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JAMES LEWIS SCHARFEN MD
NPI 1871115147
Internal Medicine in New York, NY

Active since May 10, 2020PECOS Enrolled
10 UNION SQ E STE 2G, NEW YORK, NY 10003(212) 844-6195(212) 844-6697 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 29, 2026, Jun 22, 2023, Jun 23, 2020 and 3 more (6 updates tracked since 2020).

About James Lewis Scharfen Md NPPES

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

JAMES LEWIS SCHARFEN MD (NPI 1871115147) is an individual internal medicine provider in New York, New York, licensed in Rhode Island (LP04824) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS and maintains a secondary practice location in Santa Rosa.

NPPES Registry Identity

NPI1871115147
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJAMES LEWIS SCHARFENCredential: MD
Location Address10 UNION SQ E STE 2GNew York, NY 10003-3314
Mailing Address10 Union Sq E Ste 2gNew York, NY 10003-3314 · (212) 844-6195 · Fax (212) 844-6697
Phone(212) 844-6195
Fax(212) 844-6697
Sole ProprietorYes
Enumeration DateMay 10, 2020
Last NPPES UpdateJuly 29, 20266 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1871115147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · LP04824
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.
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License A208171 (CA)
10 UNION SQ E STE 2G, New York, NY 10003
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Secondary Practice Location 1

Location 1500 Doyle Park Dr Ste 205Santa Rosa, CA 95405-4559 · Phone (707) 303-8350 · Fax (707) 303-2694

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

James Lewis Scharfen Md 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.

Medicare Billing Reassignment

Medicare enrollment records show James Scharfen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Medical Foundation
2,388 mi
Urology
19333 BEAR VALLEY RD, SUITE 106
Apple Valley, CA 92308
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1053616706 (760) 240-5505

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10003 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

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

DR. JAHNAVI N SAWHNEY MD
Internal Medicine (Gastroenterology)
10 UNION SQ E STE 2G
NEW YORK, NY 10003
New York County (212) 844-8349

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 James Scharfen's NPI number?

The NPI number for James Scharfen is 1871115147. It was assigned to this individual provider in the NPPES registry on May 10, 2020.

Where is James Scharfen located?

James Scharfen practices at 10 Union Sq E Ste 2G, New York, NY 10003. The listed phone number is (212) 844-6195.

What is James Scharfen's specialty?

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

Is James Scharfen enrolled in Medicare?

Yes. James Scharfen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Scharfen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Scharfen reassigns Medicare benefits to Providence Medical Foundation (Apple Valley, CA). 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 James Scharfen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Scharfen was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.