Dr. Kshitij Chatterjee, MD

  • San Bernardino, CA
  • Internist
NPI1760898142PAC ID9638496847
Medicare services, 2024
364
Medicare patients, 2024
178
Part D claims, 2020
24
Hospital affiliations
3
Industry payments
$369
Practice address
2101 N Waterman Ave, San Bernardino, CA 92404
Practice phone
Call (909) 883-8711
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Dignity Health - St. Bernardine Medical Center

Hospital · San Bernardino, California

See all 4 affiliations

Find Dr. Chatterjee'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.

View contacts for free

Dr. Kshitij Chatterjee is an internist in San Bernardino, California

Dr. Chatterjee practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health.

Dr. Chatterjee's NPI, 1760898142, was assigned on July 7, 2014. Dr. Chatterjee holds Arkansas license E-10518.

NPI and contact details
Medicare PAC ID
9638496847
NPI enumeration date
July 7, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 883-8711
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Kshitij Chatterjee practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California

Dr. Chatterjee's primary practice is Dignity Health - St. Bernardine Medical Center, at 2101 N Waterman Ave, San Bernardino, CA 92404 in San Bernardino County. The practice phone is (909) 883-8711.

Source: Dmand AI Affiliation Data

Dr. Kshitij Chatterjee is affiliated with 3 sites of care and 1 medical group

Dr. Chatterjee's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dr. Chatterjee is also affiliated with Dignity Health - Community Hospital of San Bernardino. The medical group on file is Inpatient Specialist of California PC. Dmand AI also links Dr. Chatterjee to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Chatterjee

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chatterjee practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dignity Health - St. Bernardine Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Chatterjee practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Kshitij 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 Arkansas.

Specialties and state licenses

  • Internal medicine, ArkansasPrimaryLicense E-10518 · taxonomy 207R00000X

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. Kshitij Chatterjee billed Medicare for 364 services in 2024

CMS data shows 364 Medicare services from Dr. Chatterjee across 3 procedure codes in 2024, for 178 Medicare patients. Medicare paid $55,346 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024364
Medicare patients178
Paid by Medicare$55,346
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 2692024: 35030%
Tests and treatments
2023: 02024: 14
Surgery
2023: 172024: 0100%

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

  • Dr. Chatterjee
  • California median
Medicare services
364vs 361Close to median
Medicare patients
178vs 15118% above
Part D claims
24vs 42194% 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.

Book a meeting

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

Dr. Kshitij Chatterjee treated 178 Medicare patients in 2024, average age 71

CMS counts 178 Medicare patients who saw Dr. Chatterjee in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 73% are also on Medicaid. Their average risk score is 3.62, 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 66, with 45% women.

Medicare patients, 2024178
Average age71
Average risk score3.62
Also on Medicaid73%

Dr. Chatterjee's Medicare patients by age, 2024

Dr. Chatterjee's Medicare patients by sex, 2024

  • Women7442%
  • Men10458%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes69%
  4. Heart failure68%
  5. Chronic kidney disease56%
  6. Ischemic heart disease51%
  7. Arthritis47%
  8. Mood disorders42%

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 66

Patient panel by sex, all payers

  • Women45%
  • Men55%

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

Dr. Kshitij Chatterjee wrote 24 Medicare Part D claims in 2020

In 2020, Dr. Chatterjee wrote 24 Medicare Part D claims. They cover 2 drugs, with $6,337 in total drug cost. In 2019, CMS named 67 claims across 5 drugs.

Part D claims, 202024
Drugs named by CMS2
Total drug cost$6,337

Dr. Chatterjee's most prescribed drugs by claims, 2020

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, 2019 to 2020

  • 2019
  • 2020
Claims for drugs CMS names
2019: 672020: 2464%

Drugs named by CMS: 2 in 2020, 5 in 2019.

See all prescribing by Dr. Chatterjee

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Kshitij Chatterjee takes part in Medicare

Dr. Chatterjee 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)

For MedTech and pharma teams

Find internists like Dr. Chatterjee by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Kshitij Chatterjee received $369 in industry payments from 2019 to 2025

CMS Open Payments shows 7 general payments to Dr. Chatterjee from 6 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $138.

General payments to Dr. Chatterjee by program year, 2019 to 2025

Companies that paid Dr. Chatterjee the most, 2019 to 2025

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

Sources for Dr. Kshitij 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Kshitij 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. Kshitij Chatterjee's NPI number?

Dr. Kshitij Chatterjee's NPI number is 1760898142. It was assigned on July 7, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Kshitij Chatterjee?

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

Where does Dr. Kshitij Chatterjee practice?

Dr. Chatterjee practices at 2101 N Waterman Ave, San Bernardino, CA 92404. Dr. Chatterjee's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dmand AI also links Dr. Chatterjee to 1 hospital.

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

The practice phone on file for Dr. Chatterjee is (909) 883-8711.

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

Dr. Chatterjee holds Arkansas license E-10518.

Which hospitals is Dr. Kshitij Chatterjee affiliated with?

Dr. Chatterjee practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California. Dr. Chatterjee is also affiliated with Dignity Health - Community Hospital of San Bernardino. Dmand AI links Dr. Chatterjee to 1 more hospital.

What medical group is Dr. Kshitij Chatterjee part of?

Dr. Chatterjee is linked to Inpatient Specialist of California PC.

Does Dr. Kshitij Chatterjee accept Medicare?

Yes. CMS data shows Dr. Chatterjee billed Medicare for 364 services in 2024, and Dr. Chatterjee accepts Medicare assignment.

How many Medicare patients does Dr. Kshitij Chatterjee see?

CMS counts 178 Medicare patients who saw Dr. Chatterjee in 2024, with an average age of 71.

What services does Dr. Kshitij Chatterjee bill to Medicare?

In 2024, Dr. Chatterjee's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and heart test or procedure (93308).

Show 3 more questionsShow fewer questions

What drugs does Dr. Kshitij Chatterjee prescribe most?

In 2020 Medicare Part D data, Dr. Chatterjee's most prescribed drugs by claims were Sildenafil Citrate and Breo Ellipta.

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

CMS Open Payments shows $369 in general payments to Dr. Chatterjee from 6 companies from 2019 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.

How long has Dr. Kshitij Chatterjee been practicing?

Dr. Chatterjee graduated from medical school in 2012, 14 years ago.

Selling to internal medicine practices?

See internists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)