DR. MARC DAVID LONDON M.D.
NPI 1720140767
Psychiatry & Neurology - Neurology in West Nyack, NY

Q: What is Marc London's NPI number?

The NPI number for Marc London is 1720140767. It was assigned to this individual provider in the NPPES registry on December 15, 2006.

Q: What is Marc London's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Marc London was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 December 15, 2006PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

2 CROSFIELD AVE STE 202, WEST NYACK, NY 10994(845) 353-4344(845) 348-1873 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Marc David London M.d. NPPES

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

DR. MARC DAVID LONDON M.D. (NPI 1720140767) is an individual neurology provider in West Nyack, New York, licensed in New York (154602) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Nyack Hospital, and is a graduate of Northwestern University Feinberg Medical School (1982).

NPPES Registry Identity

NPI1720140767

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. MARC DAVID LONDONCredential: M.D.

Location Address2 CROSFIELD AVE STE 202West Nyack, NY 10994-2219

Mailing Address2 Crosfield Ave Ste 202West Nyack, NY 10994-2219 · (845) 353-4344 · Fax (845) 348-1873

Phone(845) 353-4344

Fax(845) 348-1873

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1982

Enumeration DateDecember 15, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1720140767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in NY · 154602

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

2 CROSFIELD AVE STE 202, West Nyack, NY 10994

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Other Identifiers 11

Other000000008354NY · Ghi Hmo

Medicare UPINA63671NY

Other1000017387NY · Affinity

Other3850735-002NY · Cigna

OtherRS156NY · Oxford

Medicare ID-Type Unspecified066D10NY

Other958837NY · Mvp

Other66D101NY · Blue Choice

Other122304NY · Us Healthcare

Other4199225NY · Aetna

Medicaid00956818-03NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marc David London 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 ID6800827841

PECOS Enrollment IDI20060118001031

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.

Areas of Expertise CMS Part B claims 12

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 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.

359 services263 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

196 services196 patients

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.

152 services119 patients

Complete ultrasound of within the brain blood flow 93886

A complete ultrasound of brain blood flow, also known as a Transcranial Doppler, is a non-invasive procedure that uses sound waves to measure the speed and direction of blood flow in the brain. This helps detect any abnormalities or blockages.

94 services92 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

83 services81 patients

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 services62 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.

65 services65 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.

39 services39 patients

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.

35 services31 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

29 services28 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

27 services27 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

27 services27 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Nyack Hospital

Acute Care Hospitals · Nyack, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330104

Location160 North Midland AvenueNyack, NY 10960 · Rockland County

Birthing friendly

Good Samaritan Hospital Of Suffern

Acute Care Hospitals · Suffern, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330158

Location255 Lafayette AvenueSuffern, NY 10901 · Rockland County

Emergency services Birthing friendly

Helen Hayes Hospital

Acute Care Hospitals · West Haverstraw, NY

OwnershipGovernment - State

CMS Certification Number330405

Location51 North Route 9WWest Haverstraw, NY 10993 · Rockland County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10994 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

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.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Other Providers at the Same Location NPPES 2

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

LAURA ANN GARCIA ACNP

Nurse Practitioner (Acute Care)

2 CROSFIELD AVE STE 202
WEST NYACK, NY 10994

Rockland County (845) 353-4344

DR. EARL ZEITLIN M.D.

Psychiatry & Neurology (Neurology)

2 CROSFIELD AVE STE 202
WEST NYACK, NY 10994

Rockland County (845) 353-4344

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 Marc London's NPI number?

The NPI number for Marc London is 1720140767. It was assigned to this individual provider in the NPPES registry on December 15, 2006.

Where is Marc London located?

Marc London practices at 2 Crosfield Ave Ste 202, West Nyack, NY 10994. The listed phone number is (845) 353-4344.

What is Marc London's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Marc London enrolled in Medicare?

Yes. Marc London 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.

Is Marc London affiliated with any hospitals?

According to CMS data, Marc London is affiliated with Nyack Hospital, Good Samaritan Hospital Of Suffern and Helen Hayes Hospital.

When was this NPI record last updated?

The NPPES record for Marc London was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.