Dr. Brent J. Gray, MD

  • Whittier, CA
  • OB-GYN
NPI1114015963PAC ID2567527286
Medicare services, 2024
99
Medicare patients, 2024
80
Part D claims, 2024
464
MIPS score, 2024
79
Hospital affiliations
2
Practice address
12401 Washington Blvd, Whittier, CA 90602
Practice phone
Call (562) 698-0811
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

PIH Health Whittier Hospital

Hospital · Whittier, California

See all 4 affiliations

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Dr. Brent J. Gray is an OB-GYN in Whittier, California

Dr. Gray practices at PIH Health Whittier Hospital in Whittier, California, part of PIH Health.

Dr. Gray's NPI, 1114015963, was assigned on October 10, 2006. Dr. Gray graduated from Tulane School of Medicine in 1990. Dr. Gray holds California license A49940.

NPI and contact details
Medicare PAC ID
2567527286
NPI enumeration date
October 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(562) 698-0811
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1990

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

Dr. Brent J. Gray practices at PIH Health Whittier Hospital in Whittier, California

Dr. Gray's primary practice is PIH Health Whittier Hospital, at 12401 Washington Blvd, Whittier, CA 90602 in Los Angeles County. The practice phone is (562) 698-0811.

Source: Dmand AI Affiliation Data

Dr. Brent J. Gray is affiliated with 3 sites of care and 1 medical group

Dr. Gray's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Gray to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Gray

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Brent J. Gray's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gray practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
PIH Health Whittier HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Brent J. Gray is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Gray's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Gray is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Gray is licensed in California.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense A49940 · 1991 to 2027 · taxonomy 207V00000X

Clinical focus

Dmand AI lists hysterectomy, menopause, pelvic prolapse, vaginal infection and vaginal prolapse repair among the conditions Dr. Gray treats.

OB-GYNs near Dr. Gray

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. Brent J. Gray billed Medicare for 99 services in 2024

CMS data shows 99 Medicare services from Dr. Gray across 3 procedure codes in 2024, for 80 Medicare patients. Medicare paid $5,601 for them. Every service was in an office.

Medicare services, 202499
Medicare patients80
Paid by Medicare$5,601
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 702024: 6211%
Other services
2023: 372024: 2435%
Lab and pathology
2023: 192024: 1332%

Dr. Gray compared with the California median for OB-GYNs, 2024

  • Dr. Gray
  • California median
Medicare services
99vs 5871% above
Medicare patients
80vs 5254% above
Part D claims
334vs 359.5 times

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

Dr. Gray'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. Gray

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

Dr. Brent J. Gray treated 80 Medicare patients in 2024, average age 71

CMS counts 80 Medicare patients who saw Dr. Gray in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 21% are also on Medicaid. Their average risk score is 0.84, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gray's median patient age at 40, with 98% women.

Medicare patients, 202480
Average age71
Average risk score0.84
Also on Medicaid21%

Dr. Gray's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High cholesterol75%
  2. High blood pressure63%
  3. Arthritis49%
  4. Osteoporosis34%
  5. Anxiety24%
  6. Diabetes24%
  7. Cancer20%
  8. Asthma19%

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

Dr. Gray's patients across all payers

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

Patient panel by age, all payers

Median age 40

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. Brent J. Gray wrote 464 Medicare Part D claims in 2024

In 2024, Dr. Gray wrote 464 Medicare Part D claims for 159 patients. 78% of them were for generic drugs. CMS names the drug for 334 of them, across 8 drugs with 11 or more claims each, at $64,050 in total drug cost. In 2023, CMS named 323 claims across 9 drugs.

Part D claims, 2024464
Drugs named by CMS8
Total drug cost$64,050
Part D patients159

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

  • Generic364 claims78%
  • Brand-name and other100 claims22%

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

  • Opioids2%11 of 464 claims
  • Antibiotics9%44 of 464 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: 3232024: 3343%

Drugs named by CMS: 8 in 2024, 9 in 2023.

