Physician Profile

William D. Winkelman, MD

Unclaimed Profile

About Dr. Winkelman

Based in Cambridge, MA, William D. Winkelman, MD is listed in the NPI registry under obstetrics & gynecology. William graduated from Harvard Medical School in 2013. According to Medicare claims data, William cared for 1,355 Medicare patients across 7,520 services. The services billed most often include injection, onabotulinumtoxina, 1 unit, urinalysis, manual test, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Education & Training

Specialty

Obstetrics & Gynecology (Primary)
Obstetrics & Gynecology (Additional)

Credentials & Licensing

MA license269596
NPI1316289440
NPI issued03/27/2013

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Winkelman?

Dr. Winkelman is an OB-GYN in Cambridge, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.

NPI registry

What is Dr. Winkelman's address?

Dr. Winkelman is listed at 725 Concord Ave Ste 3500, Cambridge, MA 02138. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Winkelman?

The number on file is (617) 354-5452. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Winkelman's NPI number?

Dr. Winkelman's National Provider Identifier is 1316289440. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Winkelman train?

Dr. Winkelman attended Harvard Medical School, graduating in 2013. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Winkelman been practicing?

Dr. Winkelman has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Winkelman perform?

According to Medicare billing data, Dr. Winkelman performs procedures including ultrasound measurement of bladder capacity after voiding, simple bladder irrigation and/or instillation and non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Winkelman confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Winkelman. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.