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JACQUELYN JO MAHER MD
NPI 1457454951
Internal Medicine - Gastroenterology in San Francisco, CA

Active since September 07, 2006PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
1001 POTRERO AVENUE, RM 3D5, SAN FRANCISCO, CA 94110(415) 206-8822(415) 206-5199 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Jacquelyn Jo Maher Md NPPES

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

JACQUELYN JO MAHER MD (NPI 1457454951) is an individual gastroenterology provider in San Francisco, California, licensed in California (G49955) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1979).

NPPES Registry Identity

NPI1457454951
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameJACQUELYN JO MAHERCredential: MD
Location Address1001 POTRERO AVENUE, RM 3D5San Francisco, CA 94110-3518
Mailing AddressPo Box 7464San Francisco, CA 94120-7464 · (415) 206-3103 · Fax (415) 206-3872
Phone(415) 206-8822
Fax(415) 206-5199
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1979
Enumeration DateSeptember 7, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1457454951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · G49955
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1001 POTRERO AVENUE, San Francisco, CA 94110
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified00G499550CA
Medicare UPINA51518
Medicaid00G499550CA

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

Jacquelyn Jo Maher Md 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 ID3971667684
PECOS Enrollment IDI20090126000010
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 6

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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
40 services39 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.
27 services26 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.
27 services19 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.
20 services15 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
16 services16 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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.

91.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.53
Promoting Interoperability100
Improvement Activities40
Cost68.01

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.

PWINT PHYU KHINE D.O.
Radiology (Diagnostic Radiology)
1001 POTRERO AVENUE, BLDG. 5, 1ST FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8020
JOYCE SESE DORADO PH D
Psychologist (Clinical)
1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5612
STEPHANIE SHEREENA HERNANDEZ
Community Health Worker
1001 POTRERO AVENUE, BUILDING 90 WARD 94
SAN FRANCISCO, CA 94110
San Francisco County (415) 373-7119
CITY AND COUNY OF SAN FRANCISCO
Nuclear Medicine
1001 POTRERO AVENUE, RM G100
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8580
URMIMALA SARKAR MD
Internal Medicine
1001 POTRERO AVENUE, RM 5H22
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8317
RENA MEI MD
Internal Medicine (Gastroenterology)
1001 POTRERO AVENUE, BUILDING 5, 3RD FLOOR, SUITE 3D
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8823
MICHAEL HARRINGTON HUMPHREYS MD
Internal Medicine
1001 POTRERO AVENUE, BLDG 100 RM 350
SAN FRANCISCO, CA 94110
San Francisco County (415) 476-4617
LLOYD JOSEPH KING MD
Psychiatry & Neurology (Psychiatry)
1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5612

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 Jacquelyn Maher's NPI number?

The NPI number for Jacquelyn Maher is 1457454951. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Jacquelyn Maher located?

Jacquelyn Maher practices at 1001 Potrero Avenue Rm 3d5, San Francisco, CA 94110. The listed phone number is (415) 206-8822.

What is Jacquelyn Maher's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Jacquelyn Maher enrolled in Medicare?

Yes. Jacquelyn Maher 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 Jacquelyn Maher was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.