Dr. Robert E. Day, MD
- Medicare services, 2024
- 56
- Medicare patients, 2024
- 204
- Hospital affiliations
- 2
- Industry payments
- $239
- Medical group
- 1
- Practice address
- 1 Medical Center Blvd, Chester, PA 19013
- Practice phone
- Call (610) 338-8228
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Crozer Chester Medical Center (CLOSED)
Chester, Pennsylvania
Find Dr. Day's professional email, personal email and mobile number
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Dr. Robert E. Day is an anesthesiologist in Chester, Pennsylvania
Dr. Day practices at Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania.
Dr. Day's NPI, 1508951898, was assigned on October 4, 2006. Dr. Day graduated from Medical College of Pennsylvania in 1980. Dr. Day holds Pennsylvania license MD030910E.
- NPI
- 1508951898NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799699245
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 338-8228
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert E. Day practices at Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania
Dr. Day's primary practice is Crozer Chester Medical Center (CLOSED), at 1 Medical Center Blvd, Chester, PA 19013 in Delaware County. The practice phone is (610) 338-8228.
- Crozer Chester Medical Center (CLOSED)1 Medical Center Blvd, Chester, PA 19013 · Delaware CountyPhone(610) 338-8228
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert E. Day is affiliated with 3 sites of care and 1 medical group
Dr. Day's primary practice is Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania. Dr. Day is also affiliated with Lankenau Medical Center. The medical group on file is United Anesthesia Services, P.C. Dmand AI also links Dr. Day to 1 more hospital, 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. Robert E. Day's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Day practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crozer Chester Medical Center (CLOSED) | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert E. Day is one of 1,816 anesthesiologists in Pennsylvania
Anesthesiology is Dr. Day's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Day is licensed in Pennsylvania.
Specialties and state licenses
- Anesthesiology, PennsylvaniaPrimary
Anesthesiologists near Dr. Day
Counts of anesthesiologists 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. Robert E. Day billed Medicare for 56 services in 2024
CMS data shows 56 Medicare services from Dr. Day across 3 procedure codes in 2024, for 204 Medicare patients. Medicare paid $4,143 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Day's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 742024: 3750%
- Surgery
- 2023: 02024: 19
Dr. Day compared with the Pennsylvania median for anesthesiologists, 2024
- Dr. Day
- Pennsylvania median
- Medicare services
- 56vs 11551% below
- Medicare patients
- 204vs 195Close to median
Medians across 1,825 anesthesiologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Day'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.
Need commercial claims for Dr. Day?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Day and other anesthesiologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert E. Day treated 204 Medicare patients in 2024, average age 76
CMS counts 204 Medicare patients who saw Dr. Day in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Day's median patient age at 54, with 64% women.
Dr. Day's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Day's Medicare patients by sex, 2024
- Women12863%
- Men7637%
Chronic conditions among Dr. Day's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis61%
- Ischemic heart disease41%
- Atrial fibrillation32%
- Mood disorders31%
- Anxiety30%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Day's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert E. Day takes part in Medicare
Dr. Day 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. Robert E. Day received $239 in industry payments from 2016 to 2022
CMS Open Payments shows 8 general payments to Dr. Day from 4 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $146.
General payments to Dr. Day by program year, 2016 to 2022
Companies that paid Dr. Day the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert E. Day graduated from Medical College of Pennsylvania
Dr. Day graduated from Medical College of Pennsylvania in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert E. Day'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. Robert E. Day
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. Robert E. Day's NPI number?
Dr. Robert E. Day's NPI number is 1508951898. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert E. Day?
Dr. Robert E. Day is an anesthesiologist in Chester, Pennsylvania. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Robert E. Day practice?
Dr. Day practices at 1 Medical Center Blvd, Chester, PA 19013. Dr. Day's primary practice is Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania. Dmand AI also links Dr. Day to 1 hospital.
What is Dr. Robert E. Day's office phone number?
The practice phone on file for Dr. Day is (610) 338-8228.
What is Dr. Robert E. Day's medical license number?
Dr. Day holds Pennsylvania license MD030910E.
Which hospitals is Dr. Robert E. Day affiliated with?
Dr. Day is affiliated with Lankenau Medical Center. Dmand AI links Dr. Day to 1 more hospital.
What medical group is Dr. Robert E. Day part of?
Dr. Day is linked to United Anesthesia Services, P.C.
Does Dr. Robert E. Day accept Medicare?
Yes. CMS data shows Dr. Day billed Medicare for 56 services in 2024, and Dr. Day accepts Medicare assignment.
How many Medicare patients does Dr. Robert E. Day see?
CMS counts 204 Medicare patients who saw Dr. Day in 2024, with an average age of 76.
What services does Dr. Robert E. Day bill to Medicare?
In 2024, Dr. Day's most billed Medicare services were anesthesia (00410), surgery: brain, spine and nerves (64415) and anesthesia (01830).
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Where did Dr. Robert E. Day go to medical school?
Dr. Day graduated from Medical College of Pennsylvania in 1980.
Has Dr. Robert E. Day received payments from drug or device companies?
CMS Open Payments shows $239 in general payments to Dr. Day from 4 companies from 2016 to 2022. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Robert E. Day been practicing?
Dr. Day graduated from medical school in 1980, 46 years ago.
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