield, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Alya Zia Ahmad practice?
Dr. Ahmad practices at 4830 Business Center Dr, Fairfield, CA 94534. Dr. Ahmad's primary practice is Timberlake Respiratory Care & Home Medical Equipment in Fairfield, California. Dmand AI also links Dr. Ahmad to 1 group practice or clinic and 1 medical group.
What is Dr. Alya Zia Ahmad's office phone number?
The practice phone on file for Dr. Ahmad is (800) 281-1764.
What is Dr. Alya Zia Ahmad's medical license number?
Dr. Ahmad holds California license C55900.
What medical group is Dr. Alya Zia Ahmad part of?
Dr. Ahmad is linked to SGMF Radiology. Dmand AI links Dr. Ahmad to 1 more medical group.
Does Dr. Alya Zia Ahmad accept Medicare?
Yes. CMS lists Dr. Ahmad as accepting Medicare assignment.
Where did Dr. Alya Zia Ahmad go to medical school?
Dr. Ahmad graduated from University of Texas Medical School at San Antonio in 1998.
Has Dr. Alya Zia Ahmad received payments from drug or device companies?
CMS Open Payments shows $2,092 in general payments to Dr. Ahmad from 4 companies from 2021 to 2025. The largest total came from BrainsWay USA Inc.
How long has Dr. Alya Zia Ahmad been practicing?
Dr. Ahmad graduated from medical school in 1998, 28 years ago.
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