James H. Pak

  • San Francisco, CA
  • Anesthesiologist
NPI1073559191PAC ID8921086380
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
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Health Hyde Hospital

Hospital · San Francisco, California

See all 13 affiliations

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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 and contact details
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
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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.

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.

See all 13 affiliations for James Pak

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.

EHR by site
SiteEHR vendor and product
UCSF Health Hyde HospitalAvailable with a free account
+6 more sites and 5 medical groupsAvailable 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, CaliforniaPrimaryLicense A72313 · 2000 to 2027 · taxonomy 207L00000X

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.

Medicare services, 202111
Medicare patients72
Paid by Medicare$1,043
Procedure codes1

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.

See all procedures by James Pak

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.

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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.

Medicare patients, 202472
Average age75
Average risk score1.00
Also on Medicaid28%

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

  1. High cholesterol72%
  2. High blood pressure71%
  3. Arthritis40%
  4. Diabetes35%
  5. Chronic kidney disease31%
  6. Atrial fibrillation25%
  7. Cancer25%
  8. 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.

Part D claims, 201912
Drugs named by CMS1
Total drug cost$347

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.

See all prescribing by James Pak

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.

See all payments to James Pak

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.

  1. Medical schoolUniversity of Rochester Medical Center
  2. Board certified in anesthesiologyAmerican Board of 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

  1. Medicare2
  2. POS2
  3. EPO1
  4. HMO1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for James H. Pak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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