Dr. Sayed Shayan Ahmed, MD
- Medicare services, 2024
- 1,890
- Medicare patients, 2024
- 251
- Part D claims, 2024
- 274
- Hospital affiliations
- 4
- Industry payments
- $2,134
- Practice address
- 411 Park Grove Dr, Katy, TX 77450
- Practice phone
- Call (346) 277-0335
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cyfair Dialysis Center
Katy, Texas
Find Dr. Ahmed's professional email, personal email and mobile number
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Dr. Sayed Shayan Ahmed is a nephrologist in Katy, Texas
Dr. Ahmed practices at Cyfair Dialysis Center in Katy, Texas.
Dr. Ahmed's NPI, 1194160739, was assigned on May 9, 2013. Dr. Ahmed graduated from Saba University School of Medicine in 2013. Dr. Ahmed holds Texas license R4800.
- NPI
- 1194160739NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072811454
- NPI enumeration date
- May 9, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (346) 277-0335
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sayed Shayan Ahmed practices at Cyfair Dialysis Center in Katy, Texas
Dr. Ahmed's primary practice is Cyfair Dialysis Center, at 411 Park Grove Dr, Katy, TX 77450 in Harris County. The practice phone is (346) 277-0335.
- Cyfair Dialysis Center411 Park Grove Dr, Katy, TX 77450 · Harris CountyPhone(346) 277-0335
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sayed Shayan Ahmed is affiliated with 11 sites of care and 1 medical group
Dr. Ahmed's primary practice is Cyfair Dialysis Center in Katy, Texas. Dr. Ahmed is also affiliated with Memorial Hermann-Texas Medical Center. The medical group on file is Renal Clinic of Houston. Dmand AI also links Dr. Ahmed to 3 more hospitals, 5 dialysis centers and 1 group practice or clinic, 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. Sayed Shayan Ahmed's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahmed practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cyfair Dialysis Center | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sayed Shayan Ahmed is one of 1,045 nephrologists in Texas
Nephrology is Dr. Ahmed's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ahmed is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ahmed's licenses on file in 2 states: Texas and Louisiana.
Specialties and state licenses
- Nephrology, TexasPrimary
- Louisiana license
Clinical focus
Dmand AI lists chronic kidney disease, fluid and electrolyte imbalances and kidney disease among the conditions Dr. Ahmed treats.
Nephrologists near Dr. Ahmed
Counts of nephrologists 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. Sayed Shayan Ahmed billed Medicare for 1,890 services in 2024
CMS data shows 1,890 Medicare services from Dr. Ahmed across 8 procedure codes in 2024, for 251 Medicare patients. Medicare paid $123,374 for them.
Dr. Ahmed's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9262024: 1,15124%
- Tests and treatments
- 2023: 1132024: 739554%
Where Dr. Ahmed's Medicare services took place, 2024
- In an office82344%
- In a facility1,06756%
Dr. Ahmed compared with the Texas median for nephrologists, 2024
- Dr. Ahmed
- Texas median
- Medicare services
- 1,890vs 1,04880% above
- Medicare patients
- 251vs 2779% below
- Part D claims
- 149vs 75880% below
Medians across 1,017 nephrologists in Texas 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahmed and other nephrologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sayed Shayan Ahmed treated 251 Medicare patients in 2024, average age 74
CMS counts 251 Medicare patients who saw Dr. Ahmed in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 20% are also on Medicaid. Their average risk score is 4.56, 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 69, with 44% women.
