JUSTIN AHN M.D.
NPI 1063755148
Urology in San Francisco, CA

Q: What is Justin Ahn's NPI number?

The NPI number for Justin Ahn is 1063755148. It was assigned to this individual provider in the NPPES registry on March 27, 2013.

Q: What is Justin Ahn's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for Justin Ahn was last updated on January 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 27, 2013PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

400 PARNASSUS AVE, # A610, SAN FRANCISCO, CA 94143(415) 885-7748 Get Directions Write a Review

NPPES record last updated: January 16, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 16, 2020, May 14, 2019 (2 updates tracked since 2019).

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About Justin Ahn M.d. NPPES

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

JUSTIN AHN M.D. (NPI 1063755148) is an individual urology provider in San Francisco, California, licensed in California (A160202) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2013).

NPPES Registry Identity

NPI1063755148

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameJUSTIN AHNCredential: M.D.

Location Address400 PARNASSUS AVE, # A610San Francisco, CA 94143-2202

Mailing Address400 Parnassus Ave, # A610San Francisco, CA 94143-2202

Phone(415) 885-7748

Sole ProprietorYes

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2013

Enumeration DateMarch 27, 2013

Last NPPES UpdateJanuary 16, 20202 updates tracked since enumeration

✔ NPI 1063755148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in CA · A160202

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

400 PARNASSUS AVE, San Francisco, CA 94143

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

Justin Ahn 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 ID446578751

PECOS Enrollment IDI20191028002588

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 18

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

330 services179 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

105 services78 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

81 services81 patients

Electronic assessment of bladder emptying 51741

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

69 services59 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

61 services58 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

58 services51 patients

Complete laser fragmentation of prostate including control of bleeding using an endoscope 52649

This procedure involves using a special scope and a laser to break down an enlarged gland in the lower body, improving comfort and function. It also includes managing any bleeding that may occur during this process.

37 services36 patients

Ultrasound scan of pelvic region through rectum 76872

An ultrasound scan of the pelvic region through the rectum is a medical procedure where a small, smooth device is gently inserted into the rectum. This device uses sound waves to create images of the internal structures in the lower abdomen, aiding in diagnosis and treatment planning.

35 services35 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

28 services27 patients

Imaging of urinary tract following injection of a contrast agent 74420

This procedure involves injecting a contrast agent into your body to help highlight the urinary tract during imaging. The contrast agent makes your urinary tract more visible on the images, providing detailed information about its structure and function. This can help in diagnosing any potential issues.

27 services22 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

27 services27 patients

Crushing of stone of ureter with insertion of stent using an endoscope 52356

This procedure involves using a thin, flexible tube (endoscope) to locate and break down kidney stones in the ureter. After this, a small tube (stent) is inserted to help maintain an open pathway for urine to flow.

20 services18 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

17 services16 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 51784

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

14 services14 patients

Insertion of device into abdomen with pressure and urine flow rate study 51797

This procedure involves placing a small device into your abdomen to monitor pressure and urine flow rates. It helps in understanding how well your body is processing and eliminating liquid waste. It's a safe procedure, typically performed under local anesthesia.

14 services14 patients

Crushing, fragmenting, and removal of bladder stones, less than 2.5 cm 52317

This procedure involves breaking down and removing small stones found in your bladder. The stones are first crushed into smaller pieces, then removed to help alleviate discomfort and prevent further complications.

14 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

14 services12 patients

Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies 51729

This procedure helps to measure the pressure inside your bladder while passing fluid. It checks how well your bladder and the tube that carries fluid from your bladder are working. It's important for diagnosing issues with fluid flow and storage.

13 services13 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

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

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.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

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.

DR. ALEJANDRA GABRIELA DE ALBA CAMPOMANES MD, MPH

Ophthalmology

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2560

DR. MARISSA A BOECK M.D.

Surgery (Surgical Critical Care)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2161

DR. JACQUELINE EVA WEINSTEIN M.D.

Otolaryngology (Pediatric Otolaryngology)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1000

TIFFANY PONG ROSS PA-C

Physician Assistant

400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2739

SHINTARO TATEBE MSPT

Physical Therapist

400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8574

DR. YVONNE W WU MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2813

DR. DAVID S. BRADFORD MD

Orthopaedic Surgery

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2739

DR. SANG-MO KANG MD

Surgery

400 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1551

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 Justin Ahn's NPI number?

The NPI number for Justin Ahn is 1063755148. It was assigned to this individual provider in the NPPES registry on March 27, 2013.

Where is Justin Ahn located?

Justin Ahn practices at 400 Parnassus Ave # A610, San Francisco, CA 94143. The listed phone number is (415) 885-7748.

What is Justin Ahn's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Justin Ahn enrolled in Medicare?

Yes. Justin Ahn 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 Justin Ahn was last updated on January 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.