DR. MAGGIE J SO M.D.
NPI 1487887105
Internal Medicine in San Francisco, CA

Active since August 27, 2009PECOS EnrolledAccepts Medicare Assignment
97.22/100
CMS Quality Rating
2351 CLAY ST STE 360, SAN FRANCISCO, CA 94115(415) 600-6000 Get Directions Write a Review

NPPES record last updated: July 3, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Maggie J So M.d. NPPES

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

DR. MAGGIE J SO M.D. (NPI 1487887105) is an individual internal medicine provider in San Francisco, California, licensed in California (A102991) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2006).

NPPES Registry Identity

NPI1487887105
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MAGGIE J SOCredential: M.D.
Location Address2351 CLAY ST STE 360San Francisco, CA 94115-1931
Mailing Address2351 Clay St Ste 360San Francisco, CA 94115-1931 · (415) 600-6000
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2006
Enumeration DateAugust 27, 2009
Last NPPES UpdateJuly 3, 2013
NPI 1487887105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A102991
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2351 CLAY ST STE 360, San Francisco, CA 94115

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

Dr. Maggie J So 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 ID244369049
PECOS Enrollment IDI20100603000071
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 2

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.
139 services55 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.
38 services38 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.33
Promoting Interoperability100
Improvement Activities40
Cost69.53

Other Providers at the Same Location NPPES 2

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

Internal Medicine
2351 CLAY ST STE 360
SAN FRANCISCO, CA 94115
Internal Medicine
2351 CLAY ST STE 360
SAN FRANCISCO, CA 94115

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 Maggie So's NPI number?

The NPI number for Maggie So is 1487887105. It was assigned to this individual provider in the NPPES registry on August 27, 2009.

Where is Maggie So located?

Maggie So practices at 2351 Clay St Ste 360, San Francisco, CA 94115. The listed phone number is (415) 600-6000.

What is Maggie So's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maggie So enrolled in Medicare?

Yes. Maggie So 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 Maggie So was last updated on July 3, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.