1. Home
  2. Directory
  3. New York
  4. Brooklyn
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SHAWN JAY KRISHNAN
NPI 1427636638
Internal Medicine in Brooklyn, NY

Active since March 30, 2021PECOS EnrolledAccepts Medicare Assignment
506 6TH ST, BROOKLYN, NY 11215(718) 780-3000 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 13, 2026, Mar 30, 2021 (2 updates tracked since 2021).

About Shawn Jay Krishnan NPPES

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

SHAWN JAY KRISHNAN (NPI 1427636638) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (335674) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains a secondary practice location in San Diego.

NPPES Registry Identity

NPI1427636638
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSHAWN JAY KRISHNAN
Location Address506 6TH STBrooklyn, NY 11215-3609
Mailing Address2649 Strang Blvd Ste 304Yorktown Heights, NY 10598-2938
Phone(718) 780-3000
Sole ProprietorNo
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2021
Enumeration DateMarch 30, 2021
Last NPPES UpdateOctober 13, 20262 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1427636638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 335674
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
506 6TH ST, Brooklyn, NY 11215
Open in Google Maps ↗

Secondary Practice Location 1

Location 1200 W Arbor DrSan Diego, CA 92103-9000 · Phone (619) 471-0434

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

Shawn Jay Krishnan 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 ID6002305968
PECOS Enrollment IDI20251030002147
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 Shawn Krishnan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Weill Medical College Of Cornell
1.8 mi
Rheumatology
186 JORALEMON ST
Brooklyn, NY 11201
  • Reassigned Medicare billing, New York enrollment
  • 980 clinicians in this Medicare group
NPI 1619364957 (718) 858-3263

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330101
Location525 East 68th StreetNew York, NY 10065 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11215 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.

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. VIVIAN JOLLEY BEA M.D.
Surgery
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3288
YANJIN YANG
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000
JOY THERESE MULLEN RN, NP
Nurse Practitioner (Adult Health)
506 6TH ST, EP2
BROOKLYN, NY 11215
Kings County (718) 780-5040
ASHWAD AFZAL M.D.
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5246
DR. DANIAH ALBOKHARI M.D.
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
SASIS SIRIKANJANAPONG
Pathology (Anatomic Pathology)
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3634
DR. DANIELLE ABADI MD
Pediatrics
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
KOREN H KWAG MD
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000

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 Shawn Krishnan's NPI number?

The NPI number for Shawn Krishnan is 1427636638. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is Shawn Krishnan located?

Shawn Krishnan practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3000.

What is Shawn Krishnan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Shawn Krishnan enrolled in Medicare?

Yes. Shawn Krishnan 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 organization bills Medicare for Shawn Krishnan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shawn Krishnan reassigns Medicare benefits to Weill Medical College Of Cornell (Brooklyn, NY). 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 Shawn Krishnan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Shawn Krishnan affiliated with any hospitals?

According to CMS data, Shawn Krishnan is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Shawn Krishnan was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.