DR. ALEXANDER JOACHIM SLOTWINER M.D.
NPI 1831309517
Internal Medicine - Interventional Cardiology in New York, NY

Active since May 23, 2007PECOS EnrolledAccepts Medicare Assignment
111 BROADWAY FL 2, NEW YORK, NY 10006(212) 263-9700 Get Directions Write a Review

NPPES record last updated: April 2, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Alexander Joachim Slotwiner M.d. NPPES

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

DR. ALEXANDER JOACHIM SLOTWINER M.D. (NPI 1831309517) is an individual interventional cardiology provider in New York, New York, licensed in New York (228032) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1831309517
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. ALEXANDER JOACHIM SLOTWINERCredential: M.D.
Location Address111 BROADWAY FL 2New York, NY 10006-1995
Mailing Address450 N End Ave, Apt 22 BNew York, NY 10282-1105 · (212) 513-1090
Sole ProprietorYes
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2000
Enumeration DateMay 23, 2007
Last NPPES UpdateApril 2, 2021
NPPES CertifiedApril 2, 2021
✔ NPI 1831309517 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in NY · 228032
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
111 BROADWAY FL 2, New York, NY 10006

Secondary Practice Location 1

Location 1New York Downtown Hospital, 170 William StreetNew York, NY 10038-2649 · Phone (212) 238-0125

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. Alexander Joachim Slotwiner 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 ID345341889
PECOS Enrollment IDI20070727000097
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

6

Medicare enrollment records show Alexander Slotwiner reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
530 1ST AVE
New York, NY 10016
  • Reassigned Medicare billing, New York enrollment
  • 616 clinicians in this Medicare group
Gastroenterology
525 E 68TH ST
New York, NY 10021
  • Reassigned Medicare billing, New York enrollment
  • Also billed through NPI 1336510643 (New York)
  • 271 clinicians in this Medicare group
Internal Medicine
100 HOSPITAL DR
Louisburg, NC 27549
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Novant Health Medical Group, LLC
  • 2,998 clinicians in this Medicare group
Cardiovascular Disease
911 W HENDERSON ST, SUITE 230
Salisbury, NC 28144
  • Reassigned Medicare billing, North Carolina enrollment
  • Medicare enrollment name: Novant Health Rowan Medical Center LLC
  • 686 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
8201 HEALTHCARE LOOP
Charlotte, NC 28215
  • Reassigned Medicare billing, North Carolina enrollment
  • 703 clinicians in this Medicare group
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group

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 17

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.

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.
1,165 services828 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.
671 services419 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
213 services205 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
185 services184 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
98 services88 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.
91 services88 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 10006 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 14

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

Internal Medicine
111 BROADWAY FL 2
NEW YORK, NY 10006
Emergency Medicine
111 BROADWAY FL 2
NEW YORK, NY 10006
Internal Medicine
111 BROADWAY FL 2
NEW YORK, NY 10006
Internal Medicine
111 BROADWAY FL 2
NEW YORK, NY 10006
Family Medicine
111 BROADWAY FL 2
NEW YORK, NY 10006
Internal Medicine (Endocrinology, Diabetes & Metabolism)
111 BROADWAY FL 2
NEW YORK, NY 10006
Nurse Practitioner (Family)
111 BROADWAY FL 2
NEW YORK, NY 10006
Emergency Medicine
111 BROADWAY FL 2
NEW YORK, NY 10006

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 Alexander Slotwiner's NPI number?

The NPI number for Alexander Slotwiner is 1831309517. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Where is Alexander Slotwiner located?

Alexander Slotwiner practices at 111 Broadway Fl 2, New York, NY 10006. The listed phone number is (212) 263-9700.

What is Alexander Slotwiner's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Alexander Slotwiner enrolled in Medicare?

Yes. Alexander Slotwiner 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 Alexander Slotwiner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Slotwiner reassigns Medicare benefits to 6 organizations: Nyu Langone Hospitals (New York, NY), Weill Medical College Of Cornell (New York, NY), Novant Medical Group Inc (Louisburg, NC), Rowan Regional Medical Center (Salisbury, NC), Novant Health Mint Hill Medical Center, LLC (Charlotte, NC) and 1 more organization, listed in the Medicare section above. 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 Alexander Slotwiner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alexander Slotwiner affiliated with any hospitals?

According to CMS data, Alexander Slotwiner is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Alexander Slotwiner was last updated on April 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.