Dr. Josephine Diem Pham, MD
- Medicare services, 2024
- 8,350
- Medicare patients, 2024
- 305
- Part D claims, 2024
- 4,966
- Publications
- 6
- MIPS score, 2024
- 87
- Practice address
- 2425 Samaritan Drive, San Jose, CA 95124
- Practice phone
- Call (408) 559-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Pham'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. Josephine Diem Pham is an internist in San Jose, California
Dr. Pham practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.
Dr. Pham's NPI, 1073692489, was assigned on November 4, 2006. Dr. Pham graduated from Tulane School of Medicine in 1993. Dr. Pham holds California license A53882.
- NPI
- 1073692489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941271019
- NPI enumeration date
- November 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 559-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Josephine Diem Pham practices at Good Samaritan Hospital in San Jose, California
Dr. Pham's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.
- Good Samaritan Hospital2425 Samaritan Drive, San Jose, CA 95124 · Santa Clara CountyPhone(408) 559-2011
Source: Dmand AI Affiliation Data
Dr. Josephine Diem Pham is affiliated with 7 sites of care
Dr. Pham's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dr. Pham is also affiliated with Santa Clara Valley Medical Center. Dmand AI also links Dr. Pham to 2 more hospitals and 3 home health agencies, 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. Josephine Diem Pham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pham practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan Hospital | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Josephine Diem 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
Clinical focus
Dmand AI lists acid reflux, acne, acute kidney failure, acute mini-stroke (TIA), acute sinusitis, acute skin infection, alzheimer's disease and aneurysm among the conditions Dr. Pham treats.
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. Josephine Diem Pham billed Medicare for 8,350 services in 2024
CMS data shows 8,350 Medicare services from Dr. Pham across 24 procedure codes in 2024, for 305 Medicare patients. Medicare paid $360,100 for them. Every service was in an office.
Dr. Pham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,6402024: 3,24023%
- Office and hospital visits
- 2023: 3,1362024: 2,8679%
- Surgery
- 2023: 6992024: 6862%
- Other services
- 2023: 5122024: 56811%
- Lab and pathology
- 2023: 5662024: 5572%
- Tests and treatments
- 2023: 4252024: 4322%
Dr. Pham compared with the California median for internists, 2024
- Dr. Pham
- California median
- Medicare services
- 8,350vs 36123.1 times
- Medicare patients
- 305vs 1512.0 times
- Part D claims
- 4,111vs 4219.8 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Pham'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. Pham?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pham and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Josephine Diem Pham treated 305 Medicare patients in 2024, average age 79
CMS counts 305 Medicare patients who saw Dr. Pham in 2024. The largest group is 75 to 84, with 120 patients. 75% of them have diabetes, and 75% have high cholesterol. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Pham's median patient age at 64, with 68% women.
Dr. Pham's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pham's Medicare patients by sex, 2024
- Women22774%
- Men7826%
Chronic conditions among Dr. Pham's Medicare patients, 2024
- Diabetes75%
- High cholesterol75%
- High blood pressure74%
- Arthritis53%
- Ischemic heart disease33%
- Chronic kidney disease31%
- Osteoporosis25%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
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 64
Patient panel by sex, all payers
- Women68%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Josephine Diem Pham wrote 4,966 Medicare Part D claims in 2024
In 2024, Dr. Pham wrote 4,966 Medicare Part D claims for 323 patients. 87% of them were for generic drugs. CMS names the drug for 4,111 of them, across 108 drugs with 11 or more claims each, at $342,200 in total drug cost. In 2023, CMS named 4,129 claims across 110 drugs.
Dr. Pham's Part D claims by kind of drug, 2024
- Generic4,310 claims87%
- Brand-name638 claims13%
- Other18 claims0%
Dr. Pham'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. Pham's Part D claims, 2024
- Opioids2%95 of 4,966 claims
- Antibiotics4%219 of 4,966 claims
- Antipsychotics, patients 65 and over1%54 of 4,966 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: 4,1292024: 4,111No change
Drugs named by CMS: 108 in 2024, 110 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. Josephine Diem Pham scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Pham for performance year 2024, reported through an alternative payment model (APM). 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
- 87of 100Final score
- 74.2of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Josephine Diem Pham has 6 publications on record
Dmand AI links 6 papers to Dr. Pham, published from 2021 to 2022. 2022 was the busiest year, with 2. The most frequent topics are COVID-19 and Electronic Nicotine Delivery Systems. Dr. Pham has published most often in Healthc Q. Dr. Pham's most frequent co-authors are Thomas Hanson Alexander, MD, Nicole Gabriele Coufal, MD and Mark L. Hepokoski, MD.
