Dr. Joanna Margaret Libby, MD
- Medicare services, 2024
- 675
- Medicare patients, 2024
- 289
- Part D claims, 2024
- 4,324
- Hospital affiliations
- 3
- Medical group
- 1
- Practice address
- 510 Superior Ave, Newport Beach, CA 92663
- Practice phone
- Call (949) 764-5700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hoag Clinic - Newport Beach
Urgent Care Center · Newport Beach, California
Find Dr. Libby'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. Joanna Margaret Libby is an internist in Newport Beach, California
Dr. Libby practices at Hoag Clinic - Newport Beach in Newport Beach, California.
Dr. Libby's NPI, 1891283362, was assigned on April 30, 2018. Dr. Libby graduated from Saint Louis University School Of Medicine in 2018. Dr. Libby's California license number on file is A165434.
- NPI
- 1891283362NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416351598
- NPI enumeration date
- April 30, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (949) 764-5700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joanna Margaret Libby practices at Hoag Clinic - Newport Beach in Newport Beach, California
Dr. Libby's primary practice is Hoag Clinic - Newport Beach, at 510 Superior Ave, Newport Beach, CA 92663. The practice phone is (949) 764-5700.
- Hoag Clinic - Newport Beach510 Superior Ave, Newport Beach, CA 92663Phone(949) 764-5700
Source: Dmand AI Affiliation Data
Dr. Joanna Margaret Libby is affiliated with 6 sites of care and 1 medical group
Dr. Libby's primary practice is Hoag Clinic - Newport Beach in Newport Beach, California. Dr. Libby is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Hoag Clinic. Dmand AI also links Dr. Libby to 2 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account. Dr. Libby's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joanna Margaret Libby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Libby practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Clinic - Newport Beach | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joanna Margaret Libby is one of 16,751 internists in California
Internal medicine is Dr. Libby's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Libby is board certified in internal medicine by the American Board of Internal Medicine. Dr. Libby has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists adjustment disease, aneurysm, anxiety, aortic atherosclerois, arthritis, asthma, atrial fibrillation and flutter and bipolar disorder among the conditions Dr. Libby treats.
Internists near Dr. Libby
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. Joanna Margaret Libby billed Medicare for 675 services in 2024
CMS data shows 675 Medicare services from Dr. Libby across 13 procedure codes in 2024, for 289 Medicare patients. Medicare paid $37,976 for them. Every service was in an office.
Dr. Libby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3082024: 37120%
- Other services
- 2023: 1182024: 15733%
- Surgery
- 2023: 722024: 9329%
- Tests and treatments
- 2023: 502024: 548%
Dr. Libby compared with the California median for internists, 2024
- Dr. Libby
- California median
- Medicare services
- 675vs 36187% above
- Medicare patients
- 289vs 15191% above
- Part D claims
- 3,752vs 4218.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Libby'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. Libby?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Libby and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joanna Margaret Libby treated 289 Medicare patients in 2024, average age 73
CMS counts 289 Medicare patients who saw Dr. Libby in 2024. The largest group is 65 to 74, with 141 patients. 75% of them have high cholesterol, and 55% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Libby's median patient age at 64, with 78% women.
Dr. Libby's Medicare patients by age, 2024
Dr. Libby's Medicare patients by sex, 2024
- Women24183%
- Men4817%
Chronic conditions among Dr. Libby's Medicare patients, 2024
- High cholesterol75%
- High blood pressure55%
- Arthritis46%
- Osteoporosis25%
- Diabetes24%
- Mood disorders23%
- Ischemic heart disease22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Libby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women78%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joanna Margaret Libby wrote 4,324 Medicare Part D claims in 2024
In 2024, Dr. Libby wrote 4,324 Medicare Part D claims for 557 patients. 86% of them were for generic drugs. CMS names the drug for 3,752 of them, across 88 drugs with 11 or more claims each, at $255,479 in total drug cost. In 2023, CMS named 3,962 claims across 91 drugs.
Dr. Libby's Part D claims by kind of drug, 2024
- Generic3,739 claims86%
- Brand-name555 claims13%
- Other30 claims1%
Dr. Libby'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. Libby's Part D claims, 2024
- Opioids1%62 of 4,324 claims
- Antibiotics1%43 of 4,324 claims
- Antipsychotics, patients 65 and over0%17 of 4,324 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: 3,9622024: 3,7525%
Drugs named by CMS: 88 in 2024, 91 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. Joanna Margaret Libby offers telehealth to Medicare patients
Dr. Libby accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Libby as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joanna Margaret Libby graduated from Saint Louis University School Of Medicine
Dr. Libby graduated from Saint Louis University School Of Medicine in 2018.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Joanna Margaret Libby accepts plans from 8 insurance carriers
Dr. Libby is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Libby accepts, by number of carriers
- Medicare6
- PPO5
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Joanna Margaret Libby'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) |
| 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. Joanna Margaret Libby
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. Joanna Margaret Libby's NPI number?
Dr. Joanna Margaret Libby's NPI number is 1891283362. It was assigned on April 30, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Joanna Margaret Libby?
Dr. Joanna Margaret Libby is an internist in Newport Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joanna Margaret Libby practice?
Dr. Libby practices at 510 Superior Ave, Newport Beach, CA 92663. Dr. Libby's primary practice is Hoag Clinic - Newport Beach in Newport Beach, California. Dmand AI also links Dr. Libby to 2 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Joanna Margaret Libby's office phone number?
The practice phone on file for Dr. Libby is (949) 764-5700.
What is Dr. Joanna Margaret Libby's medical license number?
Dr. Libby's California license number on file is A165434.
Which hospitals is Dr. Joanna Margaret Libby affiliated with?
Dr. Libby is affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Libby to 2 more hospitals.
What medical group is Dr. Joanna Margaret Libby part of?
Dr. Libby is linked to Hoag Clinic.
Does Dr. Joanna Margaret Libby accept Medicare?
Yes. CMS data shows Dr. Libby billed Medicare for 675 services in 2024, and Dr. Libby accepts Medicare assignment.
Does Dr. Joanna Margaret Libby offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Libby as offering telehealth services.
How many Medicare patients does Dr. Joanna Margaret Libby see?
CMS counts 289 Medicare patients who saw Dr. Libby in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
Is Dr. Joanna Margaret Libby board certified?
Yes. Dr. Libby is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Joanna Margaret Libby bill to Medicare?
In 2024, Dr. Libby's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Joanna Margaret Libby go to medical school?
Dr. Libby graduated from Saint Louis University School Of Medicine in 2018.
What drugs does Dr. Joanna Margaret Libby prescribe most?
In 2024 Medicare Part D data, Dr. Libby's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
How long has Dr. Joanna Margaret Libby been practicing?
Dr. Libby graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Joanna Margaret Libby accept?
Dr. Libby is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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