Dr. Siddhartha Chatterjee, DO

  • Palm Springs, CA
  • Internist
NPI1922476977PAC ID9032480074
Medicare services, 2024
1,209
Medicare patients, 2024
329
Part D claims, 2024
276
Publications
3
MIPS score, 2024
86
Practice address
1150 North Indian Canyon Drive, Palm Springs, CA 92262
Practice phone
Call (760) 323-6511
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Desert Regional Medical Center

Hospital · Palm Springs, California

See all 7 affiliations

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Dr. Siddhartha Chatterjee is an internist in Palm Springs, California

Dr. Chatterjee practices at Desert Regional Medical Center in Palm Springs, California, part of Tenet Healthcare.

Dr. Chatterjee's NPI, 1922476977, was assigned on September 8, 2015. Dr. Chatterjee graduated from WesternU College of Osteopathic Medicine of the Pacific in 2014. Dr. Chatterjee holds California license 20A14820.

NPI and contact details
Medicare PAC ID
9032480074
NPI enumeration date
September 8, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 323-6511
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Siddhartha Chatterjee practices at Desert Regional Medical Center in Palm Springs, California

Dr. Chatterjee's primary practice is Desert Regional Medical Center, at 1150 North Indian Canyon Drive, Palm Springs, CA 92262 in Riverside County. The practice phone is (760) 323-6511.

Source: Dmand AI Affiliation Data

Dr. Siddhartha Chatterjee is affiliated with 6 sites of care and 1 medical group

Dr. Chatterjee's primary practice is Desert Regional Medical Center in Palm Springs, California, part of Tenet Healthcare. Dr. Chatterjee is also affiliated with Pioneers Memorial Hospital. The medical group on file is Greater Modesto Medical Surgical Associates. Dmand AI also links Dr. Chatterjee to 3 more hospitals and 1 home health agency, each named with a free account.

See all 7 affiliations for Dr. Chatterjee

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

Dmand AI tracks the EHR system at Dr. Siddhartha Chatterjee's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chatterjee practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Desert Regional Medical CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Siddhartha 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 board certified in internal medicine by the AOA Board of Internal Medicine. Dr. Chatterjee is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A14820 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute respiratory failure, acute stomach ulcer, atherosclerosis, bile duct problems, bone infection, cardiac arrhythmia, cellulitis and circulatory problems in extremities among the conditions Dr. Chatterjee treats.

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. Siddhartha Chatterjee billed Medicare for 1,209 services in 2024

CMS data shows 1,209 Medicare services from Dr. Chatterjee across 3 procedure codes in 2024, for 329 Medicare patients. Medicare paid $76,064 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,209
Medicare patients329
Paid by Medicare$76,064
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,1722024: 1,2093%

Dr. Chatterjee compared with the California median for internists, 2024

  • Dr. Chatterjee
  • California median
Medicare services
1,209vs 3613.3 times
Medicare patients
329vs 1512.2 times
Part D claims
70vs 42183% below

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.

See all procedures by Dr. Chatterjee

Need commercial claims for Dr. Chatterjee?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chatterjee and other internists in California.

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

Dr. Siddhartha Chatterjee treated 329 Medicare patients in 2024, average age 75

CMS counts 329 Medicare patients who saw Dr. Chatterjee in 2024. The largest group is 65 to 74, with 111 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.45, 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 74, with 46% women.

Medicare patients, 2024329
Average age75
Average risk score2.45
Also on Medicaid49%

Dr. Chatterjee's Medicare patients by age, 2024

Dr. Chatterjee's Medicare patients by sex, 2024

  • Women14845%
  • Men18155%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Diabetes48%
  5. Heart failure46%
  6. Ischemic heart disease45%
  7. Mood disorders45%
  8. Anxiety44%

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 74

Patient panel by sex, all payers

  • Women46%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Siddhartha Chatterjee wrote 276 Medicare Part D claims in 2024

In 2024, Dr. Chatterjee wrote 276 Medicare Part D claims for 121 patients. 86% of them were for generic drugs. CMS names the drug for 70 of them, across 5 drugs with 11 or more claims each, at $7,994 in total drug cost. In 2023, CMS named 37 claims across 3 drugs.

Part D claims, 2024276
Drugs named by CMS5
Total drug cost$7,994
Part D patients121

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

  • Generic237 claims86%
  • Brand-name39 claims14%

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

  • Opioids6%17 of 276 claims
  • Antibiotics18%49 of 276 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: 372024: 7089%

Drugs named by CMS: 5 in 2024, 3 in 2023.