Dr. Ahmed's Medicare patients by age, 2024
Dr. Ahmed's Medicare patients by sex, 2024
- Women11546%
- Men13654%
Chronic conditions among Dr. Ahmed's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease69%
- Heart failure67%
- Diabetes65%
- Atrial fibrillation48%
- Arthritis47%
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 69
Patient panel by sex, all payers
- Women44%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sayed Shayan Ahmed wrote 274 Medicare Part D claims in 2024
In 2024, Dr. Ahmed wrote 274 Medicare Part D claims for 70 patients. 73% of them were for generic drugs. CMS names the drug for 149 of them, across 6 drugs with 11 or more claims each, at $38,418 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Ahmed's Part D claims by kind of drug, 2024
- Generic199 claims73%
- Brand-name75 claims27%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 232024: 149548%
Drugs named by CMS: 6 in 2024, 2 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. Sayed Shayan Ahmed offers telehealth to Medicare patients
Dr. Ahmed accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahmed as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sayed Shayan Ahmed received $2,134 in industry payments from 2016 to 2025
CMS Open Payments shows 83 general payments to Dr. Ahmed from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $442.
General payments to Dr. Ahmed by program year, 2016 to 2025
General payments to Dr. Ahmed by kind, 2016 to 2025
- Food and beverage$2,11599%
- Education$191%
Companies that paid Dr. Ahmed the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sayed Shayan Ahmed graduated from Saba University School of Medicine
Dr. Ahmed graduated from Saba University School of Medicine in 2013.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Sayed Shayan Ahmed accepts plans from 22 insurance carriers
Dr. Ahmed is in network with 22 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- +14 more carriersWith a free account
Plan types Dr. Ahmed accepts, by number of carriers
- HMO13
- PPO13
- Medicare9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sayed Shayan 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 | 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 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Sayed Shayan 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. Sayed Shayan Ahmed's NPI number?
Dr. Sayed Shayan Ahmed's NPI number is 1194160739. It was assigned on May 9, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Sayed Shayan Ahmed?
Dr. Sayed Shayan Ahmed is a nephrologist in Katy, Texas. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Sayed Shayan Ahmed practice?
Dr. Ahmed practices at 411 Park Grove Dr, Katy, TX 77450. Dr. Ahmed's primary practice is Cyfair Dialysis Center in Katy, Texas. Dmand AI also links Dr. Ahmed to 3 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Sayed Shayan Ahmed's office phone number?
The practice phone on file for Dr. Ahmed is (346) 277-0335.
What is Dr. Sayed Shayan Ahmed's medical license number?
Dr. Ahmed holds Texas license R4800, one of the licenses on file in 2 states.
Which states has Dr. Sayed Shayan Ahmed been licensed in?
Dmand AI has state licenses on file for Dr. Ahmed in Texas (2017 to 2026) and Louisiana (2016 to 2020).
Which hospitals is Dr. Sayed Shayan Ahmed affiliated with?
Dr. Ahmed is affiliated with Memorial Hermann-Texas Medical Center. Dmand AI links Dr. Ahmed to 3 more hospitals.
What medical group is Dr. Sayed Shayan Ahmed part of?
Dr. Ahmed is linked to Renal Clinic of Houston.
Does Dr. Sayed Shayan Ahmed accept Medicare?
Yes. CMS data shows Dr. Ahmed billed Medicare for 1,890 services in 2024, and Dr. Ahmed accepts Medicare assignment.
Does Dr. Sayed Shayan Ahmed offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ahmed as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Sayed Shayan Ahmed see?
CMS counts 251 Medicare patients who saw Dr. Ahmed in 2024, with an average age of 74.
Is Dr. Sayed Shayan Ahmed board certified?
Yes. Dr. Ahmed is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Sayed Shayan Ahmed bill to Medicare?
In 2024, Dr. Ahmed's most billed Medicare services were dialysis (90970), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Sayed Shayan Ahmed go to medical school?
Dr. Ahmed graduated from Saba University School of Medicine in 2013.
What drugs does Dr. Sayed Shayan Ahmed prescribe most?
In 2024 Medicare Part D data, Dr. Ahmed's most prescribed drugs by claims were Allopurinol, Farxiga and Veltassa.
Has Dr. Sayed Shayan Ahmed received payments from drug or device companies?
CMS Open Payments shows $2,134 in general payments to Dr. Ahmed from 20 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Sayed Shayan Ahmed been practicing?
Dr. Ahmed graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Sayed Shayan Ahmed accept?
Dr. Ahmed is in network with 22 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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