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DR. VINCENT KEN LEW M.D.
NPI 1770899940
Anesthesiology in San Francisco, CA

Active since August 26, 2010PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
513 PARNASSUS AVENUE, S-436, SAN FRANCISCO, CA 94143(541) 619-8085 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Vincent Ken Lew M.d. NPPES

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

DR. VINCENT KEN LEW M.D. (NPI 1770899940) is an individual anesthesiology provider in San Francisco, California, licensed in California (A115534) and active in the NPI registry since August 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Oregon Health Sciences University School Of Medicine (2009).

NPPES Registry Identity

NPI1770899940
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. VINCENT KEN LEWCredential: M.D.
Location Address513 PARNASSUS AVENUE, S-436San Francisco, CA 94143-0427
Mailing Address513 Parnassus Avenue, S-436San Francisco, CA 94143-0427
Phone(541) 619-8085
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2009
Enumeration DateAugust 26, 2010
Last NPPES UpdateApril 24, 2026
NPPES CertifiedApril 24, 2026
✔ NPI 1770899940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A115534
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License A115534 (CA)
513 PARNASSUS AVENUE, S-436, San Francisco, CA 94143
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Secondary Practice Location 1

Location 11001 Potrero Ave Rm 3C34San Francisco, CA 94110-3518 · Phone (628) 206-8000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Vincent Ken Lew 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 ID3274756903
PECOS Enrollment IDI20140527000384
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Vincent Lew reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Anesthesia Medical Group
0.1 mi
Anesthesiology
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 723 clinicians in this Medicare group
NPI 1528137296 (415) 476-1000
City & County Of San Francisco
1.1 mi
Mental Health (Including Community Mental Health Center)
375 LAGUNA HONDA BLVD
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1528083300 (415) 759-3348
University Of California Sfgh Medical Group
3.0 mi
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 clinicians in this Medicare group
NPI 1174598296 (628) 206-8610

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
48 services19 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
25 services25 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
13 services12 patients

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

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 Vincent Lew's NPI number?

The NPI number for Vincent Lew is 1770899940. It was assigned to this individual provider in the NPPES registry on August 26, 2010.

Where is Vincent Lew located?

Vincent Lew practices at 513 Parnassus Avenue, S-436, San Francisco, CA 94143. The listed phone number is (541) 619-8085.

What is Vincent Lew's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Vincent Lew enrolled in Medicare?

Yes. Vincent Lew 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.

Which organizations bill Medicare for Vincent Lew's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vincent Lew reassigns Medicare benefits to 3 organizations: University Anesthesia Medical Group (San Francisco, CA), City & County Of San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vincent Lew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Vincent Lew was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.