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DR. JAMES ANDREW HARTWELL SR. MD
NPI 1447346879
Emergency Medicine in Bethesda, MD

Active since October 05, 2006PECOS Enrolled
8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-0196(301) 319-4712 Get Directions Write a Review

NPPES record last updated: August 23, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 23, 2024, May 7, 2024 (2 updates tracked since 2024).

About Dr. James Andrew Hartwell Sr. Md NPPES

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

DR. JAMES ANDREW HARTWELL SR. MD (NPI 1447346879) is an individual emergency medicine provider in Bethesda, Maryland, licensed in California (169257) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1447346879
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JAMES ANDREW HARTWELL SR.Credential: MD
Location Address8901 WISCONSIN AVEBethesda, MD 20889-0001
Mailing Address2068 Westchester DrSilver Spring, MD 20902-3557 · (301) 649-1123
Phone(301) 295-0196
Fax(301) 319-4712
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateOctober 5, 2006
Last NPPES UpdateAugust 23, 20242 updates tracked since enumeration
NPPES CertifiedAugust 23, 2024
✔ NPI 1447346879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · 169257
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
8901 WISCONSIN AVE, Bethesda, MD 20889
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Andrew Hartwell Sr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426296898
PECOS Enrollment IDI20251126002554
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 Hartwell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
2,266 mi
Health Maintenance Organization
4647 ZION AVE
San Diego, CA 92120
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1225060742 (619) 528-5000

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 20889 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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. TAMMERA NELSON
Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4497
DAWOOD TAFTI M.D.
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 319-8373
DR. ASHLEY BEE BOZZAY
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-8588
DR. ADAM JOSEPH MAIER DO
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
SIMAL RUHISHTA ALI DO
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4900
DR. JACOB L FRIESEN M.D.
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Montgomery County (301) 319-3772
MS. CARLA PATRICE ALEXIS P.T.
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4880
DR. ANN TALBOT SCHWARTZ MD
Pediatrics
8901 WISCONSIN AVE
BETHESDA, MD 20889
Montgomery County (301) 295-4941

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 Hartwell's NPI number?

The NPI number for James Hartwell is 1447346879. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is James Hartwell located?

James Hartwell practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-0196.

What is James Hartwell's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is James Hartwell enrolled in Medicare?

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

Which organization bills Medicare for James Hartwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Hartwell reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, 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 Hartwell'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 Hartwell was last updated on August 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.