David Simon Williams, DC
- Medicare patients, 2026
- 124
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 535 East 70th Street, New York, NY 10021
- Practice phone
- Call (212) 606-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find David Williams' 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.
David Simon Williams is a chiropractor in New York, New York
David Williams practices at Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery.
David Williams' NPI, 1659308013, was assigned on June 28, 2006. David Williams holds New York license X010789-1.
- NPI
- 1659308013NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183686751
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 606-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David Simon Williams practices at Hospital for Special Surgery in New York, New York
David Williams' primary practice is Hospital for Special Surgery, at 535 East 70th Street, New York, NY 10021 in New York County. The practice phone is (212) 606-1000.
- Hospital for Special Surgery535 East 70th Street, New York, NY 10021 · New York CountyPhone(212) 606-1000
Source: Dmand AI Affiliation Data
David Simon Williams is affiliated with 2 sites of care and 1 medical group
David Williams' primary practice is Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery. The medical group on file is SL Medical Services. Dmand AI also links David Williams to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at David Simon Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hospital for Special Surgery | Available with a free account |
| +1 more affiliated site | 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 Hospital for Special Surgery and 6.2K+ hospitals, with verified contacts in the same login.
David Simon Williams is one of 1,938 chiropractors in New York
Chiropractor is David Williams' primary specialty in the NPI Registry, under taxonomy code 111N00000X. David Williams is licensed in New York.
Specialties and state licenses
- Chiropractor, New YorkPrimary
Chiropractors near David Williams
Counts of chiropractors 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
David Simon Williams treated 124 Medicare patients in 2026, average age 75
CMS counts 124 Medicare patients who saw David Williams in 2026. The largest group is 65 to 74, with 61 patients. 70% of them have high cholesterol, and 58% have arthritis. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David Williams' median patient age at 44, with 53% women.
David Williams' Medicare patients by age, 2026
David Williams' Medicare patients by sex, 2026
- Women6855%
- Men5645%
Chronic conditions among David Williams' Medicare patients, 2026
- High cholesterol70%
- Arthritis58%
- High blood pressure54%
- Cancer20%
- Ischemic heart disease20%
- Osteoporosis20%
- Anxiety19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
David Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women53%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
How David Simon Williams takes part in Medicare
David Williams 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)
Sources for David Simon 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 patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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 David Simon 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 David Simon Williams' NPI number?
David Simon Williams' NPI number is 1659308013. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What does David Simon Williams specialize in?
David Simon Williams is a chiropractor in New York, New York. The primary specialty in the NPI Registry is Chiropractor (taxonomy code 111N00000X).
Where does David Simon Williams practice?
David Williams practices at 535 East 70th Street, New York, NY 10021. David Williams' primary practice is Hospital for Special Surgery in New York, New York, part of Hospital for Special Surgery. Dmand AI also links David Williams to 1 group practice or clinic, and a free account names each one.
What is David Simon Williams' office phone number?
The practice phone on file for David Williams is (212) 606-1000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is David Simon Williams' email address?
Dmand AI checks professional and personal email addresses for David Williams through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is David Simon Williams' medical license number?
David Williams holds New York license X010789-1.
Which hospitals is David Simon Williams affiliated with?
David Williams practices at Hospital for Special Surgery in New York, New York.
What medical group is David Simon Williams part of?
David Williams is linked to SL Medical Services.
Who does David Simon Williams practice with?
Dmand AI links 7 HCPs to David Williams' primary medical group, 1 of them chiropractor. A free account lists them, with verified contacts.
Does David Simon Williams accept Medicare?
Yes. CMS lists David Williams as accepting Medicare assignment.
Show 3 more questionsShow fewer questions
How many Medicare patients does David Simon Williams see?
CMS counts 124 Medicare patients who saw David Williams in 2026, with an average age of 75.
How long has David Simon Williams been practicing?
David Williams graduated from medical school in 2003, 23 years ago.
What EHR does David Simon Williams' practice use?
Dmand AI tracks the EHR system at Hospital for Special Surgery and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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