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Edit this profileAt a glance
- 23845 Holman Hwy, Ste 220, Monterey, CA 93940
About Dr. Spowart
Gregory S. Spowart, M.D. is a healthcare provider in Monterey, CA specializing in cardiac surgery. Gregory trained at University of California, Davis School of Medicine, graduating in 1981. Gregory is also listed as specializing in thoracic surgery (cardiothoracic). According to Medicare claims data, Gregory cared for 242 Medicare patients across 244 services. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1669475430.
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
- (831) 644-0225
- Email not available
Practice Locations
23845 HOLMAN HWY STE 220
Monterey, CA 93940
Procedures Most Often Billed to Medicare
244 services · 242 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Harvest of vein using an endoscope | Procedure | 33508 |
31 | More often than most peers in Cardiac Surgery |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
30 | More often than most peers in Cardiac Surgery |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
16 | As often as other peers in Cardiac Surgery |
| Replacement of aortic valve on heart-lung machine | Procedure | 33405 |
14 | As often as other peers in Cardiac Surgery |
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
12 | Less often than most peers in Cardiac Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
44 | More often than most peers in Cardiac Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
40 | More often than most peers in Cardiac Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
34 | More often than most peers in Cardiac Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 | As often as other peers in Cardiac Surgery |
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.
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.
Trained at University of California, Davis School of Medicine 2
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Harvest of vein using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Gregory S. Spowart's specialty?
Gregory S. Spowart is a cardiac surgeon in Monterey, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiac Surgery”.
NPI registry
Where can I find Gregory S. Spowart?
Gregory S. Spowart is listed at 23845 Holman Hwy Ste 220, Monterey, CA 93940. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gregory S. Spowart?
The number on file is (831) 644-0225. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory S. Spowart's NPI number?
Gregory S. Spowart's National Provider Identifier is 1669475430. 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
What is Gregory S. Spowart's education?
Gregory S. Spowart attended University of California, Davis School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory S. Spowart been practicing?
Gregory S. Spowart has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Gregory S. Spowart known for?
According to Medicare billing data, Gregory S. Spowart performs procedures including harvest of vein using an endoscope, coronary artery bypass using artery graft, 1 graft and coronary artery bypass using vein or artery graft, 2 grafts, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregory S. Spowart confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory S. Spowart. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.