Physician Profile
Kenneth S. Blumenfeld, M.D.
Unclaimed ProfileAbout Dr. Blumenfeld
Kenneth S. Blumenfeld, M.D. is a specialist based in San Jose, CA. Kenneth is a 1986 graduate of Johns Hopkins University School of Medicine. According to Medicare claims data, Kenneth cared for 339 Medicare patients across 392 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, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
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
Credentials & Licensing
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
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (408) 358-0133
- Email not available
Practice Locations
2577 SAMARITAN DR SUITE 710
San Jose, CA 95124
Procedures Most Often Billed to Medicare
392 services · 339 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of spine bone with release of lower spinal cord or nerves and/or removal of disc | Procedure | 63030 |
17 | Too few peers to compare |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
119 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
113 | As often as other peers in Specialist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
45 | Less often than most peers in Specialist |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
33 | As often as other peers in Specialist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
24 | Less often than most peers in Specialist |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
22 | Less often than most peers in Specialist |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
19 | Less often than most peers in Specialist |
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 specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other specialists in San Jose 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of spine bone with release of lower spinal cord or nerves and/or removal of disc 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Kenneth S. Blumenfeld's specialty?
Kenneth S. Blumenfeld is a specialist in San Jose, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Kenneth S. Blumenfeld?
Kenneth S. Blumenfeld is listed at 2577 Samaritan Dr Suite 710, San Jose, CA 95124. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Kenneth S. Blumenfeld?
The number on file is (408) 358-0133. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Kenneth S. Blumenfeld's NPI number?
Kenneth S. Blumenfeld's National Provider Identifier is 1235158254. 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 Kenneth S. Blumenfeld's education?
Kenneth S. Blumenfeld attended Johns Hopkins University School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Kenneth S. Blumenfeld been practicing?
Kenneth S. Blumenfeld has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Kenneth S. Blumenfeld known for?
According to Medicare billing data, Kenneth S. Blumenfeld performs procedures including partial removal of spine bone with release of lower spinal cord or nerves and/or removal of disc, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Kenneth S. Blumenfeld confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kenneth S. Blumenfeld. 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.