Dr. Joan E. Presby, MD
- Medicare services, 2021
- 72
- Part D claims, 2024
- 598
- Hospital affiliations
- 1
- Medical groups
- 3
- Insurance carriers
- 15
- Practice address
- 3834 S Western Ave, Los Angeles, CA 90062
- Practice phone
- Call (323) 730-3507
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Western Health Center
FQHC - Main Site · Los Angeles, California
Find Dr. Presby'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. Joan E. Presby is an internist in Los Angeles, California
Dr. Presby practices at Western Health Center in Los Angeles, California.
Dr. Presby's NPI, 1578622189, was assigned on December 8, 2006. Dr. Presby graduated from New York University School of Medicine in 1988. Dr. Presby holds California license G72895.
- NPI
- 1578622189NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Practice phone
- (323) 730-3507
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joan E. Presby practices at Western Health Center in Los Angeles, California
Dr. Presby's primary practice is Western Health Center, at 3834 S Western Ave, Los Angeles, CA 90062. The practice phone is (323) 730-3507.
- Western Health Center3834 S Western Ave, Los Angeles, CA 90062Phone(323) 730-3507
Source: Dmand AI Affiliation Data
Dr. Joan E. Presby is affiliated with 3 sites of care and 3 medical groups
Dr. Presby's primary practice is Western Health Center in Los Angeles, California. Dr. Presby is also affiliated with Panorama City Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Presby to 2 more medical groups and 1 other site, each named with a free account. Dr. Presby's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joan E. Presby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Presby practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Western Health Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joan E. Presby is one of 16,751 internists in California
Internal medicine is Dr. Presby's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Presby is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dmand AI has Dr. Presby's licenses on file in 2 states: California and Maryland.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Maryland license
Internists near Dr. Presby
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. Joan E. Presby billed Medicare for 72 services in 2021
CMS data shows 72 Medicare services from Dr. Presby across 4 procedure codes in 2021. Medicare paid $6,287 for them.
Where Dr. Presby's Medicare services took place, 2021
- In an office1521%
- In a facility5779%
Dr. Presby compared with the California median for internists, 2021
- Dr. Presby
- California median
- Medicare services
- 72vs 36180% below
- Part D claims
- 392vs 4217% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Presby's most billed Medicare procedure codes, 2021
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. Presby and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joan E. Presby's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Dr. Presby's median patient age at 55, with 72% women.
Dr. Presby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women72%
- Men27%
Source: Dmand AI Patient Panel Data
Dr. Joan E. Presby wrote 598 Medicare Part D claims in 2024
In 2024, Dr. Presby wrote 598 Medicare Part D claims for 84 patients. 83% of them were for generic drugs. CMS names the drug for 392 of them, across 16 drugs with 11 or more claims each, at $52,065 in total drug cost. In 2023, CMS named 253 claims across 11 drugs.
Dr. Presby's Part D claims by kind of drug, 2024
- Generic496 claims83%
- Brand-name and other102 claims17%
Dr. Presby'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2532024: 39255%
Drugs named by CMS: 16 in 2024, 11 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
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Dr. Joan E. Presby graduated from New York University School of Medicine
Dr. Presby graduated from New York University School of Medicine in 1988.
- Medical school
- Board certified in hospice and palliative medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Joan E. Presby accepts plans from 15 insurance carriers
Dr. Presby is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- +7 more carriersWith a free account
Plan types Dr. Presby accepts, by number of carriers
- Medicare10
- PPO9
- HMO7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Joan E. Presby'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 Data |
| 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) |
| 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. Joan E. Presby
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. Joan E. Presby's NPI number?
Dr. Joan E. Presby's NPI number is 1578622189. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joan E. Presby?
Dr. Joan E. Presby is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joan E. Presby practice?
Dr. Presby practices at 3834 S Western Ave, Los Angeles, CA 90062. Dr. Presby's primary practice is Western Health Center in Los Angeles, California. Dmand AI also links Dr. Presby to 2 medical groups and 1 other site.
What is Dr. Joan E. Presby's office phone number?
The practice phone on file for Dr. Presby is (323) 730-3507.
What is Dr. Joan E. Presby's medical license number?
Dr. Presby holds California license G72895, one of the licenses on file in 2 states.
Which states has Dr. Joan E. Presby been licensed in?
Dmand AI has state licenses on file for Dr. Presby in California (1991 to 2027) and Maryland (1989 to 1997).
Which hospitals is Dr. Joan E. Presby affiliated with?
Dr. Presby is affiliated with Panorama City Medical Center.
What medical group is Dr. Joan E. Presby part of?
Dr. Presby is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Presby to 2 more medical groups.
Does Dr. Joan E. Presby accept Medicare?
Yes. CMS data shows Dr. Presby billed Medicare for 72 services in 2021.
Is Dr. Joan E. Presby board certified?
Yes. Dr. Presby is board certified in hospice and palliative medicine by the American Board of Internal Medicine.
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What services does Dr. Joan E. Presby bill to Medicare?
In 2021, Dr. Presby's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99222) and office visit, new patient (99205).
Where did Dr. Joan E. Presby go to medical school?
Dr. Presby graduated from New York University School of Medicine in 1988.
What drugs does Dr. Joan E. Presby prescribe most?
In 2024 Medicare Part D data, Dr. Presby's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
How long has Dr. Joan E. Presby been practicing?
Dr. Presby graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Joan E. Presby accept?
Dr. Presby is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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