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DR. MARK A SONNICK M.D.
NPI 1649701855
Internal Medicine - Pulmonary Disease in New York, NY

Active since March 21, 2017PECOS EnrolledAccepts Medicare Assignment
525 E 68TH ST # M-532, NEW YORK, NY 10065(212) 746-3580(212) 746-8143 Get Directions Write a Review

NPPES record last updated: November 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 10, 2020, Mar 23, 2017 (2 updates tracked since 2017).

About Dr. Mark A Sonnick M.d. NPPES

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

DR. MARK A SONNICK M.D. (NPI 1649701855) is an individual pulmonary disease provider in New York, New York, licensed in New York (295606) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1649701855
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. MARK A SONNICKCredential: M.D.
Location Address525 E 68TH ST # M-532New York, NY 10065-4870
Mailing Address505 E 70th St, Ht-4New York, NY 10021-4872 · (212) 746-3587 · Fax (212) 746-8051
Phone(212) 746-3580
Fax(212) 746-8143
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 21, 2017
Last NPPES UpdateNovember 25, 20242 updates tracked since enumeration
NPPES CertifiedNovember 25, 2024
✔ NPI 1649701855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in NY · 295606
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 295606 (NY)
Also ListedHospitalistTaxonomy 208M00000X · License 295606 (NY)
525 E 68TH ST # M-532, New York, NY 10065
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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

Dr. Mark A Sonnick 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 ID4385982750
PECOS Enrollment IDI20200910001474
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

2

Medicare enrollment records show Mark Sonnick reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Weill Medical College Of Cornell
Same address
Neurological Surgery
525 E 68TH ST
New York, NY 10065
  • Reassigned Medicare billing, New York enrollment
  • 980 clinicians in this Medicare group
NPI 1326088675 (212) 746-4684
New York University
1,041 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 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.

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.
77 services21 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.
36 services16 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
27 services11 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10065 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.

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 Mark Sonnick's NPI number?

The NPI number for Mark Sonnick is 1649701855. It was assigned to this individual provider in the NPPES registry on March 21, 2017.

Where is Mark Sonnick located?

Mark Sonnick practices at 525 E 68th St # M-532, New York, NY 10065. The listed phone number is (212) 746-3580.

What is Mark Sonnick's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mark Sonnick enrolled in Medicare?

Yes. Mark Sonnick 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 Mark Sonnick's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sonnick reassigns Medicare benefits to 2 organizations: Weill Medical College Of Cornell (New York, NY) and New York University (Boynton Beach, FL). 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 Mark Sonnick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Sonnick affiliated with any hospitals?

According to CMS data, Mark Sonnick is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Mark Sonnick was last updated on November 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.