James H. Pak
- Medicare services, 2021
- 11
- Medicare patients, 2024
- 72
- Part D claims, 2019
- 12
- Hospital affiliations
- 3
- Industry payments
- $217
- Practice address
- 900 Hyde St, San Francisco, CA 94109
- Practice phone
- Call (415) 353-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find James Pak'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.
James H. Pak is an anesthesiologist in San Francisco, California
James Pak practices at UCSF Health Hyde Hospital in San Francisco, California, part of University of California Health.
James Pak's NPI, 1073559191, was assigned on June 20, 2006. James Pak graduated from University of Rochester Medical Center in 1998. James Pak holds California license A72313.
- NPI
- 1073559191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921086380
- NPI enumeration date
- June 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James H. Pak practices at UCSF Health Hyde Hospital in San Francisco, California
James Pak's primary practice is UCSF Health Hyde Hospital, at 900 Hyde St, San Francisco, CA 94109 in San Francisco County. The practice phone is (415) 353-6000.
- UCSF Health Hyde Hospital900 Hyde St, San Francisco, CA 94109 · San Francisco CountyPhone(415) 353-6000
Source: Dmand AI Affiliation Data
James H. Pak is affiliated with 7 sites of care and 6 medical groups
James Pak's primary practice is UCSF Health Hyde Hospital in San Francisco, California, part of University of California Health. James Pak is also affiliated with UCSF Health Stanyan Hospital. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links James Pak to 1 more hospital, 5 medical groups, 3 group practices and clinics and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at James H. Pak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Pak practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Health Hyde Hospital | Available with a free account |
| +6 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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James H. Pak is one of 6,593 anesthesiologists in California
Anesthesiology is James Pak's primary specialty in the NPI Registry, under taxonomy code 207L00000X. James Pak is board certified in anesthesiology by the American Board of Anesthesiology. James Pak is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near James Pak
Counts of anesthesiologists 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
James H. Pak billed Medicare for 11 services in 2021
CMS data shows 11 Medicare services from James Pak across 1 procedure code in 2021, for 72 Medicare patients. Medicare paid $1,043 for them. Every service was in a facility, such as a hospital, rather than an office.
James Pak's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Anesthesia
- 2020: 112021: 11No change
- Imaging
- 2020: 112021: 0100%
James Pak compared with the California median for anesthesiologists, 2021
- James Pak
- California median
- Medicare services
- 11vs 7285% below
- Medicare patients
- 72vs 14350% below
- Part D claims
- 12vs 2348% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
James Pak'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.
Need commercial claims for James Pak?
Medicare shows one payer. Book a meeting to get commercial claims data for James Pak and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
James H. Pak treated 72 Medicare patients in 2024, average age 75
CMS counts 72 Medicare patients who saw James Pak in 2024. The largest group is 75 to 84, with 37 patients. 72% of them have high cholesterol, and 71% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Pak's median patient age at 47, with 51% women.
James Pak's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
James Pak's Medicare patients by sex, 2024
- Women3346%
- Men3954%
Chronic conditions among James Pak's Medicare patients, 2024
- High cholesterol72%
- High blood pressure71%
- Arthritis40%
- Diabetes35%
- Chronic kidney disease31%
- Atrial fibrillation25%
- Cancer25%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
James Pak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women51%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James H. Pak wrote 12 Medicare Part D claims in 2019
In 2019, James Pak wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $347 in total drug cost. In 2016, CMS named 27 claims across 2 drugs.
James Pak's most prescribed drugs by claims, 2019
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, 2016 to 2019
- 2016
- 2019
- Claims for drugs CMS names
- 2016: 272019: 1256%
Drugs named by CMS: 1 in 2019, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How James H. Pak takes part in Medicare
James Pak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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James H. Pak received $217 in industry payments from 2019 to 2025
CMS Open Payments shows 6 general payments to James Pak from 6 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $122.
General payments to James Pak by program year, 2019 to 2025
Companies that paid James Pak the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
James H. Pak graduated from University of Rochester Medical Center
James Pak graduated from University of Rochester Medical Center in 1998.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
James H. Pak accepts plans from 4 insurance carriers
James Pak is in network with 4 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types James Pak accepts, by number of carriers
- Medicare2
- POS2
- EPO1
- HMO1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for James H. Pak'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 James H. Pak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James H. Pak's NPI number?
James H. Pak's NPI number is 1073559191. It was assigned on June 20, 2006, and it is active in the NPI Registry.
What does James H. Pak specialize in?
James H. Pak is an anesthesiologist in San Francisco, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does James H. Pak practice?
James Pak practices at 900 Hyde St, San Francisco, CA 94109. James Pak's primary practice is UCSF Health Hyde Hospital in San Francisco, California, part of University of California Health. Dmand AI also links James Pak to 1 hospital, 5 medical groups, 3 group practices and clinics and 1 physician office.
What is James H. Pak's office phone number?
The practice phone on file for James Pak is (415) 353-6000.
What is James H. Pak's medical license number?
James Pak holds California license A72313.
Which hospitals is James H. Pak affiliated with?
James Pak practices at UCSF Health Hyde Hospital in San Francisco, California. James Pak is also affiliated with UCSF Health Stanyan Hospital. Dmand AI links James Pak to 1 more hospital.
What medical group is James H. Pak part of?
James Pak is linked to Palo Alto Foundation Medical Group. Dmand AI links James Pak to 5 more medical groups.
Does James H. Pak accept Medicare?
Yes. CMS data shows James Pak billed Medicare for 11 services in 2021, and James Pak accepts Medicare assignment.
How many Medicare patients does James H. Pak see?
CMS counts 72 Medicare patients who saw James Pak in 2024, with an average age of 75.
Is James H. Pak board certified?
Yes. James Pak is board certified in anesthesiology by the American Board of Anesthesiology.
Show 6 more questionsShow fewer questions
What services does James H. Pak bill to Medicare?
In 2021, James Pak's most billed Medicare services were anesthesia (00410).
Where did James H. Pak go to medical school?
James Pak graduated from University of Rochester Medical Center in 1998.
What drugs does James H. Pak prescribe most?
In 2019 Medicare Part D data, James Pak's most prescribed drugs by claims were Ciclopirox.
Has James H. Pak received payments from drug or device companies?
CMS Open Payments shows $217 in general payments to James Pak from 6 companies from 2019 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has James H. Pak been practicing?
James Pak graduated from medical school in 1998, 28 years ago.
What insurance does James H. Pak accept?
James Pak is in network with 4 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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