Dr. Liana Michelle Atallah, MD
- Medicare services, 2024
- 383
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 238
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 13652 Cantara St, Panorama City, CA 91402
- Practice phone
- Call (818) 375-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Atallah'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. Liana Michelle Atallah is an infectious disease specialist in Panorama City, California
Dr. Atallah practices at Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente.
Dr. Atallah's NPI, 1659860229, was assigned on May 9, 2018. Dr. Atallah graduated from St. George's University School of Medicine in 1990. Dr. Atallah's California license number on file is A189919.
- NPI
- 1659860229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143674036
- NPI enumeration date
- May 9, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (818) 375-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Liana Michelle Atallah practices at Panorama City Medical Center in Panorama City, California
Dr. Atallah's primary practice is Panorama City Medical Center, at 13652 Cantara St, Panorama City, CA 91402 in Los Angeles County. The practice phone is (818) 375-2000.
- Panorama City Medical Center13652 Cantara St, Panorama City, CA 91402 · Los Angeles CountyPhone(818) 375-2000
Source: Dmand AI Affiliation Data
Dr. Liana Michelle Atallah is affiliated with 4 sites of care and 2 medical groups
Dr. Atallah's primary practice is Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente. Dr. Atallah is also affiliated with Keck Hospital of USC. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Atallah to 1 more group practice or clinic, 1 other site and 1 medical group, 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. Liana Michelle Atallah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Atallah practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Panorama City Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Liana Michelle Atallah is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Atallah's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Atallah is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Atallah's licenses on file in 3 states: California, New Jersey and New Mexico.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
- New Jersey license
- New Mexico license
Infectious disease specialists near Dr. Atallah
Counts of infectious disease specialists 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. Liana Michelle Atallah billed Medicare for 383 services in 2024
CMS data shows 383 Medicare services from Dr. Atallah across 5 procedure codes in 2024, for 179 Medicare patients. Medicare paid $28,000 for them.
Dr. Atallah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1422024: 383170%
Where Dr. Atallah's Medicare services took place, 2024
- In an office246%
- In a facility35994%
Dr. Atallah compared with the California median for infectious disease specialists, 2024
- Dr. Atallah
- California median
- Medicare services
- 383vs 42911% below
- Medicare patients
- 179vs 180Close to median
- Part D claims
- 145vs 11922% above
Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.
Dr. Atallah'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. Atallah and other infectious disease specialists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Liana Michelle Atallah treated 179 Medicare patients in 2024, average age 69
CMS counts 179 Medicare patients who saw Dr. Atallah in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 64% are also on Medicaid. Their average risk score is 4.37, 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. Atallah's median patient age at 61, with 59% women.
Dr. Atallah's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Atallah's Medicare patients by sex, 2024
- Women7441%
- Men10559%
Chronic conditions among Dr. Atallah's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes68%
- Arthritis65%
- Chronic kidney disease64%
- Ischemic heart disease58%
- Heart failure56%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Atallah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Liana Michelle Atallah wrote 238 Medicare Part D claims in 2024
In 2024, Dr. Atallah wrote 238 Medicare Part D claims for 43 patients. 81% of them were for generic drugs. CMS names the drug for 145 of them, across 6 drugs with 11 or more claims each, at $199,060 in total drug cost. In 2023, CMS named 172 claims across 9 drugs.
Dr. Atallah's Part D claims by kind of drug, 2024
- Generic192 claims81%
- Brand-name46 claims19%
Dr. Atallah'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. Atallah's Part D claims, 2024
- Antibiotics71%170 of 238 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: 1722024: 14516%
Drugs named by CMS: 6 in 2024, 9 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. Liana Michelle Atallah offers telehealth to Medicare patients
Dr. Atallah accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Atallah as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Liana Michelle Atallah has 2 publications on record
Dmand AI links 2 papers to Dr. Atallah in 2025. Dr. Atallah's most frequent co-authors are Andre Armand Fedida, MD, Gunwant K. Guron, MD and Nathanael David Heckmann, MD.
Dr. Atallah's most frequent co-authors
- Andre Armand Fedida, MD1 shared paper
- Gunwant K. Guron, MD1 shared paper
- Nathanael David Heckmann, MD1 shared paper
Recent publications by Dr. Atallah
See who Dr. Atallah researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Atallah works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Liana Michelle Atallah graduated from St. George's University School of Medicine
Dr. Atallah graduated from St. George's University School of Medicine in 1990.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Liana Michelle Atallah accepts plans from 5 insurance carriers
Dr. Atallah is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Atallah accepts, by number of carriers
- Medicare5
- PPO4
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Liana Michelle Atallah'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Liana Michelle Atallah
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. Liana Michelle Atallah's NPI number?
Dr. Liana Michelle Atallah's NPI number is 1659860229. It was assigned on May 9, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Liana Michelle Atallah?
Dr. Liana Michelle Atallah is an infectious disease specialist in Panorama City, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Liana Michelle Atallah practice?
Dr. Atallah practices at 13652 Cantara St, Panorama City, CA 91402. Dr. Atallah's primary practice is Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente. Dmand AI also links Dr. Atallah to 1 group practice or clinic, 1 other site and 1 medical group.
What is Dr. Liana Michelle Atallah's office phone number?
The practice phone on file for Dr. Atallah is (818) 375-2000.
What is Dr. Liana Michelle Atallah's medical license number?
Dr. Atallah's California license number on file is A189919, one of the licenses on file in 3 states.
Which states has Dr. Liana Michelle Atallah been licensed in?
Dmand AI has state licenses on file for Dr. Atallah in California (2023 to 2025), New Jersey (2019 to 2023) and New Mexico (2021 to 2023).
Which hospitals is Dr. Liana Michelle Atallah affiliated with?
Dr. Atallah practices at Panorama City Medical Center in Panorama City, California. Dr. Atallah is also affiliated with Keck Hospital of USC.
What medical group is Dr. Liana Michelle Atallah part of?
Dr. Atallah is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Atallah to 1 more medical group.
Does Dr. Liana Michelle Atallah accept Medicare?
Yes. CMS data shows Dr. Atallah billed Medicare for 383 services in 2024, and Dr. Atallah accepts Medicare assignment.
Does Dr. Liana Michelle Atallah offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Atallah as offering telehealth services.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Liana Michelle Atallah see?
CMS counts 179 Medicare patients who saw Dr. Atallah in 2024, with an average age of 69.
Is Dr. Liana Michelle Atallah board certified?
Yes. Dr. Atallah is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. Liana Michelle Atallah bill to Medicare?
In 2024, Dr. Atallah's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99213).
Where did Dr. Liana Michelle Atallah go to medical school?
Dr. Atallah graduated from St. George's University School of Medicine in 1990.
What drugs does Dr. Liana Michelle Atallah prescribe most?
In 2024 Medicare Part D data, Dr. Atallah's most prescribed drugs by claims were Vancomycin HCl, Ceftriaxone and Cresemba.
How long has Dr. Liana Michelle Atallah been practicing?
Dr. Atallah graduated from medical school in 1990, 36 years ago.
Does Dr. Liana Michelle Atallah do research?
Dmand AI links 2 publications to Dr. Atallah.
Who does Dr. Liana Michelle Atallah publish with?
Dr. Atallah's most frequent co-authors are Andre Armand Fedida, MD (1 shared paper), Gunwant K. Guron, MD (1 shared paper) and Nathanael David Heckmann, MD (1 shared paper).
What insurance does Dr. Liana Michelle Atallah accept?
Dr. Atallah is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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