See all prescribing by Dr. Chatterjee

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. Siddhartha Chatterjee scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Chatterjee for performance year 2024, reported as part of a group. Dr. Chatterjee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Chatterjee's MIPS scores, performance year 2024

  • 86of 100Final score
  • 64.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 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. Siddhartha Chatterjee has 3 publications on record

Dmand AI links 3 papers to Dr. Chatterjee. The most frequent topics are Estrogen Antagonists, Pregnancy Rate and Reproductive Techniques, Assisted. Dr. Chatterjee has published most often in J Indian Med Assoc.

Papers3

Topics Dr. Chatterjee writes about most

  • Estrogen Antagonists
  • Pregnancy Rate
  • Reproductive Techniques, Assisted

Recent publications by Dr. Chatterjee

See all 3 publications and co-authors

See who Dr. Chatterjee researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chatterjee works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Siddhartha Chatterjee received $272 in industry payments from 2017 to 2019

CMS Open Payments shows 15 general payments to Dr. Chatterjee from 7 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $79.

General payments to Dr. Chatterjee by program year, 2017 to 2019

Companies that paid Dr. Chatterjee the most, 2017 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Chatterjee

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

Dr. Siddhartha Chatterjee graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Chatterjee graduated from WesternU College of Osteopathic Medicine of the Pacific in 2014.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in internal medicineAOA Board of Internal Medicine
  3. Board certified in 2016 - 2026CA State License

Source: Dmand AI Professional Profile Data

Dr. Siddhartha Chatterjee accepts plans from 2 insurance carriers

Dr. Chatterjee is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • CMS Medicare
  • Molina

Source: Dmand AI Insurance Network Data

Sources for Dr. Siddhartha Chatterjee'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Siddhartha 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. Siddhartha Chatterjee's NPI number?

Dr. Siddhartha Chatterjee's NPI number is 1922476977. It was assigned on September 8, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Siddhartha Chatterjee?

Dr. Siddhartha Chatterjee is an internist in Palm Springs, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Siddhartha Chatterjee practice?

Dr. Chatterjee practices at 1150 North Indian Canyon Drive, Palm Springs, CA 92262. Dr. Chatterjee's primary practice is Desert Regional Medical Center in Palm Springs, California, part of Tenet Healthcare. Dmand AI also links Dr. Chatterjee to 3 hospitals and 1 home health agency.

What is Dr. Siddhartha Chatterjee's office phone number?

The practice phone on file for Dr. Chatterjee is (760) 323-6511.

What is Dr. Siddhartha Chatterjee's medical license number?

Dr. Chatterjee holds California license 20A14820.

Which hospitals is Dr. Siddhartha Chatterjee affiliated with?

Dr. Chatterjee practices at Desert Regional Medical Center in Palm Springs, California. Dr. Chatterjee is also affiliated with Pioneers Memorial Hospital. Dmand AI links Dr. Chatterjee to 3 more hospitals.

What medical group is Dr. Siddhartha Chatterjee part of?

Dr. Chatterjee is linked to Greater Modesto Medical Surgical Associates.

Does Dr. Siddhartha Chatterjee accept Medicare?

Yes. CMS data shows Dr. Chatterjee billed Medicare for 1,209 services in 2024, and Dr. Chatterjee accepts Medicare assignment.

What is Dr. Siddhartha Chatterjee's MIPS score?

Dr. Chatterjee's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does Dr. Siddhartha Chatterjee see?

CMS counts 329 Medicare patients who saw Dr. Chatterjee in 2024, with an average age of 75.

Show 8 more questionsShow fewer questions

Is Dr. Siddhartha Chatterjee board certified?

Yes. Dr. Chatterjee is board certified in internal medicine by the AOA Board of Internal Medicine.

What services does Dr. Siddhartha Chatterjee bill to Medicare?

In 2024, Dr. Chatterjee's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99222).

Where did Dr. Siddhartha Chatterjee go to medical school?

Dr. Chatterjee graduated from WesternU College of Osteopathic Medicine of the Pacific in 2014.

What drugs does Dr. Siddhartha Chatterjee prescribe most?

In 2024 Medicare Part D data, Dr. Chatterjee's most prescribed drugs by claims were Pantoprazole Sodium, Eliquis and Amoxicillin-Clavulanate Potass.

Has Dr. Siddhartha Chatterjee received payments from drug or device companies?

CMS Open Payments shows $272 in general payments to Dr. Chatterjee from 7 companies from 2017 to 2019. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).

How long has Dr. Siddhartha Chatterjee been practicing?

Dr. Chatterjee graduated from medical school in 2014, 12 years ago.

Does Dr. Siddhartha Chatterjee do research?

Dmand AI links 3 publications to Dr. Chatterjee.

What insurance does Dr. Siddhartha Chatterjee accept?

Dr. Chatterjee is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

Selling to internal medicine practices?

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