Dr. Regina P. Walker, MD
- Medicare services, 2024
- 789
- Medicare patients, 2024
- 439
- Part D claims, 2024
- 2,026
- MIPS score, 2024
- 75
- Hospital affiliations
- 5
- Practice address
- 4475 Lawn Ave, Western Springs, IL 60558
- Practice phone
- Call (630) 302-1001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Regina Paloyan Walker, M.D.
Physician office · Western Springs, Illinois
Find Dr. Walker'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.
Dr. Regina P. Walker is an otolaryngologist in Western Springs, Illinois
Dr. Walker practices at Regina Paloyan Walker, M.D. in Western Springs, Illinois.
Dr. Walker's NPI, 1538143557, was assigned on December 2, 2005. Dr. Walker graduated from Northwestern University Feinberg Medical School in 1986. Dr. Walker holds Illinois license 036-076781.
- NPI
- 1538143557NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628009107
- NPI enumeration date
- December 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 302-1001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Regina P. Walker practices at Regina Paloyan Walker, M.D. in Western Springs, Illinois
Dr. Walker's primary practice is Regina Paloyan Walker, M.D., at 4475 Lawn Ave, Western Springs, IL 60558. The practice phone is (630) 302-1001.
- Regina Paloyan Walker, M.D.4475 Lawn Ave, Western Springs, IL 60558Phone(630) 302-1001
Source: Dmand AI Affiliation Data
Dr. Regina P. Walker is affiliated with 6 sites of care
Dr. Walker's primary practice is Regina Paloyan Walker, M.D. in Western Springs, Illinois. Dr. Walker is also affiliated with Loyola University Medical Center. Dmand AI also links Dr. Walker to 4 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Regina P. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regina Paloyan Walker, M.D. | 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. Regina P. Walker is one of 401 otolaryngologists in Illinois
Otolaryngology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Walker is licensed in Illinois.
Specialties and state licenses
- Otolaryngology, IllinoisPrimary
Otolaryngologists near Dr. Walker
Counts of otolaryngologists 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. Regina P. Walker billed Medicare for 789 services in 2024
CMS data shows 789 Medicare services from Dr. Walker across 4 procedure codes in 2024, for 439 Medicare patients. Medicare paid $65,196 for them. Every service was in an office.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5392024: 538No change
- Imaging
- 2023: 3642024: 23137%
- Surgery
- 2023: 272024: 2026%
Dr. Walker compared with the Illinois median for otolaryngologists, 2024
- Dr. Walker
- Illinois median
- Medicare services
- 789vs 60331% above
- Medicare patients
- 439vs 29151% above
- Part D claims
- 1,975vs 16312.1 times
Medians across 384 otolaryngologists in Illinois with Dmand AI profiles that report each measure.
Dr. Walker'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. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other otolaryngologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Regina P. Walker treated 439 Medicare patients in 2024, average age 73
CMS counts 439 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 271 patients. 71% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 57, with 88% women.
Dr. Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Walker's Medicare patients by sex, 2024
- Women38788%
- Men5212%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High cholesterol71%
- High blood pressure59%
- Arthritis44%
- Anxiety24%
- Osteoporosis24%
- Ischemic heart disease19%
- Mood disorders19%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Walker'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
- Women88%
- Men11%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Regina P. Walker wrote 2,026 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 2,026 Medicare Part D claims for 449 patients. CMS names the drug for 1,975 of them, across 9 drugs with 11 or more claims each, at $92,930 in total drug cost. In 2023, CMS named 1,710 claims across 9 drugs.
Dr. Walker's 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7102024: 1,97515%
Drugs named by CMS: 9 in 2024, 9 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
Dr. Regina P. Walker scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Walker for performance year 2024, reported individually. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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. Regina P. Walker received $3,035 in industry payments from 2016 to 2025
CMS Open Payments shows 140 general payments to Dr. Walker from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $1,153.
General payments to Dr. Walker by program year, 2016 to 2025
General payments to Dr. Walker by kind, 2016 to 2025
- Food and beverage$2,58585%
- Consulting fees$45015%
Companies that paid Dr. Walker 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. Regina P. Walker graduated from Northwestern University Feinberg Medical School
Dr. Walker graduated from Northwestern University Feinberg Medical School in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Regina P. Walker'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Clinician Public Reporting: Overall MIPS Performance (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. Regina P. Walker
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. Regina P. Walker's NPI number?
Dr. Regina P. Walker's NPI number is 1538143557. It was assigned on December 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Regina P. Walker?
Dr. Regina P. Walker is an otolaryngologist in Western Springs, Illinois. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Regina P. Walker practice?
Dr. Walker practices at 4475 Lawn Ave, Western Springs, IL 60558. Dr. Walker's primary practice is Regina Paloyan Walker, M.D. in Western Springs, Illinois. Dmand AI also links Dr. Walker to 4 hospitals.
What is Dr. Regina P. Walker's office phone number?
The practice phone on file for Dr. Walker is (630) 302-1001.
What is Dr. Regina P. Walker's medical license number?
Dr. Walker holds Illinois license 036-076781.
Which hospitals is Dr. Regina P. Walker affiliated with?
Dr. Walker is affiliated with Loyola University Medical Center. Dmand AI links Dr. Walker to 4 more hospitals.
Does Dr. Regina P. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 789 services in 2024, and Dr. Walker accepts Medicare assignment.
What is Dr. Regina P. Walker's MIPS score?
Dr. Walker's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Regina P. Walker see?
CMS counts 439 Medicare patients who saw Dr. Walker in 2024, with an average age of 73.
What services does Dr. Regina P. Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were office visit, established patient (99214), ultrasound (76536) and office visit, established patient (99215).
Show 4 more questionsShow fewer questions
Where did Dr. Regina P. Walker go to medical school?
Dr. Walker graduated from Northwestern University Feinberg Medical School in 1986.
What drugs does Dr. Regina P. Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Unithroid, Synthroid and Levothyroxine Sodium.
Has Dr. Regina P. Walker received payments from drug or device companies?
CMS Open Payments shows $3,035 in general payments to Dr. Walker from 12 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Regina P. Walker been practicing?
Dr. Walker graduated from medical school in 1986, 40 years ago.
Selling to otolaryngology practices?
See otolaryngologists 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