Dr. Harry Marshak, MD
- Medicare services, 2024
- 11,459
- Medicare patients, 2024
- 741
- Part D claims, 2019
- 12
- MIPS score, 2024
- 75
- Hospital affiliations
- 8
- Practice address
- 16453 Colorado Avenue, Paramount, CA 90723
- Practice phone
- Call (562) 531-3110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marshak's professional email, personal email and mobile number
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Dr. Harry Marshak is a plastic surgeon in Paramount, California
Dr. Marshak practices at Kindred Hospital Paramount in Paramount, California, part of ScionHealth.
Dr. Marshak's NPI, 1396751541, was assigned on July 31, 2006. Dr. Marshak graduated from David Geffen School of Medicine at UCLA in 1984. Dr. Marshak holds California license G57467.
- NPI
- 1396751541NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446218044
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 531-3110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harry Marshak practices at Kindred Hospital Paramount in Paramount, California
Dr. Marshak's primary practice is Kindred Hospital Paramount, at 16453 Colorado Avenue, Paramount, CA 90723 in Los Angeles County. The practice phone is (562) 531-3110.
- Kindred Hospital Paramount16453 Colorado Avenue, Paramount, CA 90723 · Los Angeles CountyPhone(562) 531-3110
Source: Dmand AI Affiliation Data
Dr. Harry Marshak is affiliated with 11 sites of care
Dr. Marshak's primary practice is Kindred Hospital Paramount in Paramount, California, part of ScionHealth. Dr. Marshak is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI also links Dr. Marshak to 6 more hospitals and 3 physician offices, 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. Harry Marshak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshak practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kindred Hospital Paramount | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Harry Marshak is one of 778 plastic surgeons in California
Plastic surgery is Dr. Marshak's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Marshak is board certified in plastic surgery by the American Board of Plastic Surgery. Dmand AI has Dr. Marshak's licenses on file in 4 states: California, Florida, New Jersey and New York.
Specialties and state licenses
- Plastic surgery, CaliforniaPrimary
- Florida license
- New Jersey license
- New York license
Plastic surgeons near Dr. Marshak
Counts of plastic surgeons 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. Harry Marshak billed Medicare for 11,459 services in 2024
CMS data shows 11,459 Medicare services from Dr. Marshak across 2 procedure codes in 2024, for 741 Medicare patients. Medicare paid $773,330 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marshak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 10,8332024: 11,4596%
Dr. Marshak compared with the California median for plastic surgeons, 2024
- Dr. Marshak
- California median
- Medicare services
- 11,459vs 58197.6 times
- Medicare patients
- 741vs 5912.6 times
- Part D claims
- 12vs 2654% below
Medians across 622 plastic surgeons in California with Dmand AI profiles that report each measure.
Dr. Marshak'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshak and other plastic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harry Marshak treated 741 Medicare patients in 2024, average age 75
CMS counts 741 Medicare patients who saw Dr. Marshak in 2024. The largest group is 65 to 74, with 253 patients. 75% of them have diabetes, and 75% have heart failure. 82% are also on Medicaid. Their average risk score is 4.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marshak's median patient age at 68, with 44% women.
Dr. Marshak's Medicare patients by age, 2024
Dr. Marshak's Medicare patients by sex, 2024
- Women33545%
- Men40655%
Chronic conditions among Dr. Marshak's Medicare patients, 2024
- Diabetes75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease73%
- Ischemic heart disease64%
- Arthritis61%
- Mood disorders59%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harry Marshak wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Marshak wrote 12 Medicare Part D claims. They cover 1 drug, with $143 in total drug cost. In 2018, CMS named 23 claims across 1 drug.
Dr. Marshak'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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 232019: 1248%
Drugs named by CMS: 1 in 2019, 1 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Harry Marshak scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Marshak for performance year 2024, reported individually. Dr. Marshak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 76 procedures of removal of tissue by Dr. Marshak, more than 83% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Marshak ranks in Medicare procedure volume
- Removal of tissue
- 83rd percentile76 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Harry Marshak received $28 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Marshak from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. ConvaTec Inc. paid the most, $28.
Companies that paid Dr. Marshak the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Harry Marshak has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Marshak.
Awards and honors for Dr. Marshak
- Undated
- ACS Fellow
- Whos Who
Source: Dmand AI Professional Profile Data
Dr. Harry Marshak graduated from David Geffen School of Medicine at UCLA
Dr. Marshak graduated from David Geffen School of Medicine at UCLA in 1984. Dr. Marshak is a member of ACS and ASPS.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. Harry Marshak accepts plans from 1 insurance carrier
Dr. Marshak is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Harry Marshak'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Harry Marshak
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. Harry Marshak's NPI number?
Dr. Harry Marshak's NPI number is 1396751541. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Harry Marshak?
Dr. Harry Marshak is a plastic surgeon in Paramount, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Harry Marshak practice?
Dr. Marshak practices at 16453 Colorado Avenue, Paramount, CA 90723. Dr. Marshak's primary practice is Kindred Hospital Paramount in Paramount, California, part of ScionHealth. Dmand AI also links Dr. Marshak to 6 hospitals and 3 physician offices.
What is Dr. Harry Marshak's office phone number?
The practice phone on file for Dr. Marshak is (562) 531-3110.
What is Dr. Harry Marshak's medical license number?
Dr. Marshak holds California license G57467, one of the licenses on file in 4 states.
Which states has Dr. Harry Marshak been licensed in?
Dmand AI has state licenses on file for Dr. Marshak in California (1986 to 2027), Florida (2024 to 2026), New Jersey (1987 to 1993) and New York (1985 to 1992).
Which hospitals is Dr. Harry Marshak affiliated with?
Dr. Marshak practices at Kindred Hospital Paramount in Paramount, California. Dr. Marshak is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Marshak to 6 more hospitals.
Does Dr. Harry Marshak accept Medicare?
Yes. CMS data shows Dr. Marshak billed Medicare for 11,459 services in 2024, and Dr. Marshak accepts Medicare assignment.
What is Dr. Harry Marshak's MIPS score?
Dr. Marshak's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Harry Marshak see?
CMS counts 741 Medicare patients who saw Dr. Marshak in 2024, with an average age of 75.
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Is Dr. Harry Marshak board certified?
Yes. Dr. Marshak is board certified in plastic surgery by the American Board of Plastic Surgery.
What services does Dr. Harry Marshak bill to Medicare?
In 2024, Dr. Marshak's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99222).
Where did Dr. Harry Marshak go to medical school?
Dr. Marshak graduated from David Geffen School of Medicine at UCLA in 1984.
What drugs does Dr. Harry Marshak prescribe most?
In 2019 Medicare Part D data, Dr. Marshak's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Harry Marshak received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Marshak from 1 company from 2016 to 2016. The largest total came from ConvaTec Inc.
How long has Dr. Harry Marshak been practicing?
Dr. Marshak graduated from medical school in 1984, 42 years ago.
What insurance does Dr. Harry Marshak accept?
Dr. Marshak is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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