Topics Dr. Pham writes about most
- COVID-19
- Electronic Nicotine Delivery Systems
Dr. Pham's most frequent co-authors
- Thomas Hanson Alexander, MD2 shared papers
- Nicole Gabriele Coufal, MD2 shared papers
- Mark L. Hepokoski, MD2 shared papers
Recent publications by Dr. Pham
See who Dr. Pham researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Pham works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Josephine Diem Pham received $19,299 in industry payments from 2016 to 2025
CMS Open Payments shows 1,111 general payments to Dr. Pham from 57 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,698.
General payments to Dr. Pham by program year, 2016 to 2025
General payments to Dr. Pham by kind, 2016 to 2025
- Food and beverage$19,08299%
- Education$2161%
Companies that paid Dr. Pham the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Josephine Diem Pham graduated from Tulane School of Medicine
Dr. Pham graduated from Tulane School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Josephine Diem Pham accepts plans from 5 insurance carriers
Dr. Pham is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- CMS Medicare
Plan types Dr. Pham accepts, by number of carriers
- Medicare5
- PPO4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Josephine Diem 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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| 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. Josephine Diem 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. Josephine Diem Pham's NPI number?
Dr. Josephine Diem Pham's NPI number is 1073692489. It was assigned on November 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Josephine Diem Pham?
Dr. Josephine Diem Pham is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Josephine Diem Pham practice?
Dr. Pham practices at 2425 Samaritan Drive, San Jose, CA 95124. Dr. Pham's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. Dmand AI also links Dr. Pham to 2 hospitals and 3 home health agencies.
What is Dr. Josephine Diem Pham's office phone number?
The practice phone on file for Dr. Pham is (408) 559-2011.
What is Dr. Josephine Diem Pham's medical license number?
Dr. Pham holds California license A53882.
Which hospitals is Dr. Josephine Diem Pham affiliated with?
Dr. Pham practices at Good Samaritan Hospital in San Jose, California. Dr. Pham is also affiliated with Santa Clara Valley Medical Center. Dmand AI links Dr. Pham to 2 more hospitals.
Does Dr. Josephine Diem Pham accept Medicare?
Yes. CMS data shows Dr. Pham billed Medicare for 8,350 services in 2024, and Dr. Pham accepts Medicare assignment.
What is Dr. Josephine Diem Pham's MIPS score?
Dr. Pham's MIPS final score for performance year 2024 is 87 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Josephine Diem Pham see?
CMS counts 305 Medicare patients who saw Dr. Pham in 2024, with an average age of 79.
What services does Dr. Josephine Diem Pham bill to Medicare?
In 2024, Dr. Pham's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99212) and office visit, established patient (99213).
Show 7 more questionsShow fewer questions
Where did Dr. Josephine Diem Pham go to medical school?
Dr. Pham graduated from Tulane School of Medicine in 1993.
What drugs does Dr. Josephine Diem Pham prescribe most?
In 2024 Medicare Part D data, Dr. Pham's most prescribed drugs by claims were Amlodipine Besylate, Levothyroxine Sodium and Atorvastatin Calcium.
Has Dr. Josephine Diem Pham received payments from drug or device companies?
CMS Open Payments shows $19,299 in general payments to Dr. Pham from 57 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Josephine Diem Pham been practicing?
Dr. Pham graduated from medical school in 1993, 33 years ago.
Does Dr. Josephine Diem Pham do research?
Dmand AI links 6 publications to Dr. Pham, published from 2021 to 2022.
Who does Dr. Josephine Diem Pham publish with?
Dr. Pham's most frequent co-authors are Thomas Hanson Alexander, MD (2 shared papers), Nicole Gabriele Coufal, MD (2 shared papers) and Mark L. Hepokoski, MD (2 shared papers).
What insurance does Dr. Josephine Diem Pham accept?
Dr. Pham is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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