Dr. Raymond Phillip Weiss, MD
- Medicare services, 2024
- 689
- Medicare patients, 2024
- 173
- Part D claims, 2024
- 5,846
- Hospital affiliations
- 3
- Industry payments
- $121,315
- Practice address
- 9830 S Ridgeland Ave, Chicago Ridge, IL 60415
- Practice phone
- Call (708) 422-6800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Merrionette Park Physicians Group SC
Chicago Ridge, Illinois
Find Dr. Weiss' 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.
Dr. Raymond Phillip Weiss is an internist in Chicago Ridge, Illinois
Dr. Weiss practices at Merrionette Park Physicians Group SC in Chicago Ridge, Illinois.
Dr. Weiss' NPI, 1528005634, was assigned on May 31, 2006. Dr. Weiss graduated from Chicago Homeopathic Medical College in 1984. Dr. Weiss holds Illinois license 036070965.
- NPI
- 1528005634NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597933945
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 422-6800
- 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. Raymond Phillip Weiss practices at Merrionette Park Physicians Group SC in Chicago Ridge, Illinois
Dr. Weiss' primary practice is Merrionette Park Physicians Group SC, at 9830 S Ridgeland Ave, Chicago Ridge, IL 60415 in Cook County. The practice phone is (708) 422-6800.
- Merrionette Park Physicians Group SC9830 S Ridgeland Ave, Chicago Ridge, IL 60415 · Cook CountyPhone(708) 422-6800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Raymond Phillip Weiss is affiliated with 6 sites of care and 1 medical group
Dr. Weiss' primary practice is Merrionette Park Physicians Group SC in Chicago Ridge, Illinois. Dr. Weiss is also affiliated with Advocate Christ Medical Center. The medical group on file is Merrionette Park Physicians Group. Dmand AI also links Dr. Weiss to 2 more hospitals, 1 group practice or clinic and 1 home health agency, 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. Raymond Phillip Weiss' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weiss practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Merrionette Park Physicians Group SC | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Raymond Phillip Weiss is one of 5,652 internists in Illinois
Internal medicine is Dr. Weiss' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Weiss is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Weiss
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. Raymond Phillip Weiss billed Medicare for 689 services in 2024
CMS data shows 689 Medicare services from Dr. Weiss across 3 procedure codes in 2024, for 173 Medicare patients. Medicare paid $55,270 for them. Every service was in an office.
Dr. Weiss' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6352024: 56611%
- Other services
- 2023: 1482024: 12317%
Dr. Weiss compared with the Illinois median for internists, 2024
- Dr. Weiss
- Illinois median
- Medicare services
- 689vs 56622% above
- Medicare patients
- 173vs 20817% below
- Part D claims
- 5,368vs 28418.9 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Weiss' 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. Weiss?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weiss and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond Phillip Weiss treated 173 Medicare patients in 2024, average age 74
CMS counts 173 Medicare patients who saw Dr. Weiss in 2024. The largest group is 65 to 74, with 87 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Weiss' median patient age at 73, with 49% women.
Dr. Weiss' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Weiss' Medicare patients by sex, 2024
- Women8549%
- Men8851%
Chronic conditions among Dr. Weiss' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease40%
- Arthritis39%
- Diabetes37%
- Chronic kidney disease26%
- Heart failure22%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weiss' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raymond Phillip Weiss wrote 5,846 Medicare Part D claims in 2024
In 2024, Dr. Weiss wrote 5,846 Medicare Part D claims for 314 patients. 82% of them were for generic drugs. CMS names the drug for 5,368 of them, across 102 drugs with 11 or more claims each, at $667,782 in total drug cost. In 2023, CMS named 5,630 claims across 106 drugs.
Dr. Weiss' Part D claims by kind of drug, 2024
- Generic4,780 claims82%
- Brand-name989 claims17%
- Other77 claims1%
Dr. Weiss' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Weiss' Part D claims, 2024
- Opioids1%33 of 5,846 claims
- Antibiotics2%88 of 5,846 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,6302024: 5,3685%
Drugs named by CMS: 102 in 2024, 106 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Raymond Phillip Weiss takes part in Medicare
Dr. Weiss 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Raymond Phillip Weiss received $121,315 in industry payments from 2016 to 2025
CMS Open Payments shows 2,124 general payments to Dr. Weiss from 55 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Janssen Pharmaceuticals, Inc paid the most, $78,286.
General payments to Dr. Weiss by program year, 2016 to 2025
General payments to Dr. Weiss by kind, 2016 to 2025
- Speaker and faculty fees$69,20557%
- Food and beverage$44,92437%
- Consulting fees$4,5354%
- Travel and lodging$2,4482%
- Education$2020%
Companies that paid Dr. Weiss 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. Raymond Phillip Weiss graduated from Chicago Homeopathic Medical College
Dr. Weiss graduated from Chicago Homeopathic Medical College in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Raymond Phillip Weiss'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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) |
| 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. Raymond Phillip Weiss
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. Raymond Phillip Weiss' NPI number?
Dr. Raymond Phillip Weiss' NPI number is 1528005634. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond Phillip Weiss?
Dr. Raymond Phillip Weiss is an internist in Chicago Ridge, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Raymond Phillip Weiss practice?
Dr. Weiss practices at 9830 S Ridgeland Ave, Chicago Ridge, IL 60415. Dr. Weiss' primary practice is Merrionette Park Physicians Group SC in Chicago Ridge, Illinois. Dmand AI also links Dr. Weiss to 2 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Raymond Phillip Weiss' office phone number?
The practice phone on file for Dr. Weiss is (708) 422-6800.
What is Dr. Raymond Phillip Weiss' medical license number?
Dr. Weiss holds Illinois license 036070965.
Which hospitals is Dr. Raymond Phillip Weiss affiliated with?
Dr. Weiss is affiliated with Advocate Christ Medical Center. Dmand AI links Dr. Weiss to 2 more hospitals.
What medical group is Dr. Raymond Phillip Weiss part of?
Dr. Weiss is linked to Merrionette Park Physicians Group.
Does Dr. Raymond Phillip Weiss accept Medicare?
Yes. CMS data shows Dr. Weiss billed Medicare for 689 services in 2024, and Dr. Weiss accepts Medicare assignment.
How many Medicare patients does Dr. Raymond Phillip Weiss see?
CMS counts 173 Medicare patients who saw Dr. Weiss in 2024, with an average age of 74.
What services does Dr. Raymond Phillip Weiss bill to Medicare?
In 2024, Dr. Weiss' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Show 4 more questionsShow fewer questions
Where did Dr. Raymond Phillip Weiss go to medical school?
Dr. Weiss graduated from Chicago Homeopathic Medical College in 1984.
What drugs does Dr. Raymond Phillip Weiss prescribe most?
In 2024 Medicare Part D data, Dr. Weiss' most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Raymond Phillip Weiss received payments from drug or device companies?
CMS Open Payments shows $121,315 in general payments to Dr. Weiss from 55 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Raymond Phillip Weiss been practicing?
Dr. Weiss graduated from medical school in 1984, 42 years ago.
Selling to internal medicine practices?
See internists in Illinois 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