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Edit this profileWhere to find Spencer WILLIAM PRESTON Drotman, M.D.
- Greenbrae location main office
250 Bon Air Rd, Greenbrae, CA 94904 - Philadelphia location
3401 N Broad St, Philadelphia, PA 19140
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. NPI 1578906665 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 925-7100
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
250 BON AIR RD
Greenbrae, CA 94904
3401 N Broad St
Philadelphia, PA 19140
Conditions Commonly Evaluated or Treated
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Sedation & Phobias
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Nerve blocks
- Celiac Plexus Nerve Block
- Abdominal Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
- In-Office Anesthesia for Plastic Surgery
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- IV sedation for endoscopy
Sedation & anesthesia
- General anesthesia
- Moderate dental sedation
- Sedation for dental work
- Labor epidural
- Pre-surgery anesthesia consult
- Spinal spinal block
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
- Knee nerve block and ablation
- Peripheral nerve hydrodissection
- Radiofrequency ablation
Pain relief procedures
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
291 services · 283 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
60 | More than most peers in Anesthesiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
57 | More than most peers in Anesthesiology |
| Anesthesia for x-ray on artery of brain, heart, or chest | Anaesthesia | 01926 |
23 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
22 | As often as other peers in Anesthesiology |
| Anesthesia for lens surgery | Anaesthesia | 00142 |
21 | Less often than most peers in Anesthesiology |
| Anesthesia for electroshock therapy | Anaesthesia | 00104 |
18 | Less often than most peers in Anesthesiology |
| Anesthesia for procedure on heart and large blood vessels | Anaesthesia | 00560 |
17 | As often as other peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
15 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
14 | Less often than most peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
11 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other anesthesiologists in Greenbrae 5
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Georgetown University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in CA who bill this service to Medicare most often.
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. Contact the office directly to confirm availability and scheduling.
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
Guide.md listings do not constitute medical advice or an endorsement.