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DR. JENNIFER C LAI M.D., M.B.A.
NPI 1649397241
Internal Medicine - Transplant Hepatology in San Francisco, CA

Active since March 26, 2007PECOS EnrolledAccepts Medicare Assignment
350 PARNASSUS AVE, 3RD FLOOR, SAN FRANCISCO, CA 94117(415) 353-2318(415) 353-2407 Get Directions Write a Review

NPPES record last updated: August 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jennifer C Lai M.d., M.b.a. NPPES

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

DR. JENNIFER C LAI M.D., M.B.A. (NPI 1649397241) is an individual transplant hepatology provider in San Francisco, California, licensed in California (A101839) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Tufts University School Of Medicine (2005).

NPPES Registry Identity

NPI1649397241
Entity TypeIndividualFemale
Primary Taxonomy207RT0003X
Provider Legal NameDR. JENNIFER C LAICredential: M.D., M.B.A.
Location Address350 PARNASSUS AVE, 3RD FLOORSan Francisco, CA 94117-3608
Mailing Address513 Parnassus Ave, S-357San Francisco, CA 94143-2205 · (415) 353-2318
Phone(415) 353-2318
Fax(415) 353-2407
Sole ProprietorYes
Medical School CMSTufts University School Of MedicineGraduated 2005
Enumeration DateMarch 26, 2007
Last NPPES UpdateAugust 6, 2023
NPPES CertifiedAugust 6, 2023
✔ NPI 1649397241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Transplant HepatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RT0003X
License✔ Licensed in CA · A101839
Definition
An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.
Also ListedInternal MedicineTaxonomy 207R00000X · License A101839 (CA), 243395 (NY)
350 PARNASSUS AVE, 3RD FLOOR, San Francisco, CA 94117
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Secondary Practice Location 1

Location 1513 Parnassus Ave, S-357San Francisco, CA 94143-2205 · Phone (415) 353-2318

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. Jennifer C Lai M.d., M.b.a. 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 ID6608039490
PECOS Enrollment IDI20120514000683
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

4

Medicare enrollment records show Jennifer Lai reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
0.1 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
0.1 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
Regents Of The University Of California
0.2 mi
Endocrinology, Diabetes & Metabolism
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
NPI 1376613943 (415) 353-2350
Ucsf Dept Of Surgery
0.2 mi
Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 clinicians in this Medicare group
NPI 1477627537 (415) 353-2161

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 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.

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.
67 services43 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.
38 services18 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.
30 services30 patients
Measurement of liver stiffness 91200
Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.
12 services12 patients

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 Jennifer Lai's NPI number?

The NPI number for Jennifer Lai is 1649397241. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Jennifer Lai located?

Jennifer Lai practices at 350 Parnassus Ave, 3rd Floor, San Francisco, CA 94117. The listed phone number is (415) 353-2318.

What is Jennifer Lai's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Transplant Hepatology, with taxonomy code 207RT0003X.

Is Jennifer Lai enrolled in Medicare?

Yes. Jennifer Lai 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 Jennifer Lai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Lai reassigns Medicare benefits to 4 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Regents Of The University Of California (San Francisco, CA) and Ucsf Dept Of Surgery (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 Jennifer Lai'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 Jennifer Lai was last updated on August 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.