Robert Cory Proffer, PA
- Medicare patients, 2024
- 121
- Part D claims, 2024
- 390
- Hospital affiliations
- 2
- Industry payments
- $108
- Medical group
- 1
- Practice address
- 901 Patients First Drive, Washington, MO 63090
- Practice phone
- Call (636) 390-1715
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Patients First Surgery Center
Washington, Missouri
Find Robert Proffer'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.
Robert Cory Proffer is a physician assistant in Washington, Missouri
Robert Proffer practices at Patients First Surgery Center in Washington, Missouri.
Robert Proffer's NPI, 1376174417, was assigned on January 28, 2020.
- NPI
- 1376174417NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345678660
- NPI enumeration date
- January 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 390-1715
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Cory Proffer practices at Patients First Surgery Center in Washington, Missouri
Robert Proffer's primary practice is Patients First Surgery Center, at 901 Patients First Drive, Washington, MO 63090 in Franklin County. The practice phone is (636) 390-1715.
- Patients First Surgery Center901 Patients First Drive, Washington, MO 63090 · Franklin CountyPhone(636) 390-1715
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert Cory Proffer is affiliated with 4 sites of care and 1 medical group
Robert Proffer's primary practice is Patients First Surgery Center in Washington, Missouri. Robert Proffer is also affiliated with Mercy Hospital St. Louis. The medical group on file is Mercy Clinic Ear, Nose and Throat - Patients First Drive. Dmand AI also links Robert Proffer to 1 more hospital and 1 group practice or clinic, 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 Robert Cory Proffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Proffer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Patients First Surgery Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Cory Proffer is one of 262 physician assistants in Missouri
Medical is Robert Proffer's primary specialty in the NPI Registry, under taxonomy code 363AM0700X.
Specialties and state licenses
- Medical physician assistantPrimary
Physician assistants near Robert Proffer
Counts of physician assistants 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
Robert Cory Proffer treated 121 Medicare patients in 2024, average age 75
CMS counts 121 Medicare patients who saw Robert Proffer in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Robert Proffer's median patient age at 66, with 62% women.
Robert Proffer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Robert Proffer's Medicare patients by sex, 2024
- Women6453%
- Men5747%
Chronic conditions among Robert Proffer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease36%
- Ischemic heart disease31%
- Anxiety29%
- Diabetes28%
- Osteoporosis27%
Share of Medicare patients with each condition. A patient can have several.
Robert Proffer'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
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Robert Cory Proffer wrote 390 Medicare Part D claims in 2024
In 2024, Robert Proffer wrote 390 Medicare Part D claims for 163 patients. 86% of them were for generic drugs.
Robert Proffer's Part D claims by kind of drug, 2024
- Generic337 claims86%
- Brand-name53 claims14%
Drug classes CMS tracks in Robert Proffer's Part D claims, 2024
- Opioids13%50 of 390 claims
- Antibiotics17%67 of 390 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Robert Cory Proffer takes part in Medicare
Robert Proffer 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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Robert Cory Proffer received $108 in industry payments in 2025
CMS Open Payments shows 5 general payments to Robert Proffer from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $51.
Companies that paid Robert Proffer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Robert Cory Proffer'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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| 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 Robert Cory Proffer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert Cory Proffer's NPI number?
Robert Cory Proffer's NPI number is 1376174417. It was assigned on January 28, 2020, and it is active in the NPI Registry.
What does Robert Cory Proffer specialize in?
Robert Cory Proffer is a physician assistant in Washington, Missouri. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Robert Cory Proffer practice?
Robert Proffer practices at 901 Patients First Drive, Washington, MO 63090. Robert Proffer's primary practice is Patients First Surgery Center in Washington, Missouri. Dmand AI also links Robert Proffer to 1 hospital and 1 group practice or clinic.
What is Robert Cory Proffer's office phone number?
The practice phone on file for Robert Proffer is (636) 390-1715.
Which hospitals is Robert Cory Proffer affiliated with?
Robert Proffer is affiliated with Mercy Hospital St. Louis. Dmand AI links Robert Proffer to 1 more hospital.
What medical group is Robert Cory Proffer part of?
Robert Proffer is linked to Mercy Clinic Ear, Nose and Throat - Patients First Drive.
Does Robert Cory Proffer accept Medicare?
Yes. CMS lists Robert Proffer as accepting Medicare assignment.
How many Medicare patients does Robert Cory Proffer see?
CMS counts 121 Medicare patients who saw Robert Proffer in 2024, with an average age of 75.
Has Robert Cory Proffer received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Robert Proffer from 3 companies from 2025 to 2025. The largest total came from Regeneron Pharmaceuticals, Inc.
How long has Robert Cory Proffer been practicing?
Robert Proffer graduated from medical school in 2019, 7 years ago.
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