Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RYAN HERCHAN DO
NPI 1790487346
Internal Medicine - Obesity Medicine in Danville, PA

Q: What is Ryan Herchan's NPI number?

The NPI number for Ryan Herchan is 1790487346. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Q: What is Ryan Herchan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Obesity Medicine, with taxonomy code 207RB0002X.

Q: When was this NPI record last updated?

The NPPES record for Ryan Herchan was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.

Active since March 20, 2023PECOS Enrolled

100 N ACADEMY AVE, DANVILLE, PA 17822(570) 271-6468(570) 271-7805 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Ryan Herchan Do NPPES

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

RYAN HERCHAN DO (NPI 1790487346) is an individual obesity medicine provider in Danville, Pennsylvania, licensed in Pennsylvania (OS025800) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790487346

Entity TypeIndividualMale

Primary Taxonomy207RB0002X

Provider Legal NameRYAN HERCHANCredential: DO

Location Address100 N ACADEMY AVEDanville, PA 17822-9800

Mailing Address100 N Academy AveDanville, PA 17822-4903 · (570) 271-6468 · Fax (570) 271-7805

Phone(570) 271-6468

Fax(570) 271-7805

Sole ProprietorYes

Enumeration DateMarch 20, 2023

Last NPPES UpdateJune 29, 2026

NPPES CertifiedJune 29, 2026

✔ NPI 1790487346 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Obesity MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RB0002X

License✔ Licensed in PA · OS025800

Definition

An internal medicine 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.

100 N ACADEMY AVE, Danville, PA 17822

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan Herchan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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. TARA JEAN LOUX MD

Surgery (Pediatric Surgery)