Dr. Christopher E. Baker, MD
- Medicare services, 2024
- 881
- Medicare patients, 2024
- 659
- Hospital affiliations
- 2
- Industry payments
- $111
- Medical groups
- 3
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Baker's professional email, personal email and mobile number
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Dr. Christopher E. Baker is a diagnostic radiologist in Mendon, Massachusetts
Dr. Baker practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Baker's NPI, 1194783035, was assigned on May 2, 2006. Dr. Baker graduated from Albany Medical College of Union University in 1984. Dr. Baker holds Massachusetts license 71189.
- NPI
- 1194783035NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325097546
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher E. Baker practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Baker's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher E. Baker is affiliated with 3 sites of care and 3 medical groups
Dr. Baker's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Baker is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Baker to 1 more hospital and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher E. Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher E. Baker is one of 1,246 diagnostic radiologists in Massachusetts
Diagnostic radiology is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Baker is licensed in Massachusetts.
Specialties and state licenses
- Diagnostic radiology, MassachusettsPrimary
Diagnostic radiologists near Dr. Baker
Counts of diagnostic radiologists 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. Christopher E. Baker billed Medicare for 881 services in 2024
CMS data shows 881 Medicare services from Dr. Baker across 13 procedure codes in 2024, for 659 Medicare patients. Medicare paid $21,595 for them.
Dr. Baker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8582024: 75612%
- Other services
- 2023: 652024: 12592%
Where Dr. Baker's Medicare services took place, 2024
- In an office45151%
- In a facility43049%
Dr. Baker compared with the Massachusetts median for diagnostic radiologists, 2024
- Dr. Baker
- Massachusetts median
- Medicare services
- 881vs 2,24261% below
- Medicare patients
- 659vs 1,57158% below
Medians across 1,108 diagnostic radiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Baker'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baker and other diagnostic radiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher E. Baker treated 659 Medicare patients in 2024, average age 71
CMS counts 659 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 296 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 34% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 57, with 56% women.
Dr. Baker's Medicare patients by age, 2024
Dr. Baker's Medicare patients by sex, 2024
- Women43366%
- Men22634%
Chronic conditions among Dr. Baker's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis46%
- Anxiety34%
- Mood disorders34%
- Diabetes33%
- Depression29%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Christopher E. Baker takes part in Medicare
Dr. Baker 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)
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Dr. Christopher E. Baker received $111 in industry payments from 2016 to 2025
CMS Open Payments shows 7 general payments to Dr. Baker from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Cook Medical LLC paid the most, $72.
General payments to Dr. Baker by program year, 2016 to 2025
Companies that paid Dr. Baker 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. Christopher E. Baker graduated from Albany Medical College of Union University
Dr. Baker graduated from Albany Medical College of Union University in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher E. Baker'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 DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Christopher E. Baker
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What is Dr. Christopher E. Baker's NPI number?
Dr. Christopher E. Baker's NPI number is 1194783035. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher E. Baker?
Dr. Christopher E. Baker is a diagnostic radiologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Christopher E. Baker practice?
Dr. Baker practices at 55 North Ave, Mendon, MA 01756. Dr. Baker's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Baker to 1 hospital and 2 medical groups.
What is Dr. Christopher E. Baker's office phone number?
The practice phone on file for Dr. Baker is (508) 334-1000.
What is Dr. Christopher E. Baker's medical license number?
Dr. Baker holds Massachusetts license 71189.
Which hospitals is Dr. Christopher E. Baker affiliated with?
Dr. Baker is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Baker to 1 more hospital.
What medical group is Dr. Christopher E. Baker part of?
Dr. Baker is linked to UMass Memorial Medical Group. Dmand AI links Dr. Baker to 2 more medical groups.
Does Dr. Christopher E. Baker accept Medicare?
Yes. CMS data shows Dr. Baker billed Medicare for 881 services in 2024, and Dr. Baker accepts Medicare assignment.
How many Medicare patients does Dr. Christopher E. Baker see?
CMS counts 659 Medicare patients who saw Dr. Baker in 2024, with an average age of 71.
What services does Dr. Christopher E. Baker bill to Medicare?
In 2024, Dr. Baker's most billed Medicare services were ultrasound (76770), medicare service (G0279) and ultrasound (76705).
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Where did Dr. Christopher E. Baker go to medical school?
Dr. Baker graduated from Albany Medical College of Union University in 1984.
Has Dr. Christopher E. Baker received payments from drug or device companies?
CMS Open Payments shows $111 in general payments to Dr. Baker from 3 companies from 2016 to 2025. The largest total came from Cook Medical LLC.
How long has Dr. Christopher E. Baker been practicing?
Dr. Baker graduated from medical school in 1984, 42 years ago.
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