DR. MATTHEW C LAM MD
NPI 1932728219
Hospitalist in New York, NY

Q: What is Matthew Lam's NPI number?

The NPI number for Matthew Lam is 1932728219. It was assigned to this individual provider in the NPPES registry on April 16, 2020.

Q: What is Matthew Lam's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Lam was last updated on September 18, 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.

Active since April 16, 2020PECOS Enrolled

550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: September 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 10, 2023, Apr 16, 2020 (2 updates tracked since 2020).

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About Dr. Matthew C Lam Md NPPES

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

DR. MATTHEW C LAM MD (NPI 1932728219) is an individual hospitalist provider in New York, New York, licensed in New York (317317) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932728219

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. MATTHEW C LAMCredential: MD

Location Address550 1ST AVENew York, NY 10016-6402

Mailing Address550 1st AveNew York, NY 10016-6402 · (212) 263-5506

Phone(212) 263-5506

Sole ProprietorNo

Enumeration DateApril 16, 2020

Last NPPES UpdateSeptember 18, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 18, 2023

✔ NPI 1932728219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in NY · 317317

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License 317317 (NY)

550 1ST AVE, New York, NY 10016

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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 (PECOS)

Dr. Matthew C Lam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Matthew Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University

1,039 mi

Cardiovascular Disease

3301 QUANTUM BLVD
Boynton Beach, FL 33426

Reassigned Medicare billing, New York enrollment
7,712 clinicians in this Medicare group

NPI 1285826438 (877) 648-2964

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 5

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.

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.

224 services93 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.

82 services37 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

58 services57 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

25 services25 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.

17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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

$150.24 typical visit price

range $65.69 – $198.19

Typical copayment $37.56 (range $16.42 – $49.54)

Most-billed visit code 99204

Established Patient

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

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 20

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

DR. SHARON URALIL D.O.

Internal Medicine

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-3293

DR. DIANA TREVAS FLEISHER

Emergency Medicine (Pediatric Emergency Medicine)

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-3293

DR. MONICA GUPTA M.D.

Allergy & Immunology

550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016

New York County (212) 263-6397

CHRISTINE CHAN M.D.

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

DR. MATTHEW CHIARELLO MD

Radiology (Vascular & Interventional Radiology)

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

DR. MEGAN ELIZABETH JENKINS M.D.

Surgery

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-7300

DR. MANAN PATEL M.D.

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

VICKY CHIANG

Student in an Organized Health Care Education/Training Program

550 1ST AVE
NEW YORK, NY 10016

New York County (212) 263-5506

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 Matthew Lam's NPI number?

The NPI number for Matthew Lam is 1932728219. It was assigned to this individual provider in the NPPES registry on April 16, 2020.

Where is Matthew Lam located?

Matthew Lam practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.

What is Matthew Lam's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Matthew Lam enrolled in Medicare?

Yes. Matthew Lam is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Matthew Lam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Lam reassigns Medicare benefits to New York University (Boynton Beach, FL). The 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 Matthew 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 Matthew Lam was last updated on September 18, 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.