Exp Clin Transplant
Laya Nasrollah
- Medicare services, 2024
- 2,420
- Medicare patients, 2024
- 829
- Part D claims, 2024
- 567
- Publications
- 7
- Hospital affiliations
- 1
- Practice address
- 168 N Brent St, Ventura, CA 93003
- Practice phone
- Call (805) 643-5438
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Plaza Surgical Center, Inc.
Ventura, California
Find Laya Nasrollah'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.
Laya Nasrollah is a gastroenterologist in Ventura, California
Laya Nasrollah practices at Plaza Surgical Center, Inc. in Ventura, California.
Laya Nasrollah's NPI, 1558673566, was assigned on July 7, 2010. Laya Nasrollah graduated from UTMB Health in 2010. Laya Nasrollah holds California license A142119.
- NPI
- 1558673566NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921391137
- NPI enumeration date
- July 7, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (805) 643-5438
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Laya Nasrollah practices at Plaza Surgical Center, Inc. in Ventura, California
Laya Nasrollah's primary practice is Plaza Surgical Center, Inc., at 168 N Brent St, Ventura, CA 93003 in Ventura County. The practice phone is (805) 643-5438.
- Plaza Surgical Center, Inc.168 N Brent St, Ventura, CA 93003 · Ventura CountyPhone(805) 643-5438
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Laya Nasrollah is affiliated with 5 sites of care and 3 medical groups
Laya Nasrollah's primary practice is Plaza Surgical Center, Inc. in Ventura, California. Laya Nasrollah is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Ventura County Medical Center. Dmand AI also links Laya Nasrollah to 3 more group practices and clinics and 2 medical groups, 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 Laya Nasrollah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Laya Nasrollah practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Plaza Surgical Center, Inc. | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Laya Nasrollah is one of 1,977 gastroenterologists in California
Gastroenterology is Laya Nasrollah's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Laya Nasrollah is board certified in gastroenterology by the American Board of Internal Medicine. Laya Nasrollah is licensed in California.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver and gastroduodenitis among the conditions Laya Nasrollah treats.
Gastroenterologists near Laya Nasrollah
Counts of gastroenterologists 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
Laya Nasrollah billed Medicare for 2,420 services in 2024
CMS data shows 2,420 Medicare services from Laya Nasrollah across 24 procedure codes in 2024, for 829 Medicare patients. Medicare paid $170,459 for them.
Laya Nasrollah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3072024: 1,437368%
- Surgery
- 2023: 4702024: 5109%
- Other services
- 2023: 3132024: 47351%
Where Laya Nasrollah's Medicare services took place, 2024
- In an office1,64768%
- In a facility77332%
Laya Nasrollah compared with the California median for gastroenterologists, 2024
- Laya Nasrollah
- California median
- Medicare services
- 2,420vs 5864.1 times
- Medicare patients
- 829vs 3022.7 times
- Part D claims
- 415vs 3809% above
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Laya Nasrollah'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 Laya Nasrollah?
Medicare shows one payer. Book a meeting to get commercial claims data for Laya Nasrollah and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Laya Nasrollah treated 829 Medicare patients in 2024, average age 72
CMS counts 829 Medicare patients who saw Laya Nasrollah in 2024. The largest group is 65 to 74, with 444 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Laya Nasrollah's median patient age at 63, with 56% women.
Laya Nasrollah's Medicare patients by age, 2024
Laya Nasrollah's Medicare patients by sex, 2024
- Women50661%
- Men32339%
Chronic conditions among Laya Nasrollah's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes33%
- Mood disorders30%
- Anxiety28%
- Depression28%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Laya Nasrollah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Laya Nasrollah wrote 567 Medicare Part D claims in 2024
In 2024, Laya Nasrollah wrote 567 Medicare Part D claims for 205 patients. 74% of them were for generic drugs. CMS names the drug for 415 of them, across 12 drugs with 11 or more claims each, at $121,695 in total drug cost. In 2023, CMS named 557 claims across 15 drugs.
Laya Nasrollah's Part D claims by kind of drug, 2024
- Generic420 claims74%
- Brand-name147 claims26%
Laya Nasrollah'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 Laya Nasrollah's Part D claims, 2024
- Antibiotics3%17 of 567 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: 5572024: 41525%
Drugs named by CMS: 12 in 2024, 15 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
Laya Nasrollah ranks in the 95th percentile for colonoscopy in Medicare
Laya Nasrollah accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Laya Nasrollah as offering telehealth. CMS counts 236 procedures of colonoscopy by Laya Nasrollah, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Laya Nasrollah ranks in Medicare procedure volume
- Colonoscopy
- 95th percentile236 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 90th percentile205 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Laya Nasrollah has 7 publications on record
Dmand AI links 7 papers to Laya Nasrollah, published from 2014 to 2020. 2014 was the busiest year, with 2. The most frequent topics are Gastroesophageal Reflux and Sleep. Laya Nasrollah's most frequent co-authors are Deborah E. Carlson, MD, Stephen D. Covington, MD and Ronnie Fass, MD.
