Dr. Marian C. Pak, DO
- MIPS score, 2024
- 79
- Industry payments
- $1,227
- Affiliated sites
- 2
- Medical groups
- 3
- Insurance carriers
- 13
- Practice address
- 1245 W Wilshire Blvd, Los Angeles, CA 90017
- Practice phone
- Call (213) 482-2770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PIH Health Physicians
Los Angeles, California
Find Dr. 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.
Dr. Marian C. Pak is an OB-GYN in Los Angeles, California
Dr. Pak practices at PIH Health Physicians in Los Angeles, California.
Dr. Pak's NPI, 1790128841, was assigned on April 9, 2013. Dr. Pak holds California license 20A13783.
- NPI
- 1790128841NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830450832
- NPI enumeration date
- April 9, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 482-2770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marian C. Pak practices at PIH Health Physicians in Los Angeles, California
Dr. Pak's primary practice is PIH Health Physicians, at 1245 W Wilshire Blvd, Los Angeles, CA 90017 in Los Angeles County. The practice phone is (213) 482-2770.
- PIH Health Physicians1245 W Wilshire Blvd, Los Angeles, CA 90017 · Los Angeles CountyPhone(213) 482-2770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marian C. Pak is affiliated with 3 sites of care and 3 medical groups
Dr. Pak's primary practice is PIH Health Physicians in Los Angeles, California. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Pak to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marian C. Pak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pak practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Physicians | 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. Marian C. Pak is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Pak's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Pak is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Pak is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists hysterectomy and menopause among the conditions Dr. Pak treats.
OB-GYNs near Dr. Pak
Counts of OB-GYNs 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. Marian C. Pak's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Dr. Pak's median patient age at 35, with 98% women.
Dr. 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 35
Patient panel by sex, all payers
- Women98%
- Men1%
Source: Dmand AI Patient Panel Data
Dr. Marian C. Pak scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Pak for performance year 2024, reported as part of a group. Dr. Pak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Pak as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Pak's MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 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
Dr. Marian C. Pak received $1,227 in industry payments from 2017 to 2025
CMS Open Payments shows 48 general payments to Dr. Pak from 21 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 85% of the total. CooperSurgical, Inc. paid the most, $211.
General payments to Dr. Pak by program year, 2017 to 2025
General payments to Dr. Pak by kind, 2017 to 2025
- Food and beverage$1,04585%
- Education$18115%
Companies that paid Dr. Pak the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marian C. Pak is board certified in obstetrics & gynecology
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Marian C. Pak accepts plans from 13 insurance carriers
Dr. Pak is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +5 more carriersWith a free account
Plan types Dr. Pak accepts, by number of carriers
- Medicare10
- PPO8
- HMO6
- POS4
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Marian C. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Marian C. 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 Dr. Marian C. Pak's NPI number?
Dr. Marian C. Pak's NPI number is 1790128841. It was assigned on April 9, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Marian C. Pak?
Dr. Marian C. Pak is an OB-GYN in Los Angeles, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Marian C. Pak practice?
Dr. Pak practices at 1245 W Wilshire Blvd, Los Angeles, CA 90017. Dr. Pak's primary practice is PIH Health Physicians in Los Angeles, California. Dmand AI also links Dr. Pak to 2 group practices and clinics and 2 medical groups.
What is Dr. Marian C. Pak's office phone number?
The practice phone on file for Dr. Pak is (213) 482-2770.
What is Dr. Marian C. Pak's medical license number?
Dr. Pak holds California license 20A13783.
What medical group is Dr. Marian C. Pak part of?
Dr. Pak is linked to PIH Health Physicians. Dmand AI links Dr. Pak to 2 more medical groups.
Does Dr. Marian C. Pak accept Medicare?
Yes. CMS lists Dr. Pak as accepting Medicare assignment.
Does Dr. Marian C. Pak offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Pak as offering telehealth services.
What is Dr. Marian C. Pak's MIPS score?
Dr. Pak's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Is Dr. Marian C. Pak board certified?
Yes. Dr. Pak is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
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Has Dr. Marian C. Pak received payments from drug or device companies?
CMS Open Payments shows $1,227 in general payments to Dr. Pak from 21 companies from 2017 to 2025. The largest total came from CooperSurgical, Inc.
How long has Dr. Marian C. Pak been practicing?
Dr. Pak graduated from medical school in 2013, 13 years ago.
What insurance does Dr. Marian C. Pak accept?
Dr. Pak is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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