Dr. Sonia Ralli Grewal, MD
- Medicare services, 2024
- 913
- Medicare patients, 2024
- 350
- Part D claims, 2024
- 3,760
- Hospital affiliations
- 1
- Industry payments
- $473
- Practice address
- 520 Superior Ave, Newport Beach, CA 92663
- Practice phone
- Call (949) 548-3177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Naqvi and Naqvi MD Inc
Newport Beach, California
Find Dr. Grewal'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. Sonia Ralli Grewal is an internist in Newport Beach, California
Dr. Grewal practices at Naqvi and Naqvi MD Inc in Newport Beach, California.
Dr. Grewal's NPI, 1154512663, was assigned on August 8, 2007. Dr. Grewal graduated from David Geffen School of Medicine at UCLA in 2004. Dr. Grewal holds California license A95350.
- NPI
- 1154512663NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486735198
- NPI enumeration date
- August 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 548-3177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sonia Ralli Grewal practices at Naqvi and Naqvi MD Inc in Newport Beach, California
Dr. Grewal's primary practice is Naqvi and Naqvi MD Inc, at 520 Superior Ave, Newport Beach, CA 92663 in Orange County. The practice phone is (949) 548-3177.
- Naqvi and Naqvi MD Inc520 Superior Ave, Newport Beach, CA 92663 · Orange CountyPhone(949) 548-3177
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sonia Ralli Grewal is affiliated with 4 sites of care and 1 medical group
Dr. Grewal's primary practice is Naqvi and Naqvi MD Inc in Newport Beach, California. Dr. Grewal is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Newport Pulmonary & Endocrine Associates. Dmand AI also links Dr. Grewal to 1 more physician office and 1 group practice or clinic, 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. Sonia Ralli Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Naqvi and Naqvi MD Inc | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sonia Ralli Grewal is one of 16,751 internists in California
Internal medicine is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grewal is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Grewal is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, diabetic emergency, enlarged thyroid, high cholesterol, hypercalcemia, osteoporosis, overactive thyroid and parathyroid gland disorder among the conditions Dr. Grewal treats.
Internists near Dr. Grewal
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. Sonia Ralli Grewal billed Medicare for 913 services in 2024
CMS data shows 913 Medicare services from Dr. Grewal across 6 procedure codes in 2024, for 350 Medicare patients. Medicare paid $86,020 for them. Every service was in an office.
Dr. Grewal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7302024: 7928%
- Tests and treatments
- 2023: 982024: 12123%
Dr. Grewal compared with the California median for internists, 2024
- Dr. Grewal
- California median
- Medicare services
- 913vs 3612.5 times
- Medicare patients
- 350vs 1512.3 times
- Part D claims
- 3,534vs 4218.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Grewal'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.
Need commercial claims for Dr. Grewal?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grewal and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sonia Ralli Grewal treated 350 Medicare patients in 2024, average age 76
CMS counts 350 Medicare patients who saw Dr. Grewal in 2024. The largest group is 65 to 74, with 168 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 65, with 78% women.
Dr. Grewal's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grewal's Medicare patients by sex, 2024
- Women27378%
- Men7722%
Chronic conditions among Dr. Grewal's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis51%
- Osteoporosis51%
- Diabetes34%
- Chronic kidney disease28%
- Ischemic heart disease27%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grewal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women78%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sonia Ralli Grewal wrote 3,760 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 3,760 Medicare Part D claims for 434 patients. 43% of them were for generic drugs. CMS names the drug for 3,534 of them, across 47 drugs with 11 or more claims each, at $1,443,910 in total drug cost. In 2023, CMS named 3,295 claims across 48 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic1,600 claims43%
- Brand-name1,962 claims52%
- Other198 claims5%
Dr. Grewal'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,2952024: 3,5347%
Drugs named by CMS: 47 in 2024, 48 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
How Dr. Sonia Ralli Grewal takes part in Medicare
Dr. Grewal accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sonia Ralli Grewal received $473 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Grewal from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 73% of the total. Abbvie Inc. paid the most, $150.
General payments to Dr. Grewal by program year, 2016 to 2025
General payments to Dr. Grewal by kind, 2016 to 2025
- Food and beverage$34673%
- Education$12727%
Companies that paid Dr. Grewal the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sonia Ralli Grewal has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grewal, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Grewal
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Sonia Ralli Grewal graduated from David Geffen School of Medicine at UCLA
Dr. Grewal graduated from David Geffen School of Medicine at UCLA in 2004. Dr. Grewal is a member of AOA, AACE and ENDO.
- Medical school
- Board certified in endocrinology, diabetes and metabolism
- Board certified in endocrinology diabetes and metabolism
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Sonia Ralli Grewal accepts plans from 13 insurance carriers
Dr. Grewal is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Grewal accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Sonia Ralli Grewal'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) |
| 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. Sonia Ralli Grewal
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. Sonia Ralli Grewal's NPI number?
Dr. Sonia Ralli Grewal's NPI number is 1154512663. It was assigned on August 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Sonia Ralli Grewal?
Dr. Sonia Ralli Grewal is an internist in Newport Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sonia Ralli Grewal practice?
Dr. Grewal practices at 520 Superior Ave, Newport Beach, CA 92663. Dr. Grewal's primary practice is Naqvi and Naqvi MD Inc in Newport Beach, California. Dmand AI also links Dr. Grewal to 1 physician office and 1 group practice or clinic.
What is Dr. Sonia Ralli Grewal's office phone number?
The practice phone on file for Dr. Grewal is (949) 548-3177.
What is Dr. Sonia Ralli Grewal's medical license number?
Dr. Grewal holds California license A95350.
Which hospitals is Dr. Sonia Ralli Grewal affiliated with?
Dr. Grewal is affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Sonia Ralli Grewal part of?
Dr. Grewal is linked to Newport Pulmonary & Endocrine Associates.
Does Dr. Sonia Ralli Grewal accept Medicare?
Yes. CMS data shows Dr. Grewal billed Medicare for 913 services in 2024, and Dr. Grewal accepts Medicare assignment.
How many Medicare patients does Dr. Sonia Ralli Grewal see?
CMS counts 350 Medicare patients who saw Dr. Grewal in 2024, with an average age of 76.
Is Dr. Sonia Ralli Grewal board certified?
Yes. Dr. Grewal is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Sonia Ralli Grewal bill to Medicare?
In 2024, Dr. Grewal's most billed Medicare services were office visit, established patient (99214), medical service (95251) and office visit, established patient (99213).
Where did Dr. Sonia Ralli Grewal go to medical school?
Dr. Grewal graduated from David Geffen School of Medicine at UCLA in 2004.
What drugs does Dr. Sonia Ralli Grewal prescribe most?
In 2024 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Levothyroxine Sodium, Synthroid and Ozempic.
Has Dr. Sonia Ralli Grewal received payments from drug or device companies?
CMS Open Payments shows $473 in general payments to Dr. Grewal from 9 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Sonia Ralli Grewal been practicing?
Dr. Grewal graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Sonia Ralli Grewal accept?
Dr. Grewal is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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