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PAM GREWALL M.D.
NPI 1578580445
Hospitalist in San Francisco, CA

Active since July 16, 2006PECOS EnrolledAccepts Medicare Assignment
2340 CLAY ST, 2ND FLOOR, SAN FRANCISCO, CA 94115(415) 600-3458(415) 600-3451 Get Directions Write a Review

NPPES record last updated: May 7, 2019. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Pam Grewall M.d. NPPES

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

PAM GREWALL M.D. (NPI 1578580445) is an individual hospitalist provider in San Francisco, California, licensed in California (A78443) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2000).

NPPES Registry Identity

NPI1578580445
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NamePAM GREWALLCredential: M.D.
Location Address2340 CLAY ST, 2ND FLOORSan Francisco, CA 94115-1932
Mailing Address2350 W El Camino Real Fl 2Mountain View, CA 94040-6203 · (415) 600-3458 · Fax (415) 600-3451
Phone(415) 600-3458
Fax(415) 600-3451
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2000
Enumeration DateJuly 16, 2006
Last NPPES UpdateMay 7, 2019
✔ NPI 1578580445 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 · A78443
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 A78443 (CA)
2340 CLAY ST, San Francisco, CA 94115
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Other Identifiers 1

Medicaid00A784430CA

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

Pam Grewall M.d. 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 ID9335188820
PECOS Enrollment IDI20050425000888
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 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.
182 services97 patients
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.
98 services63 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.
69 services69 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.
50 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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.

Referred Medical Equipment & Supplies CMS DME claims 3

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
1 supplier13 claims13 services$13.82 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
1 supplier25 claims25 services$60.77 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$30.30 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JOHN T TSUKAHARA M.D.
Pediatrics
2340 CLAY ST, 3RD FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-1111
GUY LUBLINER M.D.
Hospitalist
2340 CLAY ST, 2ND FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-3458
CALIFORNIA PACIFIC MEDICAL CENTER
General Acute Care Hospital
2340 CLAY ST, 5TH FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (917) 553-7684
LYNN SIEVERS N.P.
Nurse Practitioner (Family)
2340 CLAY ST, SUITE 537
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-1099
DR. JEREMY ELIJAH BORNSTEIN PH.D.
Clinical Neuropsychologist
2340 CLAY ST, 7TH FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 449-6440
MARIA FERNANDEZ M.D.
Psychiatry & Neurology (Psychiatry)
2340 CLAY ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-3510
SUTTER WEST BAY HOSPITALS
General Acute Care Hospital
2340 CLAY ST, 5TH FLOOR, OPHTHALMOLOGY DEPARTMENT
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-3901
SUTTER WEST BAY MEDICAL FOUNDATION
Family Medicine
2340 CLAY ST, FLOORS 1-5 AND 7
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-1000

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 Pam Grewall's NPI number?

The NPI number for Pam Grewall is 1578580445. It was assigned to this individual provider in the NPPES registry on July 16, 2006.

Where is Pam Grewall located?

Pam Grewall practices at 2340 Clay St 2nd Floor, San Francisco, CA 94115. The listed phone number is (415) 600-3458.

What is Pam Grewall's specialty?

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

Is Pam Grewall enrolled in Medicare?

Yes. Pam Grewall 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 Pam Grewall was last updated on May 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.