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GREGORY MICHAEL OW
NPI 1699352211
Hospitalist in San Francisco, CA

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
500 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-2342 Get Directions Write a Review

NPPES record last updated: October 3, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 3, 2024, Mar 28, 2021 (2 updates tracked since 2021).

About Gregory Michael Ow NPPES

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

GREGORY MICHAEL OW (NPI 1699352211) is an individual hospitalist provider in San Francisco, California, licensed in California (A188385) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2021).

NPPES Registry Identity

NPI1699352211
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameGREGORY MICHAEL OW
Location Address500 PARNASSUS AVESan Francisco, CA 94143-2203
Mailing Address500 Parnassus AveSan Francisco, CA 94143-2203
Phone(415) 476-2342
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateOctober 3, 20242 updates tracked since enumeration
NPPES CertifiedOctober 3, 2024
✔ NPI 1699352211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A188385
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 ListedInternal MedicineTaxonomy 207R00000X · License A188385 (CA)
500 PARNASSUS AVE, San Francisco, CA 94143
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Michael Ow 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 ID6204234156
PECOS Enrollment IDI20240920000029
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.

Areas of Expertise CMS Part B claims 4

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.
42 services17 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.
31 services15 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.
12 services12 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRATAP MUKHERJEE M.D, M.S
Thoracic Surgery (Cardiothoracic Vascular Surgery)
500 PARNASSUS AVE, MUW425
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-7924
ARUSHI GULATI MD
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-4562
SARAH CHONG
Pharmacist
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 681-3394
ABBEY LYNN KENNEDY M.D.
Orthopaedic Surgery
500 PARNASSUS AVE, MU 320W
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-6043
RACHEL LEVY MD
Obstetrics & Gynecology
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-4562
PROF. MATTHIEU LEGRAND MD, PHD
Anesthesiology (Critical Care Medicine)
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9035
SERGIO EDUARDO FLORES
Orthopaedic Surgery (Sports Medicine)
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1788
CHLOE CONNOLLY DLOTT
Student in an Organized Health Care Education/Training Program
500 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (628) 206-8000

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 Gregory Ow's NPI number?

The NPI number for Gregory Ow is 1699352211. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Gregory Ow located?

Gregory Ow practices at 500 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-2342.

What is Gregory Ow's specialty?

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

Is Gregory Ow enrolled in Medicare?

Yes. Gregory Ow 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.

When was this NPI record last updated?

The NPPES record for Gregory Ow was last updated on October 3, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.