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DR. JAMES STEERE GUETZKOW M.D., C.D.E.
NPI 1801906995
Hospitalist in San Jose, CA

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
1852 KOCHER DRIVE, SAN JOSE, CA 95125(408) 398-4831(408) 613-2021 Get Directions Write a Review

NPPES record last updated: October 17, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. James Steere Guetzkow M.d., C.d.e. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES STEERE GUETZKOW M.D., C.D.E. (NPI 1801906995) is an individual hospitalist provider in San Jose, California, licensed in California (G35753) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1975).

NPPES Registry Identity

NPI1801906995
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. JAMES STEERE GUETZKOWCredential: M.D., C.D.E.
Location Address1852 KOCHER DRIVESan Jose, CA 95125-5516
Mailing Address1852 Kocher DriveSan Jose, CA 95125-5516 · (408) 398-4831 · Fax (408) 613-2021
Phone(408) 398-4831
Fax(408) 613-2021
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1975
Enumeration DateAugust 30, 2006
Last NPPES UpdateOctober 17, 2018
✔ NPI 1801906995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in CA · G35753✔ Licensed in OR · MD166811
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedFamily MedicineTaxonomy 207Q00000X · License G35753 (CA)
Also ListedInternal MedicineTaxonomy 207R00000X · License G35753 (CA)
1852 KOCHER DRIVE, San Jose, CA 95125
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Other Identifiers 1

OtherG35753CA · California Medical Certif

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James Steere Guetzkow M.d., C.d.e. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921004631
PECOS Enrollment IDI20061019000381
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

9

Medicare enrollment records show James Guetzkow reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

California Emergency Physicians Medical Group A Professional Corp
1.0 mi
Internal Medicine
2295 PLUMMER AVE
San Jose, CA 95125
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
NPI 1619436128 (408) 269-0701
County Of Santa Clara
1.9 mi
Federally Qualified Health Center (FQHC)
750 S BASCOM AVE
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1972598449 (408) 885-5000
Galen Inpatient Physicians Inc
3.2 mi
Internal Medicine
2425 SAMARITAN DR
San Jose, CA 95124
  • Reassigned Medicare billing, California enrollment
  • 962 clinicians in this Medicare group
NPI 1477906758 (408) 559-2011
Quantum Bay Area Hospitalist Medical Group Inc
11 mi
Hospitalist
2500 GRANT RD
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 217 clinicians in this Medicare group
NPI 1902279656 (650) 940-7000
Vituity Hospitalists PC
23 mi
Hospitalist
170 ALAMEDA DE LAS PULGAS
Redwood City, CA 94062
  • Reassigned Medicare billing, California enrollment
  • 182 clinicians in this Medicare group
NPI 1174000533 (650) 369-5811
Hospitalist Medicine Physicians Of California, Inc
322 mi
Internal Medicine
18300 US HIGHWAY 18
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
  • 914 clinicians in this Medicare group
NPI 1184663965 (760) 946-4233
Quantum Healthcare Medical Associates Inc.
339 mi
Hospitalist
400 N PEPPER AVE
Colton, CA 92324
  • Reassigned Medicare billing, California enrollment
  • 338 clinicians in this Medicare group
NPI 1568490597 (909) 580-1000
Inpatient Specialists Of California, PC
340 mi
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
NPI 1952792475 (615) 377-5658
Peacehealth
472 mi
Hospitalist
3377 RIVERBEND DR
Springfield, OR 97477
  • Reassigned Medicare billing, Oregon enrollment
  • 278 clinicians in this Medicare group
NPI 1740223874 (541) 335-2700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
597 services223 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
164 services162 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
163 services96 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
79 services29 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
49 services49 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95125 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers30 claims30 services$14.76 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
2 suppliers18 claims18 services$782.19 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers44 claims44 services$66.33 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
4 suppliers14 claims14 services$12.64 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Guetzkow's NPI number?

The NPI number for James Guetzkow is 1801906995. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is James Guetzkow located?

James Guetzkow practices at 1852 Kocher Drive, San Jose, CA 95125. The listed phone number is (408) 398-4831.

What is James Guetzkow's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is James Guetzkow enrolled in Medicare?

Yes. James Guetzkow is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for James Guetzkow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Guetzkow reassigns Medicare benefits to 9 organizations: California Emergency Physicians Medical Group A Professional Corp (San Jose, CA), County Of Santa Clara (San Jose, CA), Galen Inpatient Physicians Inc (San Jose, CA), Quantum Bay Area Hospitalist Medical Group Inc (Mountain View, CA), Vituity Hospitalists PC (Redwood City, CA) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Guetzkow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Guetzkow was last updated on October 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.