See all prescribing by Dr. Gray

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. Brent J. Gray 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. Gray for performance year 2024, reported as part of a group. Dr. Gray accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Gray'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.

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. Brent J. Gray received $8,963 in industry payments from 2016 to 2024

CMS Open Payments shows 23 general payments to Dr. Gray from 13 drug and device companies from 2016 to 2024. Education make up the largest share, 84% of the total. Intuitive Surgical, Inc. paid the most, $8,343.

General payments to Dr. Gray by program year, 2016 to 2024

General payments to Dr. Gray by kind, 2016 to 2024

$9Kin total
  • Education$7,50084%
  • Travel and lodging$7729%
  • Food and beverage$6657%
  • Speaker and faculty fees$250%

Companies that paid Dr. Gray the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Gray

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

Dr. Brent J. Gray has 1 award and honors on record

Dmand AI lists 1 award for Dr. Gray.

Awards and honors for Dr. Gray

  1. Undated
    • ACOG Fellow

Source: Dmand AI Professional Profile Data

Dr. Brent J. Gray graduated from Tulane School of Medicine

Dr. Gray graduated from Tulane School of Medicine in 1990. Dr. Gray is a member of American College of Obstetricians and Gynecologists.

  1. Medical schoolTulane School of Medicine
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Brent J. Gray accepts plans from 15 insurance carriers

Dr. Gray is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO 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
  • Elevance
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Gray accepts, by number of carriers

  1. PPO10
  2. Medicare8
  3. HMO7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Brent J. Gray'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)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)
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. Brent J. Gray

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. Brent J. Gray's NPI number?

Dr. Brent J. Gray's NPI number is 1114015963. It was assigned on October 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Brent J. Gray?

Dr. Brent J. Gray is an OB-GYN in Whittier, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Brent J. Gray practice?

Dr. Gray practices at 12401 Washington Blvd, Whittier, CA 90602. Dr. Gray's primary practice is PIH Health Whittier Hospital in Whittier, California, part of PIH Health. Dmand AI also links Dr. Gray to 1 hospital and 1 group practice or clinic.

What is Dr. Brent J. Gray's office phone number?

The practice phone on file for Dr. Gray is (562) 698-0811.

What is Dr. Brent J. Gray's medical license number?

Dr. Gray holds California license A49940.

Which hospitals is Dr. Brent J. Gray affiliated with?

Dr. Gray practices at PIH Health Whittier Hospital in Whittier, California. Dmand AI links Dr. Gray to 1 more hospital.

What medical group is Dr. Brent J. Gray part of?

Dr. Gray is linked to PIH Health Physicians.

Does Dr. Brent J. Gray accept Medicare?

Yes. CMS data shows Dr. Gray billed Medicare for 99 services in 2024, and Dr. Gray accepts Medicare assignment.

What is Dr. Brent J. Gray's MIPS score?

Dr. Gray's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Brent J. Gray see?

CMS counts 80 Medicare patients who saw Dr. Gray in 2024, with an average age of 71.

Show 7 more questionsShow fewer questions

Is Dr. Brent J. Gray board certified?

Yes. Dr. Gray is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

What services does Dr. Brent J. Gray bill to Medicare?

In 2024, Dr. Gray's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and lab and pathology test (81002).

Where did Dr. Brent J. Gray go to medical school?

Dr. Gray graduated from Tulane School of Medicine in 1990.

What drugs does Dr. Brent J. Gray prescribe most?

In 2024 Medicare Part D data, Dr. Gray's most prescribed drugs by claims were Estradiol, Tolterodine Tartrate ER and Yuvafem.

Has Dr. Brent J. Gray received payments from drug or device companies?

CMS Open Payments shows $8,963 in general payments to Dr. Gray from 13 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Brent J. Gray been practicing?

Dr. Gray graduated from medical school in 1990, 36 years ago.

What insurance does Dr. Brent J. Gray accept?

Dr. Gray is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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