NPPES file of Aug 9, 2026

Ratul Chatterjee, M.D.

Internal Medicine Physician · Huntington Beach, CA

Ratul Chatterjee, M.D. is an internal medicine physician with a practice address in Huntington Beach, California, and NPI 1770597387, issued on Jul 28, 2006. Check the license (California A79661, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770597387
Name
Ratul Chatterjee
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A79661 CA
Self-reported in NPPES; status is on the state search
Practice location
19582 Beach Blvd, Huntington Beach, CA 92648
Phone
(714) 378-2403
Enumerated
Jul 28, 2006
Record last updated
Oct 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20041012000961); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2000
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 19582 Beach Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Scott Ahl, D.O.Endocrinology, Diabetes & Metabolism Physician1558674523
  2. Rita Archer, MDFamily Medicine Physician1598890121
  3. Reilly CaseClinical Social Worker1285818716
  4. Matthew Chandler, PA-CMedical Physician Assistant1215261771
  5. Pundari Chemitiganti, M.D.Gastroenterology Physician1033123971
  6. Kim Doan, M.D.Ophthalmology Physician1265402788

Verify Ratul Chatterjee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A79661
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.7 times the Medicare Part D claims of the average internal medicine physician in 2024

14,848 Medicare Part D claims for 695 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 419 claims were for opioids.

  1. Ratul Chatterjee14,848
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,227 claims
  2. Losartan Potassium656 claims
  3. Levothyroxine Sodium632 claims
  4. Amlodipine Besylate348 claims
  5. Pantoprazole Sodium323 claims
  6. Tamsulosin Hcl282 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 86.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%54.3
  3. Promoting interoperabilityout of 100 · 25%92.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $908.95

13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ratul Chatterjee$908.95
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Newport Huntington Medical GroupHuntington Beach, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ratul Chatterjee among 17,696 internal medicine physician records in California

Ratul Chatterjee, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2000 · median 2004 among the 11,065 with a school on file
  • Record last updated2011 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 internal medicine physician records list a practice address in Huntington Beach

They are 48 of the 4,031 NPPES records with a practice address in Huntington Beach, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Allen, M.D.Huntington Beach, CA 926481669893962
  2. Aditi Correa, M.D.Huntington Beach, CA 926481801206065
  3. Phuong Anh Doan, M.D.Huntington Beach, CA 926481629031968
  4. Dale Ellis, MDHuntington Beach, CA 926481841254141
  5. Patrick Farrell, M.D.Huntington Beach, CA 926481356604490
  6. Thomas Goodheart, M.D.Huntington Beach, CA 926481457461501
  7. Valerio Kalaw, MDHuntington Beach, CA 926481063988897
  8. Jennifer Keiner, MDHuntington Beach, CA 926481508863887

Common questions

What is Ratul Chatterjee, M.D.'s NPI number?

Ratul Chatterjee, M.D.'s National Provider Identifier (NPI) is 1770597387, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ratul Chatterjee, M.D. located?

The NPPES record lists a practice address at 19582 Beach Blvd, Huntington Beach, CA, 92648. Phone: (714) 378-2403. Providers update this record themselves, so call before visiting.

How can I verify Ratul Chatterjee, M.D.'s license?

NPPES lists California license number A79661, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ratul Chatterjee, M.D. prescribe under Medicare Part D?

In 2024, Ratul Chatterjee, M.D. had 14,848 Medicare Part D claims for 695 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Ratul Chatterjee, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.