Dr. John D. Hall, MD
- Medicare services, 2024
- 234
- Medicare patients, 2024
- 81
- Part D claims, 2024
- 5,925
- Hospital affiliations
- 2
- Industry payments
- $1,488
- Practice address
- 100 College Pkwy Ste 260 Suite 260, Williamsville, NY 14221
- Practice phone
- Call (716) 635-0688
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
R & B Medical Group
Primary care practice · Williamsville, New York
Find Dr. Hall'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. John D. Hall is an internist in Buffalo, New York
Dr. Hall practices at R & B Medical Group in Williamsville, New York.
Dr. Hall's NPI, 1912969304, was assigned on April 3, 2006. Dr. Hall graduated from State University of New York at Buffalo School of Medicine in 1992. Dr. Hall holds New York license 193983.
- NPI
- 1912969304NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749252153
- NPI enumeration date
- April 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 635-0688
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John D. Hall practices at R & B Medical Group in Williamsville, New York
Dr. Hall's primary practice is R & B Medical Group, at 100 College Pkwy Ste 260 Suite 260, Williamsville, NY 14221. The practice phone is (716) 635-0688.
- R & B Medical Group100 College Pkwy Ste 260 Suite 260, Williamsville, NY 14221Phone(716) 635-0688
Source: Dmand AI Affiliation Data
Dr. John D. Hall is affiliated with 4 sites of care and 2 medical groups
Dr. Hall's primary practice is R & B Medical Group in Williamsville, New York. Dr. Hall is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is R&B Medical Group. Dmand AI also links Dr. Hall to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John D. Hall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hall practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| R & B Medical Group | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John D. Hall is one of 9,643 internists in New York
Internal medicine is Dr. Hall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hall is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Hall
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. John D. Hall billed Medicare for 234 services in 2024
CMS data shows 234 Medicare services from Dr. Hall across 4 procedure codes in 2024, for 81 Medicare patients. Medicare paid $17,703 for them. Every service was in an office.
Dr. Hall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1492024: 149No change
- Other services
- 2023: 912024: 857%
Dr. Hall compared with the New York median for internists, 2024
- Dr. Hall
- New York median
- Medicare services
- 234vs 42645% below
- Medicare patients
- 81vs 15849% below
- Part D claims
- 5,466vs 6228.8 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Hall'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hall and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Hall treated 81 Medicare patients in 2024, average age 72
CMS counts 81 Medicare patients who saw Dr. Hall in 2024. The largest group is 65 to 74, with 30 patients. 74% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 1.22, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hall's median patient age at 64, with 56% women.
Dr. Hall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hall's Medicare patients by sex, 2024
- Women4151%
- Men4049%
Chronic conditions among Dr. Hall's Medicare patients, 2024
- High cholesterol74%
- High blood pressure63%
- Arthritis62%
- Anxiety35%
- Diabetes33%
- Ischemic heart disease28%
- Mood disorders28%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John D. Hall wrote 5,925 Medicare Part D claims in 2024
In 2024, Dr. Hall wrote 5,925 Medicare Part D claims for 371 patients. 85% of them were for generic drugs. CMS names the drug for 5,466 of them, across 95 drugs with 11 or more claims each, at $512,398 in total drug cost. In 2023, CMS named 4,907 claims across 89 drugs.
Dr. Hall's Part D claims by kind of drug, 2024
- Generic5,054 claims85%
- Brand-name825 claims14%
- Other46 claims1%
Dr. Hall'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. Hall's Part D claims, 2024
- Opioids1%52 of 5,925 claims
- Antibiotics1%58 of 5,925 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: 4,9072024: 5,46611%
Drugs named by CMS: 95 in 2024, 89 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. John D. Hall takes part in Medicare
Dr. Hall 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. John D. Hall received $1,488 in industry payments from 2016 to 2025
CMS Open Payments shows 81 general payments to Dr. Hall from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $373.
General payments to Dr. Hall by program year, 2016 to 2025
Companies that paid Dr. Hall 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. John D. Hall graduated from State University of New York at Buffalo School of Medicine
Dr. Hall graduated from State University of New York at Buffalo School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John D. Hall'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) |
| 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. John D. Hall
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. John D. Hall's NPI number?
Dr. John D. Hall's NPI number is 1912969304. It was assigned on April 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Hall?
Dr. John D. Hall is an internist in Buffalo, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John D. Hall practice?
Dr. Hall practices at 100 College Pkwy Ste 260 Suite 260, Williamsville, NY 14221. Dr. Hall's primary practice is R & B Medical Group in Williamsville, New York. Dmand AI also links Dr. Hall to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. John D. Hall's office phone number?
The practice phone on file for Dr. Hall is (716) 635-0688.
What is Dr. John D. Hall's medical license number?
Dr. Hall holds New York license 193983.
Which hospitals is Dr. John D. Hall affiliated with?
Dr. Hall is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Hall to 1 more hospital.
What medical group is Dr. John D. Hall part of?
Dr. Hall is linked to R&B Medical Group. Dmand AI links Dr. Hall to 1 more medical group.
Does Dr. John D. Hall accept Medicare?
Yes. CMS data shows Dr. Hall billed Medicare for 234 services in 2024, and Dr. Hall accepts Medicare assignment.
How many Medicare patients does Dr. John D. Hall see?
CMS counts 81 Medicare patients who saw Dr. Hall in 2024, with an average age of 72.
What services does Dr. John D. Hall bill to Medicare?
In 2024, Dr. Hall's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
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Where did Dr. John D. Hall go to medical school?
Dr. Hall graduated from State University of New York at Buffalo School of Medicine in 1992.
What drugs does Dr. John D. Hall prescribe most?
In 2024 Medicare Part D data, Dr. Hall's most prescribed drugs by claims were Omeprazole, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. John D. Hall received payments from drug or device companies?
CMS Open Payments shows $1,488 in general payments to Dr. Hall from 18 companies from 2016 to 2025. The largest total came from Dexcom, Inc.
How long has Dr. John D. Hall been practicing?
Dr. Hall graduated from medical school in 1992, 34 years ago.
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