Dr. Martin P. Chatelain, MD
- Medicare services, 2019
- 53
- Part D claims, 2019
- 293
- Hospital affiliations
- 1
- Industry payments
- $2,519
- Medical groups
- 2
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. Chatelain's professional email, personal email and mobile number
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Dr. Martin P. Chatelain is an internist in Campbell, California
Dr. Chatelain practices at Signify Health in Campbell, California.
Dr. Chatelain's NPI, 1538116611, was assigned on May 27, 2006. Dr. Chatelain graduated from Rutgers New Jersey Medical School in 1992. Dr. Chatelain holds New Jersey license 25MA06249800.
- NPI
- 1538116611NPI Registry (opens in a new tab)
- NPI enumeration date
- May 27, 2006
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Martin P. Chatelain practices at Signify Health in Campbell, California
Dr. Chatelain's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Martin P. Chatelain is affiliated with 3 sites of care and 2 medical groups
Dr. Chatelain's primary practice is Signify Health in Campbell, California. Dr. Chatelain is also affiliated with Hackensack University Medical Center. The medical group on file is Signify Health. Dmand AI also links Dr. Chatelain to 1 more group practice or clinic and 1 medical group, 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. Martin P. Chatelain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chatelain practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Martin P. Chatelain is one of 16,751 internists in California
Internal medicine is Dr. Chatelain's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chatelain is licensed in New Jersey.
Specialties and state licenses
- Internal medicine, New JerseyPrimary
Internists near Dr. Chatelain
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. Martin P. Chatelain billed Medicare for 53 services in 2019
CMS data shows 53 Medicare services from Dr. Chatelain across 3 procedure codes in 2019. Medicare paid $1,164 for them. Every service was in an office.
Dr. Chatelain's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 2492019: 3188%
- Surgery
- 2018: 1472019: 2285%
- Lab and pathology
- 2018: 292019: 0100%
- Tests and treatments
- 2018: 422019: 0100%
- Other services
- 2018: 412019: 0100%
Dr. Chatelain compared with the California median for internists, 2019
- Dr. Chatelain
- California median
- Medicare services
- 53vs 36185% below
- Part D claims
- 293vs 42130% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chatelain's most billed Medicare procedure codes, 2019
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chatelain and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Martin P. Chatelain's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Chatelain's median patient age at 75, with 44% women.
Dr. Chatelain'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
- Women44%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Martin P. Chatelain wrote 293 Medicare Part D claims in 2019
In 2019, Dr. Chatelain wrote 293 Medicare Part D claims. They cover 14 drugs, with $3,313 in total drug cost. In 2018, CMS named 2,029 claims across 66 drugs.
Dr. Chatelain's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2,0292019: 29386%
Drugs named by CMS: 14 in 2019, 66 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Martin P. Chatelain received $2,519 in industry payments from 2016 to 2019
CMS Open Payments shows 72 general payments to Dr. Chatelain from 22 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $585.
General payments to Dr. Chatelain by program year, 2016 to 2019
Companies that paid Dr. Chatelain the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Martin P. Chatelain graduated from Rutgers New Jersey Medical School
Dr. Chatelain graduated from Rutgers New Jersey Medical School in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Martin P. Chatelain'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Martin P. Chatelain
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. Martin P. Chatelain's NPI number?
Dr. Martin P. Chatelain's NPI number is 1538116611. It was assigned on May 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Martin P. Chatelain?
Dr. Martin P. Chatelain is an internist in Campbell, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Martin P. Chatelain practice?
Dr. Chatelain practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. Chatelain's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. Chatelain to 1 group practice or clinic and 1 medical group.
What is Dr. Martin P. Chatelain's office phone number?
The practice phone on file for Dr. Chatelain is (469) 466-7007.
What is Dr. Martin P. Chatelain's medical license number?
Dr. Chatelain holds New Jersey license 25MA06249800.
Which hospitals is Dr. Martin P. Chatelain affiliated with?
Dr. Chatelain is affiliated with Hackensack University Medical Center.
What medical group is Dr. Martin P. Chatelain part of?
Dr. Chatelain is linked to Signify Health. Dmand AI links Dr. Chatelain to 1 more medical group.
Does Dr. Martin P. Chatelain accept Medicare?
Yes. CMS data shows Dr. Chatelain billed Medicare for 53 services in 2019.
What services does Dr. Martin P. Chatelain bill to Medicare?
In 2019, Dr. Chatelain's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99211) and office visit, established patient (99214).
Where did Dr. Martin P. Chatelain go to medical school?
Dr. Chatelain graduated from Rutgers New Jersey Medical School in 1992.
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What drugs does Dr. Martin P. Chatelain prescribe most?
In 2019 Medicare Part D data, Dr. Chatelain's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Martin P. Chatelain received payments from drug or device companies?
CMS Open Payments shows $2,519 in general payments to Dr. Chatelain from 22 companies from 2016 to 2019. The largest total came from Allergan Inc.
How long has Dr. Martin P. Chatelain been practicing?
Dr. Chatelain graduated from medical school in 1992, 34 years ago.
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