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ALLISON LAM MD
NPI 1093759235
Emergency Medicine in Belleville, NJ

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
CLARA MAASS MEDICAL CENTER, 1 CLARA MAASS DRIVE, BELLEVILLE, NJ 07109(973) 450-2000 Get Directions Write a Review

NPPES record last updated: September 3, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 3, 2025, Dec 1, 2015 (2 updates tracked since 2015).

About Allison Lam Md NPPES

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

ALLISON LAM MD (NPI 1093759235) is an individual emergency medicine provider in Belleville, New Jersey, licensed in New Jersey (25MA07318500) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1994).

NPPES Registry Identity

NPI1093759235
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameALLISON LAMCredential: MD
Location AddressCLARA MAASS MEDICAL CENTER, 1 CLARA MAASS DRIVEBelleville, NJ 07109
Mailing AddressPo Box 717Livingston, NJ 07039-0717 · (973) 740-0607
Phone(973) 450-2000
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1994
Enumeration DateJune 16, 2006
Last NPPES UpdateSeptember 3, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 3, 2025
✔ NPI 1093759235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NJ · 25MA07318500
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedPreventive Medicine · Obesity MedicineTaxonomy 2083B0002X · License 25MA07318500 (NJ)
CLARA MAASS MEDICAL CENTER, Belleville, NJ 07109
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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

Allison Lam 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 ID8628130549
PECOS Enrollment IDI20250421002447, I20250422002283
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 Allison Lam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stratum Of PA PC
54 mi
Nurse Practitioner
55 BROADWAY STE R
Bangor, PA 18013
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2 clinicians in this Medicare group
NPI 1720939192 (484) 276-3277
Telescope Health Medical Group, P.A.
835 mi
Emergency Medicine
841 PRUDENTIAL DR UNIT 1410
Jacksonville, FL 32207
  • Reassigned Medicare billing, Florida enrollment
  • 29 clinicians in this Medicare group
NPI 1447056411 (904) 373-5304
Geniemd Medical Group, Mo, P.C.
2,554 mi
Internal Medicine
1111 BROADWAY STE 300
Oakland, CA 94607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Geniemd Medical Group Mo PC
  • 62 clinicians in this Medicare group
NPI 1639710643 (925) 460-9191

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 8

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 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.
141 services122 patients
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428
This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.
71 services67 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
42 services42 patients
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880
A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.
30 services28 patients
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.
29 services29 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07109 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
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.

Other Providers at the Same Location NPPES

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

SUZETTE GRAY CNM
Advanced Practice Midwife
CLARA MAASS MEDICAL CENTER, 1 CLARA MAASS DRIVE
BELLEVILLE, NJ 07109
Essex County (973) 450-2000

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 Allison Lam's NPI number?

The NPI number for Allison Lam is 1093759235. It was assigned to this individual provider in the NPPES registry on June 16, 2006.

Where is Allison Lam located?

Allison Lam practices at Clara Maass Medical Center 1 Clara Maass Drive, Belleville, NJ 07109. The listed phone number is (973) 450-2000.

What is Allison Lam's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Allison Lam enrolled in Medicare?

Yes. Allison Lam 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 Allison Lam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allison Lam reassigns Medicare benefits to 3 organizations: Stratum Of PA PC (Bangor, PA), Telescope Health Medical Group, P.A. (Jacksonville, FL) and Geniemd Medical Group, Mo, P.C. (Oakland, 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 Allison Lam'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 Allison Lam was last updated on September 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.