Dr. Ratul Chatterjee, MD
- Medicare services, 2024
- 5,454
- Medicare patients, 2024
- 364
- Part D claims, 2024
- 14,848
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Practice address
- 19582 Beach Blvd, Huntington Beach, CA 92648-5923
- Practice phone
- Call (714) 963-1030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Newport Huntington Medical Group
Primary care practice · Huntington Beach, California
Find Dr. Chatterjee's professional email, personal email and mobile number
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Dr. Ratul Chatterjee is an internist in Huntington Beach, California
Dr. Chatterjee practices at Newport Huntington Medical Group in Huntington Beach, California.
Dr. Chatterjee's NPI, 1770597387, was assigned on July 28, 2006. Dr. Chatterjee graduated from University of California, San Francisco School of Medicine in 2000. Dr. Chatterjee holds California license A79661.
- NPI
- 1770597387NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961462296
- NPI enumeration date
- July 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 963-1030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ratul Chatterjee practices at Newport Huntington Medical Group in Huntington Beach, California
Dr. Chatterjee's primary practice is Newport Huntington Medical Group, at 19582 Beach Blvd, Huntington Beach, CA 92648-5923. The practice phone is (714) 963-1030.
- Newport Huntington Medical Group19582 Beach Blvd, Huntington Beach, CA 92648-5923Phone(714) 963-1030
Source: Dmand AI Affiliation Data
Dr. Ratul Chatterjee is affiliated with 12 sites of care and 1 medical group
Dr. Chatterjee's primary practice is Newport Huntington Medical Group in Huntington Beach, California. Dr. Chatterjee is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Newport Huntington Medical Group. Dmand AI also links Dr. Chatterjee to 1 more hospital, 4 skilled nursing facilities, 3 home health agencies and 2 hospices, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ratul Chatterjee's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chatterjee practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Newport Huntington Medical Group | Available with a free account |
| +11 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ratul Chatterjee is one of 16,751 internists in California
Internal medicine is Dr. Chatterjee's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chatterjee is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chatterjee
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. Ratul Chatterjee billed Medicare for 5,454 services in 2024
CMS data shows 5,454 Medicare services from Dr. Chatterjee across 20 procedure codes in 2024, for 364 Medicare patients. Medicare paid $501,771 for them.
Dr. Chatterjee's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4,7112024: 4,9275%
- Other services
- 2023: 3972024: 4103%
- Tests and treatments
- 2023: 1012024: 7130%
- Surgery
- 2023: 652024: 3349%
- Lab and pathology
- 2023: 02024: 13
Where Dr. Chatterjee's Medicare services took place, 2024
- In an office5,34698%
- In a facility1082%
Dr. Chatterjee compared with the California median for internists, 2024
- Dr. Chatterjee
- California median
- Medicare services
- 5,454vs 36115.1 times
- Medicare patients
- 364vs 1512.4 times
- Part D claims
- 14,056vs 42133.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chatterjee'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ratul Chatterjee treated 364 Medicare patients in 2024, average age 77
CMS counts 364 Medicare patients who saw Dr. Chatterjee in 2024. The largest group is 75 to 84, with 171 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.57, 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. Chatterjee's median patient age at 75, with 48% women.
Dr. Chatterjee's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chatterjee's Medicare patients by sex, 2024
- Women19253%
- Men17247%
Chronic conditions among Dr. Chatterjee's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety48%
- Arthritis47%
- Chronic kidney disease44%
- Osteoporosis39%
- Ischemic heart disease36%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chatterjee's 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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ratul Chatterjee wrote 14,848 Medicare Part D claims in 2024
In 2024, Dr. Chatterjee wrote 14,848 Medicare Part D claims for 695 patients. 88% of them were for generic drugs. CMS names the drug for 14,056 of them, across 172 drugs with 11 or more claims each, at $1,329,705 in total drug cost. In 2023, CMS named 14,435 claims across 175 drugs.
