Physician Profile

Spencer WILLIAM PRESTON Drotman, M.D.

Unclaimed Profile

About Dr. Drotman

Based in Greenbrae, CA, Spencer WILLIAM PRESTON Drotman, M.D. is listed in the NPI registry under anesthesiology. Spencer graduated from Georgetown University School of Medicine in 2013. Medicare claims data shows Spencer provided 291 services to 283 patients. The services billed most often include insertion of artery tube for blood sampling or infusion through skin, ultrasonic guidance for blood vessel access, and anesthesia for x-ray on artery of brain, heart, or chest.

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

Specialty

Anesthesiology (Primary)
Anesthesiology (Additional)

Credentials & Licensing

CA licenseA156562
PA licenseMD463943
NPI1578906665
NPI issued04/09/2013

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
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 Spencer WILLIAM PRESTON Drotman?

Spencer WILLIAM PRESTON Drotman is an anesthesiologist in Greenbrae, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is Spencer WILLIAM PRESTON Drotman's address?

Spencer WILLIAM PRESTON Drotman is listed at 250 Bon Air Rd, Greenbrae, CA 94904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Spencer WILLIAM PRESTON Drotman?

The number on file is (415) 925-7100. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Spencer WILLIAM PRESTON Drotman?

Spencer WILLIAM PRESTON Drotman's National Provider Identifier is 1578906665. 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 Spencer WILLIAM PRESTON Drotman train?

Spencer WILLIAM PRESTON Drotman attended Georgetown University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Spencer WILLIAM PRESTON Drotman have?

Spencer WILLIAM PRESTON Drotman has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.

CMS public data

What procedures does Spencer WILLIAM PRESTON Drotman perform?

According to Medicare billing data, Spencer WILLIAM PRESTON Drotman performs procedures including insertion of artery tube for blood sampling or infusion through skin; reads or performs imaging such as ultrasonic guidance for blood vessel access and ultrasonic guidance for needle placement; provides treatments such as insertion of probe in esophagus for heart ultrasound and anesthesia for x-ray on artery of brain, heart, or chest. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Spencer WILLIAM PRESTON Drotman's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Spencer WILLIAM PRESTON Drotman. 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.