Laya Nasrollah's papers by year, 2014 to 2020
Topics Laya Nasrollah writes about most
- Gastroesophageal Reflux
- Sleep
Laya Nasrollah's most frequent co-authors
- Deborah E. Carlson, MD2 shared papers
- Stephen D. Covington, MD2 shared papers
- Ronnie Fass, MD2 shared papers
Recent publications by Laya Nasrollah
Clin Gastroenterol Hepatol
See who Laya Nasrollah researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Laya Nasrollah works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Laya Nasrollah received $2,589 in industry payments from 2016 to 2025
CMS Open Payments shows 84 general payments to Laya Nasrollah from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 66% of the total. Covidien LP paid the most, $1,067.
General payments to Laya Nasrollah by program year, 2016 to 2025
General payments to Laya Nasrollah by kind, 2016 to 2025
- Food and beverage$1,70766%
- Travel and lodging$86433%
- Education$181%
Companies that paid Laya Nasrollah the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Laya Nasrollah graduated from UTMB Health
Laya Nasrollah graduated from UTMB Health in 2010. Laya Nasrollah is a member of ASGE.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Laya Nasrollah accepts plans from 8 insurance carriers
Laya Nasrollah is in network with 8 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Humana
Plan types Laya Nasrollah accepts, by number of carriers
- Medicare7
- PPO6
- HMO4
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Laya Nasrollah'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)Doctors and Clinicians Utilization Data (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) |
| 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 Laya Nasrollah
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Laya Nasrollah's NPI number?
Laya Nasrollah's NPI number is 1558673566. It was assigned on July 7, 2010, and it is active in the NPI Registry.
What does Laya Nasrollah specialize in?
Laya Nasrollah is a gastroenterologist in Ventura, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Laya Nasrollah practice?
Laya Nasrollah practices at 168 N Brent St, Ventura, CA 93003. Laya Nasrollah's primary practice is Plaza Surgical Center, Inc. in Ventura, California. Dmand AI also links Laya Nasrollah to 3 group practices and clinics and 2 medical groups.
What is Laya Nasrollah's office phone number?
The practice phone on file for Laya Nasrollah is (805) 643-5438.
What is Laya Nasrollah's medical license number?
Laya Nasrollah holds California license A142119.
Which hospitals is Laya Nasrollah affiliated with?
Laya Nasrollah is affiliated with Community Memorial Hospital - Ventura.
What medical group is Laya Nasrollah part of?
Laya Nasrollah is linked to Ventura County Medical Center. Dmand AI links Laya Nasrollah to 2 more medical groups.
Does Laya Nasrollah accept Medicare?
Yes. CMS data shows Laya Nasrollah billed Medicare for 2,420 services in 2024, and Laya Nasrollah accepts Medicare assignment.
Does Laya Nasrollah offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Laya Nasrollah as offering telehealth services.
How many Medicare patients does Laya Nasrollah see?
CMS counts 829 Medicare patients who saw Laya Nasrollah in 2024, with an average age of 72.
Show 9 more questionsShow fewer questions
Is Laya Nasrollah board certified?
Yes. Laya Nasrollah is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Laya Nasrollah bill to Medicare?
In 2024, Laya Nasrollah's most billed Medicare services were care management and other visits (99458), medicare service (G0500) and care management and other visits (99439).
Where did Laya Nasrollah go to medical school?
Laya Nasrollah graduated from UTMB Health in 2010.
What drugs does Laya Nasrollah prescribe most?
In 2024 Medicare Part D data, Laya Nasrollah's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Omeprazole and Linzess.
Has Laya Nasrollah received payments from drug or device companies?
CMS Open Payments shows $2,589 in general payments to Laya Nasrollah from 22 companies from 2016 to 2025. The largest total came from Covidien LP.
How long has Laya Nasrollah been practicing?
Laya Nasrollah graduated from medical school in 2010, 16 years ago.
Does Laya Nasrollah do research?
Dmand AI links 7 publications to Laya Nasrollah, published from 2014 to 2020.
Who does Laya Nasrollah publish with?
Laya Nasrollah's most frequent co-authors are Deborah E. Carlson, MD (2 shared papers), Stephen D. Covington, MD (2 shared papers) and Ronnie Fass, MD (2 shared papers).
What insurance does Laya Nasrollah accept?
Laya Nasrollah is in network with 8 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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