Dr. Martha S. Hynes, MD

  • Torrance, CA
  • OB-GYN
NPI1801800750
Medicare services, 2018
87
Part D claims, 2020
11
Industry payments
$72
Affiliated sites
1
Medical group
1
Practice address
20911 Earl St Ste 460 Suite 460, Torrance, CA 90503
Practice phone
Call (310) 540-4060
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mona P Ramaney - Torrance (Earl St)

Women's health practice · Torrance, California

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Dr. Martha S. Hynes is an OB-GYN in Torrance, California

Dr. Hynes practices at Mona P Ramaney - Torrance (Earl St) in Torrance, California.

Dr. Hynes' NPI, 1801800750, was assigned on July 28, 2006. Dr. Hynes graduated from Virginia Commonwealth University School of Medicine in 1981. Dr. Hynes holds California license G47713.

NPI and contact details
NPI enumeration date
July 28, 2006
NPI status
Active
Practice phone
(310) 540-4060
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
71
Medical school graduation
1981

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

Dr. Martha S. Hynes practices at Mona P Ramaney - Torrance (Earl St) in Torrance, California

Dr. Hynes' primary practice is Mona P Ramaney - Torrance (Earl St), at 20911 Earl St Ste 460 Suite 460, Torrance, CA 90503. The practice phone is (310) 540-4060.

  • Mona P Ramaney - Torrance (Earl St)
    20911 Earl St Ste 460 Suite 460, Torrance, CA 90503Phone(310) 540-4060

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Martha S. Hynes is affiliated with 1 site of care and 1 medical group

Dr. Hynes' primary practice is Mona P Ramaney - Torrance (Earl St) in Torrance, California. The medical group on file is Mona Ramaney, MD.

Mona P Ramaney - Torrance (Earl St)Women's health practice · Torrance, CaliforniaPrimary
Mona Ramaney, MDOb/gyn and women's health group, Torrance, CA

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. Martha S. Hynes' practice

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

EHR by site
SiteEHR vendor and product
Mona P Ramaney - Torrance (Earl St)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. Martha S. Hynes is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Hynes' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Hynes is licensed in California.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense G47713 · 1982 to 2027 · taxonomy 207V00000X

OB-GYNs near Dr. Hynes

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. Martha S. Hynes billed Medicare for 87 services in 2018

CMS data shows 87 Medicare services from Dr. Hynes across 1 procedure code in 2018, all of them office visits. Medicare paid $4,088 for them. Every service was in an office.

Medicare services, 201887
Paid by Medicare$4,088
Procedure codes1

Dr. Hynes' Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 1742018: 8750%

Dr. Hynes compared with the California median for OB-GYNs, 2018

  • Dr. Hynes
  • California median
Medicare services
87vs 5850% above
Part D claims
11vs 3569% below

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. Hynes' most billed Medicare procedure codes, 2018

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

Dr. Martha S. Hynes' patients have a median age of 75

Across all payers, Dmand AI patient panel data puts Dr. Hynes' median patient age at 75, with 100% women.

Dr. Hynes' patients across all payers

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

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Martha S. Hynes wrote 11 Medicare Part D claims in 2020

In 2020, Dr. Hynes wrote 11 Medicare Part D claims. They cover 1 drug, with $161 in total drug cost. In 2019, CMS named 33 claims across 2 drugs.

Part D claims, 202011
Drugs named by CMS1
Total drug cost$161

Dr. Hynes' most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 332020: 1167%

Drugs named by CMS: 1 in 2020, 2 in 2019.

See all prescribing by Dr. Hynes

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Martha S. Hynes received $72 in industry payments in 2016

CMS Open Payments shows 1 general payment to Dr. Hynes from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Ascend Therapeutics US, LLC paid the most, $72.

Companies that paid Dr. Hynes the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Hynes

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

Dr. Martha S. Hynes has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Hynes, most recently Member in 1981.

Awards and honors for Dr. Hynes

  1. 1981
    • Member
  2. Undated
    • ACOG Fellow

Source: Dmand AI Professional Profile Data

Dr. Martha S. Hynes graduated from Virginia Commonwealth University School of Medicine

Dr. Hynes graduated from Virginia Commonwealth University School of Medicine in 1981. Dr. Hynes is a member of American College of Obstetricians and Gynecologists and Los Angeles Obstetrical and Gynecological Society.

  1. Medical schoolVirginia Commonwealth University School of Medicine

Source: Dmand AI Professional Profile Data

Dr. Martha S. Hynes accepts plans from 2 insurance carriers

Dr. Hynes is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Massachusetts
  • HCSC

Plan types Dr. Hynes accepts, by number of carriers

  1. Medicare2
  2. PPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Martha S. Hynes'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Martha S. Hynes

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. Martha S. Hynes' NPI number?

Dr. Martha S. Hynes' NPI number is 1801800750. It was assigned on July 28, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Martha S. Hynes?

Dr. Martha S. Hynes is an OB-GYN in Torrance, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Martha S. Hynes practice?

Dr. Hynes practices at 20911 Earl St Ste 460 Suite 460, Torrance, CA 90503. Dr. Hynes' primary practice is Mona P Ramaney - Torrance (Earl St) in Torrance, California.

What is Dr. Martha S. Hynes' office phone number?

The practice phone on file for Dr. Hynes is (310) 540-4060.

What is Dr. Martha S. Hynes' medical license number?

Dr. Hynes holds California license G47713.

What medical group is Dr. Martha S. Hynes part of?

Dr. Hynes is linked to Mona Ramaney, MD.

Does Dr. Martha S. Hynes accept Medicare?

Yes. CMS data shows Dr. Hynes billed Medicare for 87 services in 2018.

What services does Dr. Martha S. Hynes bill to Medicare?

In 2018, Dr. Hynes' most billed Medicare services were office visit, established patient (99213).

Where did Dr. Martha S. Hynes go to medical school?

Dr. Hynes graduated from Virginia Commonwealth University School of Medicine in 1981.

What drugs does Dr. Martha S. Hynes prescribe most?

In 2020 Medicare Part D data, Dr. Hynes' most prescribed drugs by claims were Estradiol-Norethindrone Acetat.

Show 3 more questionsShow fewer questions

Has Dr. Martha S. Hynes received payments from drug or device companies?

CMS Open Payments shows $72 in general payments to Dr. Hynes from 1 company from 2016 to 2016. The largest total came from Ascend Therapeutics US, LLC.

How long has Dr. Martha S. Hynes been practicing?

Dr. Hynes graduated from medical school in 1981, 45 years ago.

What insurance does Dr. Martha S. Hynes accept?

Dr. Hynes is in network with 2 carriers, including Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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