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PURPLE CIRCLE PHYSICIAN PC
NPI 1871207555
Preventive Medicine - Obesity Medicine in New York, NY

Active since January 09, 2023CLIA 33D2339296 · Waiver
9 E 37TH ST, NEW YORK, NY 10016(833) 764-5768 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 28, 2026, Mar 25, 2025, Nov 14, 2023 and 1 more (4 updates tracked since 2023).

About Purple Circle Physician Pc NPPES

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

PURPLE CIRCLE PHYSICIAN PC (NPI 1871207555) is a healthcare organization registered as an obesity medicine in New York, New York and active in the NPI registry since January 2023. The organization holds a CLIA Waiver certificate valid through February 26, 2028, maintains a secondary practice location in New York, and lists Anystin Bigler, Manager, Payer Credentialing, as its authorized official.

NPPES Registry Identity

NPI1871207555
Entity TypeOrganization
Primary Taxonomy2083B0002X
Legal Business NamePURPLE CIRCLE PHYSICIAN PC
Location Address9 E 37TH STNew York, NY 10016-2822
Mailing Address9 E 37th StNew York, NY 10016-2822 · (833) 764-5768
Phone(833) 764-5768
Organization SubpartYesParent: Alfie Health, Llc
Authorized OfficialAnystin BiglerManager, Payer Credentialing · (339) 463-6787
Enumeration DateJanuary 9, 2023
Last NPPES UpdateMay 28, 20264 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
✔ NPI 1871207555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPreventive Medicine · Obesity MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083B0002X
Definition
A physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X
9 E 37TH ST, New York, NY 10016
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Secondary Practice Location 1

Location 13 Columbus Cir Fl 15New York, NY 10019-8716 · Phone (339) 793-8998

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D2339296

Purple Circle Physician PC Dba Knownwell Midtown · New York, NY
Active · expires Feb 26, 2028
CLIA Number33D2339296
Laboratory TypePhysician Office
Certificate Effective DateFebruary 27, 2026
Certificate Expiration DateFebruary 26, 2028
Laboratory DirectorJim Fitzgerald
Laboratory Phone(646) 741-9716
Laboratory LocationPurple Circle Physician PC Dba Knownwell Midtown9 E 37th St 5th Floor, New York, NY 10016
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. SONAL SAKARIYA M.D.
Internal Medicine
9 E 37TH ST
NEW YORK, NY 10016
New York County (888) 671-5902

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 Purple Circle Physician PC's NPI number?

The NPI number for Purple Circle Physician PC is 1871207555. It was assigned to this organization in the NPPES registry on January 9, 2023.

Where is Purple Circle Physician PC located?

Purple Circle Physician PC is located at 9 E 37th St, New York, NY 10016. The listed phone number is (833) 764-5768.

What is Purple Circle Physician PC's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Obesity Medicine, with taxonomy code 2083B0002X.

Does Purple Circle Physician PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2339296) is associated with this NPI, valid through February 26, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Purple Circle Physician PC was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.