Gregory Williams
- Medicare services, 2020
- 81
- Part D claims, 2024
- 100
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 718 Smyth Road, Manchester, NH 03104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Manchester VA Medical Center - Behavioral Health
Outpatient Addiction Treatment · Manchester, New Hampshire
Find Gregory Williams' professional email, personal email and mobile number
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Gregory Williams is a family medicine physician in Manchester, New Hampshire
Gregory Williams practices at Manchester VA Medical Center - Behavioral Health in Manchester, New Hampshire.
Gregory Williams' NPI, 1427045632, was assigned on October 3, 2005. Gregory Williams holds New Hampshire license 11119.
- NPI
- 1427045632NPI Registry (opens in a new tab)
- NPI enumeration date
- October 3, 2005
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gregory Williams practices at Manchester VA Medical Center - Behavioral Health in Manchester, New Hampshire
Gregory Williams' primary practice is Manchester VA Medical Center - Behavioral Health, at 718 Smyth Road, Manchester, NH 03104.
- Manchester VA Medical Center - Behavioral Health718 Smyth Road, Manchester, NH 03104
Source: Dmand AI Affiliation Data
Gregory Williams is affiliated with 1 site of care and 1 medical group
Gregory Williams' primary practice is Manchester VA Medical Center - Behavioral Health in Manchester, New Hampshire. The medical group on file is Lahey Clinic. Gregory Williams' employer is on file too: a behavioral health center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Williams practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manchester VA Medical Center - Behavioral Health | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Williams is one of 626 family medicine physicians in New Hampshire
Family medicine is Gregory Williams' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Gregory Williams' licenses on file in 2 states: New Hampshire and Massachusetts.
Specialties and state licenses
- Family medicine, New HampshirePrimary
- Massachusetts license
Family medicine physicians near Gregory Williams
Counts of family medicine physicians 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
Gregory Williams billed Medicare for 81 services in 2020
CMS data shows 81 Medicare services from Gregory Williams across 2 procedure codes in 2020. Medicare paid $13,586 for them. Every service was in a facility, such as a hospital, rather than an office.
Gregory Williams' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1152020: 8130%
Gregory Williams compared with the New Hampshire median for family medicine physicians, 2020
- Gregory Williams
- New Hampshire median
- Medicare services
- 81vs 32675% below
- Part D claims
- 11vs 96699% below
Medians across 656 family medicine physicians in New Hampshire with Dmand AI profiles that report each measure.
Gregory Williams' most billed Medicare procedure codes, 2020
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 Gregory Williams and other family medicine physicians in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory Williams' patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Gregory Williams' median patient age at 73, with 3% women.
Gregory Williams' 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
- Women3%
- Men97%
Source: Dmand AI Patient Panel Data
Gregory Williams wrote 100 Medicare Part D claims in 2024
In 2024, Gregory Williams wrote 100 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $11 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.
Gregory Williams' 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: 342024: 1168%
Drugs named by CMS: 1 in 2024, 3 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
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.
Sources for Gregory Williams'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 Data |
| 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) |
| 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 Gregory Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Williams' NPI number?
Gregory Williams' NPI number is 1427045632. It was assigned on October 3, 2005, and it is active in the NPI Registry.
What does Gregory Williams specialize in?
Gregory Williams is a family medicine physician in Manchester, New Hampshire. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Gregory Williams practice?
Gregory Williams practices at 718 Smyth Road, Manchester, NH 03104. Gregory Williams' primary practice is Manchester VA Medical Center - Behavioral Health in Manchester, New Hampshire.
What is Gregory Williams' medical license number?
Gregory Williams holds New Hampshire license 11119, one of the licenses on file in 2 states.
Which states has Gregory Williams been licensed in?
Dmand AI has state licenses on file for Gregory Williams in New Hampshire and Massachusetts.
What medical group is Gregory Williams part of?
Gregory Williams is linked to Lahey Clinic.
Does Gregory Williams accept Medicare?
Yes. CMS data shows Gregory Williams billed Medicare for 81 services in 2020.
What services does Gregory Williams bill to Medicare?
In 2020, Gregory Williams' most billed Medicare services were hospital inpatient care (99223) and medical service (99220).
What drugs does Gregory Williams prescribe most?
In 2024 Medicare Part D data, Gregory Williams' most prescribed drugs by claims were Metformin HCl.
How long has Gregory Williams been practicing?
Gregory Williams' NPI was assigned in 2005.
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