Dr. Chatterjee's Part D claims by kind of drug, 2024
- Generic13,023 claims88%
- Brand-name1,779 claims12%
- Other46 claims0%
Dr. Chatterjee'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. Chatterjee's Part D claims, 2024
- Opioids3%419 of 14,848 claims
- Antibiotics3%398 of 14,848 claims
- Antipsychotics, patients 65 and over2%248 of 14,848 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: 14,4352024: 14,0563%
Drugs named by CMS: 172 in 2024, 175 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. Ratul Chatterjee scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Chatterjee for performance year 2024, reported individually. Dr. Chatterjee accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chatterjee as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chatterjee's MIPS scores, performance year 2024
- 84of 100Final score
- 75.7of 100Quality
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Ratul Chatterjee received $29,824 in industry payments from 2016 to 2025
CMS Open Payments shows 705 general payments to Dr. Chatterjee from 48 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 87% of the total. Allergan Inc. paid the most, $5,157.
General payments to Dr. Chatterjee by program year, 2016 to 2025
General payments to Dr. Chatterjee by kind, 2016 to 2025
- Food and beverage$25,99887%
- Speaker and faculty fees$3,70012%
- Education$1160%
- Travel and lodging$100%
Companies that paid Dr. Chatterjee 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. Ratul Chatterjee graduated from University of California, San Francisco School of Medicine
Dr. Chatterjee graduated from University of California, San Francisco School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ratul Chatterjee'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ratul Chatterjee
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. Ratul Chatterjee's NPI number?
Dr. Ratul Chatterjee's NPI number is 1770597387. It was assigned on July 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ratul Chatterjee?
Dr. Ratul Chatterjee is an internist in Huntington Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ratul Chatterjee practice?
Dr. Chatterjee practices at 19582 Beach Blvd, Huntington Beach, CA 92648-5923. Dr. Chatterjee's primary practice is Newport Huntington Medical Group in Huntington Beach, California. Dmand AI also links Dr. Chatterjee to 1 hospital, 4 skilled nursing facilities, 3 home health agencies and 2 hospices.
What is Dr. Ratul Chatterjee's office phone number?
The practice phone on file for Dr. Chatterjee is (714) 963-1030.
What is Dr. Ratul Chatterjee's medical license number?
Dr. Chatterjee holds California license A79661.
Which hospitals is Dr. Ratul Chatterjee affiliated with?
Dr. Chatterjee is affiliated with Hoag Hospital Newport Beach. Dmand AI links Dr. Chatterjee to 1 more hospital.
What medical group is Dr. Ratul Chatterjee part of?
Dr. Chatterjee is linked to Newport Huntington Medical Group.
Does Dr. Ratul Chatterjee accept Medicare?
Yes. CMS data shows Dr. Chatterjee billed Medicare for 5,454 services in 2024, and Dr. Chatterjee accepts Medicare assignment.
Does Dr. Ratul Chatterjee offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chatterjee as offering telehealth services.
What is Dr. Ratul Chatterjee's MIPS score?
Dr. Chatterjee's MIPS final score for performance year 2024 is 84 out of 100, reported individually.
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How many Medicare patients does Dr. Ratul Chatterjee see?
CMS counts 364 Medicare patients who saw Dr. Chatterjee in 2024, with an average age of 77.
What services does Dr. Ratul Chatterjee bill to Medicare?
In 2024, Dr. Chatterjee's most billed Medicare services were care management and other visits (99490), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. Ratul Chatterjee go to medical school?
Dr. Chatterjee graduated from University of California, San Francisco School of Medicine in 2000.
What drugs does Dr. Ratul Chatterjee prescribe most?
In 2024 Medicare Part D data, Dr. Chatterjee's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. Ratul Chatterjee received payments from drug or device companies?
CMS Open Payments shows $29,824 in general payments to Dr. Chatterjee from 48 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Ratul Chatterjee been practicing?
Dr. Chatterjee graduated from medical school in 2000, 26 years ago.
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