Ziv Williams, MD
Neurological Surgery Physician · Boston, MA
Ziv Williams, MD is a neurological surgery physician with a practice address in Boston, Massachusetts, and NPI 1093705782, issued on Oct 25, 2005. Check the license (Massachusetts 216555, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ziv Williams
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 216555 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 643-4102
- Enumerated
- Oct 25, 2005
- Record last updated
- Aug 14, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (617) 643-4111
- Medicare enrollment
- Enrolled (PECOS I20060620000262); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 236 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Ziv Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 216555Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average neurological surgery physician in 2024
23 Medicare Part D claims for 13 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
Most prescribed
- Oxycodone Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $302.00
2 payments; by number, the most common kind was travel and lodging; the largest payer was Globus Medical, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ziv Williams among 236 neurological surgery physician records in Massachusetts
Ziv Williams, MD is one of 236 neurological surgery physician records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2001 among the 154 with a school on file
- Record last updated2009 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Massachusetts
There are 236 neurological surgery physician records in Massachusetts.
All 236 in Massachusetts → Every provider in Boston → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Alireza Atri, MD PHDBoston, MA 021141326038506
- Frederick Barker, MDBoston, MA 021141649244344
- Lawrence Borges, MDBoston, MA 021141851379010
- Daniel Cahill, MD PHDBoston, MA 021141336113679
- Paul Chapman, MDBoston, MA 021141780674960
- Jean Valery Coumans, MDBoston, MA 021141467436154
- William Curry, MDBoston, MA 021141730163395
- Emad Eskandar, MDBoston, MA 021141972576239
Common questions
What is Ziv Williams, MD's NPI number?
Ziv Williams, MD's National Provider Identifier (NPI) is 1093705782, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ziv Williams, MD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 643-4102. Providers update this record themselves, so call before visiting.
How can I verify Ziv Williams, MD's license?
NPPES lists Massachusetts license number 216555, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ziv Williams, MD prescribe under Medicare Part D?
In 2024, Ziv Williams, MD had 23 Medicare Part D claims for 13 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.