Dr. Charleen Pham, DO
- Medicare services, 2023
- 175
- Part D claims, 2024
- 57
- MIPS score, 2024
- 61
- Hospital affiliations
- 2
- Industry payments
- $1,479
- Practice address
- 3440 E La Palma Ave, Anaheim, CA 92806
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Charleen Pham is an internist in Anaheim, California
Dr. Pham practices at Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
Dr. Pham's NPI, 1689164642, was assigned on May 15, 2018. Dr. Pham holds California license 20A22234.
- NPI
- 1689164642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931509130
- NPI enumeration date
- May 15, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- 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. Charleen Pham practices at Orange County - Anaheim Medical Center in Anaheim, California
Dr. Pham's primary practice is Orange County - Anaheim Medical Center, at 3440 E La Palma Ave, Anaheim, CA 92806 in Orange County. The practice phone is (714) 279-4000.
- Orange County - Anaheim Medical Center3440 E La Palma Ave, Anaheim, CA 92806 · Orange CountyPhone(714) 279-4000
Source: Dmand AI Affiliation Data
Dr. Charleen Pham is affiliated with 2 sites of care and 1 medical group
Dr. Pham's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. Dr. Pham is also affiliated with Kaiser Permanente Los Angeles Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charleen Pham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pham practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County - Anaheim Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charleen Pham is one of 16,751 internists in California
Internal medicine is Dr. Pham's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pham is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Pham
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. Charleen Pham billed Medicare for 175 services in 2023
CMS data shows 175 Medicare services from Dr. Pham across 4 procedure codes in 2023. Medicare paid $16,854 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pham's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 472023: 175272%
Dr. Pham compared with the California median for internists, 2023
- Dr. Pham
- California median
- Medicare services
- 175vs 36152% below
- Part D claims
- 27vs 42194% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Pham's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charleen Pham's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Pham's median patient age at 73, with 46% women.
Dr. Pham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Charleen Pham wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Pham wrote 57 Medicare Part D claims for 36 patients. 88% of them were for generic drugs. CMS names the drug for 27 of them, across 2 drugs with 11 or more claims each, at $166 in total drug cost. In 2022, CMS named 31 claims across 2 drugs.
Dr. Pham's Part D claims by kind of drug, 2024
- Generic50 claims88%
- Brand-name and other7 claims12%
Dr. Pham's most prescribed drugs by claims, 2023
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. Pham's Part D claims, 2024
- Antibiotics25%14 of 57 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 312023: 2713%
Drugs named by CMS: 2 in 2023, 2 in 2022.
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. Charleen Pham scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Pham for performance year 2024, reported as part of a group. Dr. Pham accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Pham's MIPS scores, performance year 2024
- 61of 100Final score
- 36.7of 100Quality
- 40of 100Improvement Activities
- 62of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charleen Pham received $1,479 in industry payments from 2018 to 2025
CMS Open Payments shows 27 general payments to Dr. Pham from 15 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $240.
General payments to Dr. Pham by program year, 2018 to 2025
Companies that paid Dr. Pham the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charleen Pham'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Charleen Pham
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. Charleen Pham's NPI number?
Dr. Charleen Pham's NPI number is 1689164642. It was assigned on May 15, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Charleen Pham?
Dr. Charleen Pham is an internist in Anaheim, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charleen Pham practice?
Dr. Pham practices at 3440 E La Palma Ave, Anaheim, CA 92806. Dr. Pham's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
What is Dr. Charleen Pham's office phone number?
The practice phone on file for Dr. Pham is (714) 279-4000.
What is Dr. Charleen Pham's medical license number?
Dr. Pham holds California license 20A22234.
Which hospitals is Dr. Charleen Pham affiliated with?
Dr. Pham practices at Orange County - Anaheim Medical Center in Anaheim, California. Dr. Pham is also affiliated with Kaiser Permanente Los Angeles Medical Center.
What medical group is Dr. Charleen Pham part of?
Dr. Pham is linked to Southern California Permanente Medical Group.
Does Dr. Charleen Pham accept Medicare?
Yes. CMS data shows Dr. Pham billed Medicare for 175 services in 2023, and Dr. Pham accepts Medicare assignment.
What is Dr. Charleen Pham's MIPS score?
Dr. Pham's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
What services does Dr. Charleen Pham bill to Medicare?
In 2023, Dr. Pham's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99223).
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What drugs does Dr. Charleen Pham prescribe most?
In 2023 Medicare Part D data, Dr. Pham's most prescribed drugs by claims were Pantoprazole Sodium and Atorvastatin Calcium.
Has Dr. Charleen Pham received payments from drug or device companies?
CMS Open Payments shows $1,479 in general payments to Dr. Pham from 15 companies from 2018 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Charleen Pham been practicing?
Dr. Pham graduated from medical school in 2018, 8 years ago.
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