MARCUS L WILLIAMS M.D. NPI 1467526525

NPI Information

  • NPI: 1467526525
  • Provider Name: MARCUS L WILLIAMS, M.D.
  • Classification: Internal Medicine - 207RC0000X
  • Specialization: Cardiovascular Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 10-14 SADDLE RIVER RD
    FAIR LAWN, NJ
    ZIP 07410
  • Phone: (551) 246-3008

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NPI Details

Marcus L Williams, M.D. is a cardiovascular disease internal medicine in Fair Lawn, NJ with 44 years of experience. The provider is an internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms. Marcus L Williams, M.D. NPI is 1467526525. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

10-14 SADDLE RIVER RD
FAIR LAWN, NJ
ZIP 07410-728
Phone: (551) 246-3008
Fax: (201) 703-1100

The NPI 1467526525 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS:99490)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Anticoagulant management of patient taking warfarin (HCPCS:93793)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Assessment of emotional or behavioral problems (HCPCS:96127)
  • Smoking and tobacco use intensive counseling, 4-10 minutes (HCPCS:99406)
  • Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan (HCPCS:78431)
  • Nuclear medicine study of heart muscle blood flow by pet (HCPCS:78434)
  • Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days (HCPCS:99091)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) (HCPCS:93017)
  • Annual depression screening, 15 minutes (HCPCS:G0444)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Electrocardiogram (ecg) 2-day continuous with review and report by health care professional (HCPCS:93224)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (HCPCS:93018)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (HCPCS:93015)
  • Physician documentation of face-to-face visit for durable medical equipment determination performed by nurse practitioner, physician assistant or clinical nurse specialist (HCPCS:G0454)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • Nuclear medicine studies of heart muscle at rest and with stress and spect (HCPCS:78452)
  • Heart rhythm recording continous external ekg over more than 48 hours up to 7 days (HCPCS:93242)
  • Technetium tc-99m sestamibi, diagnostic, per study dose (HCPCS:A9500)
  • Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring (HCPCS:93270)
  • Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional (HCPCS:93272)
  • Sleep study including heart rate, breathing, and sleep time (HCPCS:95800)

The enumeration date for this NPI number is 11/20/2006 and was last updated on 3/23/2017.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RI0011XInternal MedicineInterventional Cardiology25MA06503600NEW JERSEYNo
2207RC0000XInternal MedicineCardiovascular Disease25MA06503600NEW JERSEYYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1951543MEDICARE PINNEW JERSEY
20541281MEDICAIDNEW JERSEY
3D26865MEDICARE UPIN

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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