Dr. Erin Marsh Mellano, MD

  • Torrance, CA
  • Gynecology physician
NPI1720240328PAC ID2860718277
Medicare services, 2024
6,210
Medicare patients, 2024
659
Part D claims, 2024
2,140
Publications
1
MIPS score, 2024
87
Practice address
4201 Torrance Blvd, Torrance, CA 90503
Practice phone
Call (310) 540-0144
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Seaside Surgical Center Inc

Torrance, California

See all 11 affiliations

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Dr. Erin Marsh Mellano is a gynecology physician in Torrance, California

Dr. Mellano practices at Seaside Surgical Center Inc in Torrance, California.

Dr. Mellano's NPI, 1720240328, was assigned on June 26, 2008. Dr. Mellano graduated from Keck School of Medicine of USC in 2008. Dr. Mellano holds California license A110493.

NPI and contact details
Medicare PAC ID
2860718277
NPI enumeration date
June 26, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 540-0144
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Erin Marsh Mellano practices at Seaside Surgical Center Inc in Torrance, California

Dr. Mellano's primary practice is Seaside Surgical Center Inc, at 4201 Torrance Blvd, Torrance, CA 90503 in Los Angeles County. The practice phone is (310) 540-0144.

  • Seaside Surgical Center Inc
    4201 Torrance Blvd, Torrance, CA 90503 · Los Angeles CountyPhone(310) 540-0144

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Erin Marsh Mellano is affiliated with 7 sites of care and 4 medical groups

Dr. Mellano's primary practice is Seaside Surgical Center Inc in Torrance, California. Dr. Mellano is also affiliated with Torrance Memorial Medical Center. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Mellano to 2 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.

See all 11 affiliations for Dr. Mellano

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Erin Marsh Mellano's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mellano practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Seaside Surgical Center IncAvailable with a free account
+6 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Erin Marsh Mellano is one of 297 gynecology physicians in California

Gynecology is Dr. Mellano's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dr. Mellano is board certified in female pelvic medicine and reconstructive surgery by the American Board of Obstetrics and Gynecology. Dr. Mellano is licensed in California.

Specialties and state licenses

  • Gynecology, CaliforniaPrimaryLicense A110493 · 2009 to 2027 · taxonomy 207VG0400X

Clinical focus

Dmand AI lists bladder disease, hysterectomy, menopause, pelvic prolapse, UTI, vaginal infection, vaginal prolapse repair and vaginal repair among the conditions Dr. Mellano treats.

Gynecology physicians near Dr. Mellano

Counts of gynecology physicians with a Dmand AI profile, by place and practice. Each opens the list.

297gynecology physicians in California
4gynecology physicians in Torrance

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Erin Marsh Mellano billed Medicare for 6,210 services in 2024

CMS data shows 6,210 Medicare services from Dr. Mellano across 21 procedure codes in 2024, for 659 Medicare patients. Medicare paid $182,349 for them. Every service was in an office.

Medicare services, 20246,210
Medicare patients659
Paid by Medicare$182,349
Procedure codes21

Dr. Mellano's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 2,2422024: 4,35094%
Office and hospital visits
2023: 1,1342024: 1,27012%
Surgery
2023: 4852024: 54512%
Imaging
2023: 312024: 2423%
Other services
2023: 202024: 215%
Lab and pathology
2023: 4272024: 0100%

Dr. Mellano compared with the California median for gynecology physicians, 2024

  • Dr. Mellano
  • California median
Medicare services
6,210vs 10459.7 times
Medicare patients
659vs 907.3 times
Part D claims
1,976vs 6032.9 times

Medians across 253 gynecology physicians in California with Dmand AI profiles that report each measure.

Dr. Mellano'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.

See all procedures by Dr. Mellano

Need commercial claims for Dr. Mellano?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mellano and other gynecology physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Erin Marsh Mellano treated 659 Medicare patients in 2024, average age 75

CMS counts 659 Medicare patients who saw Dr. Mellano in 2024. The largest group is 65 to 74, with 285 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mellano's median patient age at 60, with 98% women.

Medicare patients, 2024659
Average age75
Average risk score1.09
Also on Medicaid9%

Dr. Mellano's Medicare patients by age, 2024

Chronic conditions among Dr. Mellano's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure63%
  3. Arthritis54%
  4. Osteoporosis34%
  5. Diabetes27%
  6. Mood disorders24%
  7. Anxiety23%
  8. Depression22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mellano's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women98%
  • Men0%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Erin Marsh Mellano wrote 2,140 Medicare Part D claims in 2024

In 2024, Dr. Mellano wrote 2,140 Medicare Part D claims for 558 patients. 80% of them were for generic drugs. CMS names the drug for 1,976 of them, across 37 drugs with 11 or more claims each, at $411,490 in total drug cost. In 2023, CMS named 1,672 claims across 35 drugs.

Part D claims, 20242,140
Drugs named by CMS37
Total drug cost$411,490
Part D patients558

Dr. Mellano's Part D claims by kind of drug, 2024

  • Generic1,706 claims80%
  • Brand-name434 claims20%

Dr. Mellano'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. Mellano's Part D claims, 2024

  • Opioids1%20 of 2,140 claims
  • Antibiotics17%359 of 2,140 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: 1,6722024: 1,97618%

Drugs named by CMS: 37 in 2024, 35 in 2023.

