Dr. Gregory E. Walker, MD
- Medicare services, 2024
- 991
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 17,902
- MIPS score, 2024
- 84
- Hospital affiliations
- 5
- Practice address
- 955 Rivermont Drive, Pittsburgh, PA 15207
- Practice phone
- Call (412) 422-6800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Glen Hazel Community Living Center
Skilled Nursing Facility · Pittsburgh, Pennsylvania
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. Gregory E. Walker is an internist in Pittsburgh, Pennsylvania
Dr. Walker practices at Glen Hazel Community Living Center in Pittsburgh, Pennsylvania.
Dr. Walker's NPI, 1730105503, was assigned on July 14, 2006. Dr. Walker graduated from Temple University School of Medicine in 1994. Dr. Walker holds Pennsylvania license MD058531L.
- NPI
- 1730105503NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436255932
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (412) 422-6800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory E. Walker practices at Glen Hazel Community Living Center in Pittsburgh, Pennsylvania
Dr. Walker's primary practice is Glen Hazel Community Living Center, at 955 Rivermont Drive, Pittsburgh, PA 15207 in Allegheny County. The practice phone is (412) 422-6800.
- Glen Hazel Community Living Center955 Rivermont Drive, Pittsburgh, PA 15207 · Allegheny CountyPhone(412) 422-6800
Source: Dmand AI Affiliation Data
Dr. Gregory E. Walker is affiliated with 9 sites of care and 2 medical groups
Dr. Walker's primary practice is Glen Hazel Community Living Center in Pittsburgh, Pennsylvania. Dr. Walker is also affiliated with UPMC Presbyterian. The medical group on file is Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC. Dmand AI also links Dr. Walker to 4 more hospitals, 2 hospices, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory E. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Glen Hazel Community Living Center | Available with a free account |
| +8 more sites and 1 medical group | 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. Gregory E. Walker is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Walker is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Walker
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. Gregory E. Walker billed Medicare for 991 services in 2024
CMS data shows 991 Medicare services from Dr. Walker across 10 procedure codes in 2024, for 168 Medicare patients. Medicare paid $49,361 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: 6082024: 76325%
- Surgery
- 2023: 1462024: 1376%
- Other services
- 2023: 862024: 789%
- Tests and treatments
- 2023: 232024: 1343%
Dr. Walker compared with the Pennsylvania median for internists, 2024
- Dr. Walker
- Pennsylvania median
- Medicare services
- 991vs 4172.4 times
- Medicare patients
- 168vs 1859% below
- Part D claims
- 17,108vs 22476.4 times
Medians across 5,518 internists in Pennsylvania 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 internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory E. Walker treated 168 Medicare patients in 2024, average age 73
CMS counts 168 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 88 patients. 70% of them have high blood pressure, and 60% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 71, with 54% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women7645%
- Men9255%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure70%
- High cholesterol60%
- Arthritis43%
- Anxiety33%
- Alzheimer's and dementia32%
- Mood disorders32%
- Depression31%
- Diabetes29%
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 71
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory E. Walker wrote 17,902 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 17,902 Medicare Part D claims for 796 patients. 88% of them were for generic drugs. CMS names the drug for 17,108 of them, across 219 drugs with 11 or more claims each, at $1,108,570 in total drug cost. In 2023, CMS named 13,786 claims across 199 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic15,708 claims88%
- Brand-name2,104 claims12%
- Other90 claims1%
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.
Drug classes CMS tracks in Dr. Walker's Part D claims, 2024
- Opioids4%728 of 17,902 claims
- Antibiotics1%195 of 17,902 claims
- Antipsychotics, patients 65 and over2%418 of 17,902 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: 13,7862024: 17,10824%
Drugs named by CMS: 219 in 2024, 199 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. Gregory E. Walker scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Walker for performance year 2024, reported as part of a group. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Walker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Walker's MIPS scores, performance year 2024
- 84of 100Final score
- 70.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
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. Gregory E. Walker received $969 in industry payments from 2016 to 2025
CMS Open Payments shows 41 general payments to Dr. Walker from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $252.
General payments to Dr. Walker by program year, 2016 to 2025
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. Gregory E. Walker graduated from Temple University School of Medicine
Dr. Walker graduated from Temple University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory E. 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 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) |
| 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. Gregory E. 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. Gregory E. Walker's NPI number?
Dr. Gregory E. Walker's NPI number is 1730105503. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory E. Walker?
Dr. Gregory E. Walker is an internist in Pittsburgh, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory E. Walker practice?
Dr. Walker practices at 955 Rivermont Drive, Pittsburgh, PA 15207. Dr. Walker's primary practice is Glen Hazel Community Living Center in Pittsburgh, Pennsylvania. Dmand AI also links Dr. Walker to 4 hospitals, 2 hospices, 1 group practice or clinic and 1 medical group.
What is Dr. Gregory E. Walker's office phone number?
The practice phone on file for Dr. Walker is (412) 422-6800.
What is Dr. Gregory E. Walker's medical license number?
Dr. Walker holds Pennsylvania license MD058531L.
Which hospitals is Dr. Gregory E. Walker affiliated with?
Dr. Walker is affiliated with UPMC Presbyterian. Dmand AI links Dr. Walker to 4 more hospitals.
What medical group is Dr. Gregory E. Walker part of?
Dr. Walker is linked to Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC. Dmand AI links Dr. Walker to 1 more medical group.
Does Dr. Gregory E. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 991 services in 2024, and Dr. Walker accepts Medicare assignment.
Does Dr. Gregory E. Walker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Walker as offering telehealth services.
What is Dr. Gregory E. Walker's MIPS score?
Dr. Walker's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Gregory E. Walker see?
CMS counts 168 Medicare patients who saw Dr. Walker in 2024, with an average age of 73.
What services does Dr. Gregory E. Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were nursing facility care (99307), nursing facility care (99308) and surgery: heart and blood vessels (36415).
Where did Dr. Gregory E. Walker go to medical school?
Dr. Walker graduated from Temple University School of Medicine in 1994.
What drugs does Dr. Gregory E. Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Gabapentin.
Has Dr. Gregory E. Walker received payments from drug or device companies?
CMS Open Payments shows $969 in general payments to Dr. Walker from 11 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Gregory E. Walker been practicing?
Dr. Walker graduated from medical school in 1994, 32 years ago.
Selling to internal medicine practices?
See internists in Pennsylvania 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