Health Informatics J
Analysis of VarianceData AccuracyElectronic Health Records
Dr. Ayan Nasir, MD
NPI1124656459PAC ID9830510411
- Medicare services, 2024
- 2,384
- Medicare patients, 2024
- 367
- Part D claims, 2024
- 2,320
- Publications
- 6
- Hospital affiliations
- 3
- Practice address
- 1950 Hospital View Way, Clermont, FL 34711
- Practice phone
- Call (352) 243-3443
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Lake Medical Center Inc
Clermont, Florida
Find Dr. Nasir's professional email, personal email and mobile number
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Dr. Ayan Nasir is an internist in Clermont, Florida
Dr. Nasir practices at South Lake Medical Center Inc in Clermont, Florida.
Dr. Nasir's NPI, 1124656459, was assigned on March 31, 2020. Dr. Nasir graduated from University of Central Florida College of Medicine in 2020. Dr. Nasir holds Florida license TRN30701.
NPI and contact details
- NPI
- 1124656459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830510411
- NPI enumeration date
- March 31, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (352) 243-3443
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ayan Nasir practices at South Lake Medical Center Inc in Clermont, Florida
Dr. Nasir's primary practice is South Lake Medical Center Inc, at 1950 Hospital View Way, Clermont, FL 34711 in Lake County. The practice phone is (352) 243-3443.
- South Lake Medical Center Inc1950 Hospital View Way, Clermont, FL 34711 · Lake CountyPhone(352) 243-3443
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ayan Nasir is affiliated with 6 sites of care and 3 medical groups
Dr. Nasir's primary practice is South Lake Medical Center Inc in Clermont, Florida. Dr. Nasir is also affiliated with Orlando Health South Lake Hospital. The medical group on file is Ability Rehabilitation. Dmand AI also links Dr. Nasir to 2 more hospitals, 2 medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.
South Lake Medical Center IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ayan Nasir's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nasir practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Lake Medical Center Inc | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ayan Nasir is one of 9,009 internists in Florida
Internal medicine is Dr. Nasir's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nasir is board certified in internal medicine by the American Board of Internal Medicine. Dr. Nasir is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Clinical focus
Dmand AI lists acid reflux, atrial fibrillation and flutter, chronic hypertension, chronic kidney disease, chronic obstructive pulmonary disease (COPD), coronary artery disease, essential tremor and fibromyalgia and chronic pain among the conditions Dr. Nasir treats.
Internists near Dr. Nasir
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. Ayan Nasir billed Medicare for 2,384 services in 2024
CMS data shows 2,384 Medicare services from Dr. Nasir across 21 procedure codes in 2024, for 367 Medicare patients. Medicare paid $129,369 for them. Every service was in an office.
Medicare services, 20242,384
Medicare patients367
Paid by Medicare$129,369
Procedure codes21
Dr. Nasir's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 132024: 1,1528762%
- Office and hospital visits
- 2023: 1832024: 1,081491%
- Tests and treatments
- 2023: 112024: 77600%
- Lab and pathology
- 2023: 02024: 74
Dr. Nasir compared with the Florida median for internists, 2024
- Dr. Nasir
- Florida median
- Medicare services
- 2,384vs 5554.3 times
- Medicare patients
- 367vs 21571% above
- Part D claims
- 1,704vs 4663.7 times
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Nasir'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 Dr. Nasir?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nasir and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ayan Nasir treated 367 Medicare patients in 2024, average age 75
CMS counts 367 Medicare patients who saw Dr. Nasir in 2024. The largest group is 65 to 74, with 178 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nasir's median patient age at 67, with 60% women.
Medicare patients, 2024367
Average age75
Average risk score1.27
Dr. Nasir's Medicare patients by age, 2024
Dr. Nasir's Medicare patients by sex, 2024
- Women23063%
- Men13737%
Chronic conditions among Dr. Nasir's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease35%
- Ischemic heart disease32%
- Heart failure29%
- Mood disorders29%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nasir's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ayan Nasir wrote 2,320 Medicare Part D claims in 2024
In 2024, Dr. Nasir wrote 2,320 Medicare Part D claims for 386 patients. 81% of them were for generic drugs. CMS names the drug for 1,704 of them, across 55 drugs with 11 or more claims each, at $204,346 in total drug cost. In 2023, CMS named 81 claims across 5 drugs.
