Dr. Jillian S. Gray, DO
- Medicare services, 2024
- 1,190
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 4,284
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 1600 S Gaffey St, San Pedro, CA 90731
- Practice phone
- Call (310) 548-0201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr Mona Shah Professional Corporation
San Pedro, California
Find Dr. Gray'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. Jillian S. Gray is an internist in San Pedro, California
Dr. Gray practices at Dr Mona Shah Professional Corporation in San Pedro, California.
Dr. Gray's NPI, 1639296957, was assigned on March 23, 2007. Dr. Gray graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002. Dr. Gray holds California license 20A8683.
- NPI
- 1639296957NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113931445
- NPI enumeration date
- March 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 548-0201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jillian S. Gray practices at Dr Mona Shah Professional Corporation in San Pedro, California
Dr. Gray's primary practice is Dr Mona Shah Professional Corporation, at 1600 S Gaffey St, San Pedro, CA 90731 in Los Angeles County. The practice phone is (310) 548-0201.
- Dr Mona Shah Professional Corporation1600 S Gaffey St, San Pedro, CA 90731 · Los Angeles CountyPhone(310) 548-0201
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jillian S. Gray is affiliated with 10 sites of care and 3 medical groups
Dr. Gray's primary practice is Dr Mona Shah Professional Corporation in San Pedro, California. Dr. Gray is also affiliated with Providence Little Company of Mary Medical Center San Pedro. The medical group on file is GeriNet Medical Associates. Dmand AI also links Dr. Gray to 1 more hospital, 3 group practices and clinics, 2 skilled nursing facilities, 2 medical groups, 1 physician office and 1 home health agency, 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. Jillian S. Gray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gray practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr Mona Shah Professional Corporation | Available with a free account |
| +9 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jillian S. Gray is one of 16,751 internists in California
Internal medicine is Dr. Gray's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gray is board certified in internal medicine by the AOA Board of Internal Medicine. Dr. Gray is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists asthma, bronchitis, chronic anemia, chronic diabetes, chronic hypertension, chronic kidney disease, chronic obstructive pulmonary disease (COPD) and contact dermatitis among the conditions Dr. Gray treats.
Internists near Dr. Gray
Counts of internists 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. Jillian S. Gray billed Medicare for 1,190 services in 2024
CMS data shows 1,190 Medicare services from Dr. Gray across 20 procedure codes in 2024, for 101 Medicare patients. Medicare paid $70,166 for them. Every service was in an office.
Dr. Gray's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 732024: 605729%
- Other services
- 2022: 02024: 328
- Tests and treatments
- 2022: 02024: 116
- Surgery
- 2022: 02024: 109
- Imaging
- 2022: 02024: 20
- Lab and pathology
- 2022: 02024: 12
Dr. Gray compared with the California median for internists, 2024
- Dr. Gray
- California median
- Medicare services
- 1,190vs 3613.3 times
- Medicare patients
- 101vs 15133% below
- Part D claims
- 3,390vs 4218.1 times
Medians across 15,815 internists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gray and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jillian S. Gray treated 101 Medicare patients in 2024, average age 74
CMS counts 101 Medicare patients who saw Dr. Gray in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.51, 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. Gray's median patient age at 60, with 74% women.
Dr. Gray's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gray's Medicare patients by sex, 2024
- Women6968%
- Men3232%
Chronic conditions among Dr. Gray's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease47%
- Depression41%
- Mood disorders41%
- Anxiety39%
- COPD33%
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 60
Patient panel by sex, all payers
- Women74%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jillian S. Gray wrote 4,284 Medicare Part D claims in 2024
In 2024, Dr. Gray wrote 4,284 Medicare Part D claims for 285 patients. 85% of them were for generic drugs. CMS names the drug for 3,390 of them, across 107 drugs with 11 or more claims each, at $402,065 in total drug cost. In 2023, CMS named 1,353 claims across 57 drugs.
Dr. Gray's Part D claims by kind of drug, 2024
- Generic3,620 claims85%
- Brand-name636 claims15%
- Other28 claims1%
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
- Opioids4%172 of 4,284 claims
- Antibiotics4%189 of 4,284 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: 1,3532024: 3,390151%
Drugs named by CMS: 107 in 2024, 57 in 2023.
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. Jillian S. Gray scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 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. CMS lists Dr. Gray as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gray's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 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. Jillian S. Gray received $3,796 in industry payments from 2017 to 2025
CMS Open Payments shows 98 general payments to Dr. Gray from 23 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $828.
General payments to Dr. Gray by program year, 2017 to 2025
Companies that paid Dr. Gray 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. Jillian S. Gray graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Gray graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002. Dr. Gray is a member of ACP and AOA.
- Medical school
- Board certified in internal medicine
- Board certified in 2003 - 2026
- Board certified in 2009 - 2010
Source: Dmand AI Professional Profile Data
Dr. Jillian S. Gray accepts plans from 15 insurance carriers
Dr. Gray is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +7 more carriersWith a free account
Plan types Dr. Gray accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Jillian S. Gray'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 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)Medicare Part D Prescribers - by Provider (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) |
| 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. Jillian S. 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. Jillian S. Gray's NPI number?
Dr. Jillian S. Gray's NPI number is 1639296957. It was assigned on March 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jillian S. Gray?
Dr. Jillian S. Gray is an internist in San Pedro, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jillian S. Gray practice?
Dr. Gray practices at 1600 S Gaffey St, San Pedro, CA 90731. Dr. Gray's primary practice is Dr Mona Shah Professional Corporation in San Pedro, California. Dmand AI also links Dr. Gray to 1 hospital, 3 group practices and clinics, 2 skilled nursing facilities, 2 medical groups, 1 physician office and 1 home health agency.
What is Dr. Jillian S. Gray's office phone number?
The practice phone on file for Dr. Gray is (310) 548-0201.
What is Dr. Jillian S. Gray's medical license number?
Dr. Gray holds California license 20A8683.
Which hospitals is Dr. Jillian S. Gray affiliated with?
Dr. Gray is affiliated with Providence Little Company of Mary Medical Center San Pedro. Dmand AI links Dr. Gray to 1 more hospital.
What medical group is Dr. Jillian S. Gray part of?
Dr. Gray is linked to GeriNet Medical Associates. Dmand AI links Dr. Gray to 2 more medical groups.
Does Dr. Jillian S. Gray accept Medicare?
Yes. CMS data shows Dr. Gray billed Medicare for 1,190 services in 2024, and Dr. Gray accepts Medicare assignment.
Does Dr. Jillian S. Gray offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gray as offering telehealth services.
What is Dr. Jillian S. Gray's MIPS score?
Dr. Gray's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Jillian S. Gray see?
CMS counts 101 Medicare patients who saw Dr. Gray in 2024, with an average age of 74.
Is Dr. Jillian S. Gray board certified?
Yes. Dr. Gray is board certified in internal medicine by the AOA Board of Internal Medicine.
What services does Dr. Jillian S. Gray bill to Medicare?
In 2024, Dr. Gray's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99215).
Where did Dr. Jillian S. Gray go to medical school?
Dr. Gray graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002.
What drugs does Dr. Jillian S. Gray prescribe most?
In 2024 Medicare Part D data, Dr. Gray's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Albuterol Sulfate Hfa.
Has Dr. Jillian S. Gray received payments from drug or device companies?
CMS Open Payments shows $3,796 in general payments to Dr. Gray from 23 companies from 2017 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Jillian S. Gray been practicing?
Dr. Gray graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Jillian S. Gray accept?
Dr. Gray is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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