Dr. Hamid Ehsani Nia, DO
- Medicare services, 2024
- 608
- Medicare patients, 2024
- 441
- Part D claims, 2024
- 194
- Hospital affiliations
- 1
- Industry payments
- $18
- Practice address
- 215 W Janss Rd, Thousand Oaks, CA 91360
- Practice phone
- Call (805) 497-2727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nia'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. Hamid Ehsani Nia is an emergency medicine physician in Thousand Oaks, California
Dr. Nia practices at Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare.
Dr. Nia's NPI, 1952824872, was assigned on July 23, 2017. Dr. Nia graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2017. Dr. Nia holds California license 20A20175.
- NPI
- 1952824872NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830511120
- NPI enumeration date
- July 23, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 497-2727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hamid Ehsani Nia practices at Los Robles Regional Medical Center in Thousand Oaks, California
Dr. Nia's primary practice is Los Robles Regional Medical Center, at 215 W Janss Rd, Thousand Oaks, CA 91360 in Ventura County. The practice phone is (805) 497-2727.
- Los Robles Regional Medical Center215 W Janss Rd, Thousand Oaks, CA 91360 · Ventura CountyPhone(805) 497-2727
Source: Dmand AI Affiliation Data
Dr. Hamid Ehsani Nia is affiliated with 2 sites of care and 3 medical groups
Dr. Nia's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. The medical group on file is Carbon Health. Dmand AI also links Dr. Nia to 2 more medical groups 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. Hamid Ehsani Nia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nia practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Robles Regional Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hamid Ehsani Nia is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Nia's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Nia is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Nia's licenses on file in 3 states: California, New Jersey and New York.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- New Jersey license
- New York license
Emergency medicine physicians near Dr. Nia
Counts of emergency medicine physicians 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. Hamid Ehsani Nia billed Medicare for 608 services in 2024
CMS data shows 608 Medicare services from Dr. Nia across 9 procedure codes in 2024, for 441 Medicare patients. Medicare paid $57,203 for them.
Dr. Nia's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3532024: 43724%
- Tests and treatments
- 2023: 342024: 150341%
- Lab and pathology
- 2023: 112024: 2191%
Where Dr. Nia's Medicare services took place, 2024
- In an office16327%
- In a facility44573%
Dr. Nia compared with the California median for emergency medicine physicians, 2024
- Dr. Nia
- California median
- Medicare services
- 608vs 2652.3 times
- Medicare patients
- 441vs 24381% above
- Part D claims
- 108vs 6274% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Nia'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. Nia?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nia and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hamid Ehsani Nia treated 441 Medicare patients in 2024, average age 76
CMS counts 441 Medicare patients who saw Dr. Nia in 2024. The largest group is 75 to 84, with 169 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.69, 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. Nia's median patient age at 46, with 58% women.
Dr. Nia's Medicare patients by age, 2024
Dr. Nia's Medicare patients by sex, 2024
- Women25458%
- Men18742%
Chronic conditions among Dr. Nia's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease39%
- Diabetes33%
- Mood disorders33%
- Anxiety32%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hamid Ehsani Nia wrote 194 Medicare Part D claims in 2024
In 2024, Dr. Nia wrote 194 Medicare Part D claims for 141 patients. 94% of them were for generic drugs. CMS names the drug for 108 of them, across 5 drugs with 11 or more claims each, at $707 in total drug cost. In 2023, CMS named 78 claims across 5 drugs.
Dr. Nia's Part D claims by kind of drug, 2024
- Generic183 claims94%
- Brand-name and other11 claims6%
Dr. Nia'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. Nia's Part D claims, 2024
- Antibiotics46%90 of 194 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: 782024: 10838%
Drugs named by CMS: 5 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
How Dr. Hamid Ehsani Nia takes part in Medicare
Dr. Nia accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of nail tissue: 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. Hamid Ehsani Nia received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Nia from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. BridgeBio Pharma, Inc. paid the most, $18.
Companies that paid Dr. Nia the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hamid Ehsani Nia graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford
Dr. Nia graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2017.
- Medical school
- Board certified in emergency medicine
- Board certified in 2022 - 2026
- Board certified in 2018 - 2023
- Board certified in 2021 - 2024
Source: Dmand AI Professional Profile Data
Dr. Hamid Ehsani Nia accepts plans from 2 insurance carriers
Dr. Nia is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Hamid Ehsani Nia'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)Doctors and Clinicians Utilization Data (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. Hamid Ehsani Nia
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. Hamid Ehsani Nia's NPI number?
Dr. Hamid Ehsani Nia's NPI number is 1952824872. It was assigned on July 23, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Hamid Ehsani Nia?
Dr. Hamid Ehsani Nia is an emergency medicine physician in Thousand Oaks, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Hamid Ehsani Nia practice?
Dr. Nia practices at 215 W Janss Rd, Thousand Oaks, CA 91360. Dr. Nia's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dmand AI also links Dr. Nia to 2 medical groups and 1 group practice or clinic.
What is Dr. Hamid Ehsani Nia's office phone number?
The practice phone on file for Dr. Nia is (805) 497-2727.
What is Dr. Hamid Ehsani Nia's medical license number?
Dr. Nia holds California license 20A20175, one of the licenses on file in 3 states.
Which states has Dr. Hamid Ehsani Nia been licensed in?
Dmand AI has state licenses on file for Dr. Nia in California, New Jersey and New York.
Which hospitals is Dr. Hamid Ehsani Nia affiliated with?
Dr. Nia practices at Los Robles Regional Medical Center in Thousand Oaks, California.
What medical group is Dr. Hamid Ehsani Nia part of?
Dr. Nia is linked to Carbon Health. Dmand AI links Dr. Nia to 2 more medical groups.
Does Dr. Hamid Ehsani Nia accept Medicare?
Yes. CMS data shows Dr. Nia billed Medicare for 608 services in 2024, and Dr. Nia accepts Medicare assignment.
How many Medicare patients does Dr. Hamid Ehsani Nia see?
CMS counts 441 Medicare patients who saw Dr. Nia in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
Is Dr. Hamid Ehsani Nia board certified?
Yes. Dr. Nia is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Hamid Ehsani Nia bill to Medicare?
In 2024, Dr. Nia's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Hamid Ehsani Nia go to medical school?
Dr. Nia graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2017.
What drugs does Dr. Hamid Ehsani Nia prescribe most?
In 2024 Medicare Part D data, Dr. Nia's most prescribed drugs by claims were Cephalexin, Azithromycin and Amoxicillin-Clavulanate Potass.
Has Dr. Hamid Ehsani Nia received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Nia from 1 company from 2025 to 2025. The largest total came from BridgeBio Pharma, Inc.
How long has Dr. Hamid Ehsani Nia been practicing?
Dr. Nia graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Hamid Ehsani Nia accept?
Dr. Nia is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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