Part D claims, 20242,320
Drugs named by CMS55
Total drug cost$204,346
Part D patients386
Dr. Nasir's Part D claims by kind of drug, 2024
- Generic1,886 claims81%
- Brand-name and other434 claims19%
Dr. Nasir'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. Nasir's Part D claims, 2024
- Opioids2%37 of 2,320 claims
- Antibiotics10%237 of 2,320 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: 812024: 1,7042004%
Drugs named by CMS: 55 in 2024, 5 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. Ayan Nasir offers telehealth to Medicare patients
Dr. Nasir accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nasir as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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. Ayan Nasir has 6 publications on record
Dmand AI links 6 papers to Dr. Nasir, published from 2016 to 2021. Dr. Nasir's most frequent co-authors are Esther Baldinger, MD, Aman Bali, MD and Maria Silvana Barrios, MD.
Papers6
Years published2016 to 2021
Dr. Nasir's papers by year, 2016 to 2021
Dr. Nasir's most frequent co-authors
- Esther Baldinger, MD1 shared paper
- Aman Bali, MD1 shared paper
- Maria Silvana Barrios, MD1 shared paper
Recent publications by Dr. Nasir
Medical RecordsQuality ControlStatistics as Topic
Inflamm Bowel Dis
Biological ProductsCrohn DiseaseInflammatory Bowel Diseases
BMJ Open Qual
DiureticsEmergency Service, HospitalHealth Facilities
See who Dr. Nasir researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nasir works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ayan Nasir received $862 in industry payments from 2023 to 2025
CMS Open Payments shows 50 general payments to Dr. Nasir from 14 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $279.
General payments to Dr. Nasir by program year, 2023 to 2025
Companies that paid Dr. Nasir the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ayan Nasir graduated from University of Central Florida College of Medicine
Dr. Nasir graduated from University of Central Florida College of Medicine in 2020.
- Medical school
- Board certified in internal medicine
- Board certified in clinical informatics
Source: Dmand AI Professional Profile Data
Dr. Ayan Nasir accepts plans from 16 insurance carriers
Dr. Nasir is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Cigna
- +8 more carriersWith a free account
Plan types Dr. Nasir accepts, by number of carriers
- PPO11
- Medicare10
- HMO8
- EPO4
- POS3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ayan Nasir'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 Dr. Ayan Nasir
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. Ayan Nasir's NPI number?
Dr. Ayan Nasir's NPI number is 1124656459. It was assigned on March 31, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ayan Nasir?
Dr. Ayan Nasir is an internist in Clermont, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ayan Nasir practice?
Dr. Nasir practices at 1950 Hospital View Way, Clermont, FL 34711. Dr. Nasir's primary practice is South Lake Medical Center Inc in Clermont, Florida. Dmand AI also links Dr. Nasir to 2 hospitals, 2 medical groups, 1 group practice or clinic and 1 home health agency.
What is Dr. Ayan Nasir's office phone number?
The practice phone on file for Dr. Nasir is (352) 243-3443.
What is Dr. Ayan Nasir's medical license number?
Dr. Nasir holds Florida license TRN30701.
Which hospitals is Dr. Ayan Nasir affiliated with?
Dr. Nasir is affiliated with Orlando Health South Lake Hospital. Dmand AI links Dr. Nasir to 2 more hospitals.
What medical group is Dr. Ayan Nasir part of?
Dr. Nasir is linked to Ability Rehabilitation. Dmand AI links Dr. Nasir to 2 more medical groups.
Does Dr. Ayan Nasir accept Medicare?
Yes. CMS data shows Dr. Nasir billed Medicare for 2,384 services in 2024, and Dr. Nasir accepts Medicare assignment.
Does Dr. Ayan Nasir offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nasir as offering telehealth services.
How many Medicare patients does Dr. Ayan Nasir see?
CMS counts 367 Medicare patients who saw Dr. Nasir in 2024, with an average age of 75.
Show 9 more questionsShow fewer questions
Is Dr. Ayan Nasir board certified?
Yes. Dr. Nasir is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ayan Nasir bill to Medicare?
In 2024, Dr. Nasir's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0442).
Where did Dr. Ayan Nasir go to medical school?
Dr. Nasir graduated from University of Central Florida College of Medicine in 2020.
What drugs does Dr. Ayan Nasir prescribe most?
In 2024 Medicare Part D data, Dr. Nasir's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Levothyroxine Sodium.
Has Dr. Ayan Nasir received payments from drug or device companies?
CMS Open Payments shows $862 in general payments to Dr. Nasir from 14 companies from 2023 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Ayan Nasir been practicing?
Dr. Nasir graduated from medical school in 2020, 6 years ago.
Does Dr. Ayan Nasir do research?
Dmand AI links 6 publications to Dr. Nasir, published from 2016 to 2021.
Who does Dr. Ayan Nasir publish with?
Dr. Nasir's most frequent co-authors are Esther Baldinger, MD (1 shared paper), Aman Bali, MD (1 shared paper) and Maria Silvana Barrios, MD (1 shared paper).
What insurance does Dr. Ayan Nasir accept?
Dr. Nasir is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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