See all prescribing by Dr. Mellano

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. Erin Marsh Mellano 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. Mellano for performance year 2024, reported as part of a group. Dr. Mellano accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mellano as offering telehealth. CMS counts 23 procedures of removal of skin lesions by Dr. Mellano, more than 66% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mellano's MIPS scores, performance year 2024

  • 87of 100Final score
  • 80.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Mellano ranks in Medicare procedure volume

Removal of skin lesions
66th percentile23 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of the uterus: 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. Erin Marsh Mellano has 1 publication on record

Dmand AI links 1 paper to Dr. Mellano. Dr. Mellano's most frequent co-authors are Karl Jallad, MD, Ja-Hong Kim, MD and Quinn Kerr Lippmann, MD, MPH.

Papers1

Dr. Mellano's most frequent co-authors

Recent publications by Dr. Mellano

See all 1 publications and co-authors

See who Dr. Mellano researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mellano works with, so you can find a warm path to the right gynecology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Erin Marsh Mellano received $3,749 in industry payments from 2016 to 2025

CMS Open Payments shows 38 general payments to Dr. Mellano from 12 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 48% of the total. Medtronic, Inc. paid the most, $1,817.

General payments to Dr. Mellano by program year, 2016 to 2025

General payments to Dr. Mellano by kind, 2016 to 2025

$3.7Kin total
  • Speaker and faculty fees$1,80048%
  • Food and beverage$1,48039%
  • Travel and lodging$39611%
  • Education$732%

Companies that paid Dr. Mellano the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mellano

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Erin Marsh Mellano graduated from Keck School of Medicine of USC

Dr. Mellano graduated from Keck School of Medicine of USC in 2008.

  1. Medical schoolKeck School of Medicine of USC
  2. Board certified in female pelvic medicine and reconstructive surgeryAmerican Board of Obstetrics and Gynecology
  3. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Erin Marsh Mellano accepts plans from 14 insurance carriers

Dr. Mellano is in network with 14 carriers, including United Healthcare, Elevance and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • United Healthcare
  • Elevance
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Mellano accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare5
  4. EPO3
  5. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Erin Marsh Mellano'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Dr. Erin Marsh Mellano

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. Erin Marsh Mellano's NPI number?

Dr. Erin Marsh Mellano's NPI number is 1720240328. It was assigned on June 26, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Erin Marsh Mellano?

Dr. Erin Marsh Mellano is a gynecology physician in Torrance, California. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).

Where does Dr. Erin Marsh Mellano practice?

Dr. Mellano practices at 4201 Torrance Blvd, Torrance, CA 90503. Dr. Mellano's primary practice is Seaside Surgical Center Inc in Torrance, California. Dmand AI also links Dr. Mellano to 2 hospitals, 3 group practices and clinics and 3 medical groups.

What is Dr. Erin Marsh Mellano's office phone number?

The practice phone on file for Dr. Mellano is (310) 540-0144.

What is Dr. Erin Marsh Mellano's medical license number?

Dr. Mellano holds California license A110493.

Which hospitals is Dr. Erin Marsh Mellano affiliated with?

Dr. Mellano is affiliated with Torrance Memorial Medical Center. Dmand AI links Dr. Mellano to 2 more hospitals.

What medical group is Dr. Erin Marsh Mellano part of?

Dr. Mellano is linked to Harbor-UCLA Medical Center. Dmand AI links Dr. Mellano to 3 more medical groups.

Does Dr. Erin Marsh Mellano accept Medicare?

Yes. CMS data shows Dr. Mellano billed Medicare for 6,210 services in 2024, and Dr. Mellano accepts Medicare assignment.

Does Dr. Erin Marsh Mellano offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Mellano as offering telehealth services.

What is Dr. Erin Marsh Mellano's MIPS score?

Dr. Mellano's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Erin Marsh Mellano see?

CMS counts 659 Medicare patients who saw Dr. Mellano in 2024, with an average age of 75.

Is Dr. Erin Marsh Mellano board certified?

Yes. Dr. Mellano is board certified in female pelvic medicine and reconstructive surgery by the American Board of Obstetrics and Gynecology.

What services does Dr. Erin Marsh Mellano bill to Medicare?

In 2024, Dr. Mellano's most billed Medicare services were injected or infused drug (J0585), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. Erin Marsh Mellano go to medical school?

Dr. Mellano graduated from Keck School of Medicine of USC in 2008.

What drugs does Dr. Erin Marsh Mellano prescribe most?

In 2024 Medicare Part D data, Dr. Mellano's most prescribed drugs by claims were Estradiol, Methenamine Hippurate and Gemtesa.

Has Dr. Erin Marsh Mellano received payments from drug or device companies?

CMS Open Payments shows $3,749 in general payments to Dr. Mellano from 12 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Erin Marsh Mellano been practicing?

Dr. Mellano graduated from medical school in 2008, 18 years ago.

Does Dr. Erin Marsh Mellano do research?

Dmand AI links 1 publication to Dr. Mellano.

Who does Dr. Erin Marsh Mellano publish with?

Dr. Mellano's most frequent co-authors are Karl Jallad, MD (1 shared paper), Ja-Hong Kim, MD (1 shared paper) and Quinn Kerr Lippmann, MD, MPH (1 shared paper).

What insurance does Dr. Erin Marsh Mellano accept?

Dr. Mellano is in network with 14 carriers, including United Healthcare, Elevance and HCSC. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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