DR. JAMES GREGORY SHAW MD
NPI 1134495864
Internal Medicine in Silver Spring, MD

Active since March 27, 2012PECOS EnrolledAccepts Medicare Assignment
HOLY CROSS HOSPITAL, 1500 FOREST GLEN RD, INTERNAL MEDICINE HOS1, SILVER SPRING, MD 20910(301) 754-7000 Get Directions Write a Review

NPPES record last updated: June 2, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 2, 2021, Dec 8, 2017 (2 updates tracked since 2017).

About Dr. James Gregory Shaw Md NPPES

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

DR. JAMES GREGORY SHAW MD (NPI 1134495864) is an individual internal medicine provider in Silver Spring, Maryland, licensed in Maryland (D0084165) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2012).

NPPES Registry Identity

NPI1134495864
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JAMES GREGORY SHAWCredential: MD
Location AddressHOLY CROSS HOSPITAL, 1500 FOREST GLEN RD, INTERNAL MEDICINE HOS1Silver Spring, MD 20910
Mailing Address2101 E Jefferson St Ste 6wRockville, MD 20852-4908 · (301) 816-5853
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2012
Enumeration DateMarch 27, 2012
Last NPPES UpdateJune 2, 20212 updates tracked since enumeration
NPPES CertifiedJune 2, 2021
✔ NPI 1134495864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0084165
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.
HOLY CROSS HOSPITAL, Silver Spring, MD 20910

Other Identifiers 1

Medicaid04261318NY

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

Dr. James Gregory Shaw Md 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 ID2860700804
PECOS Enrollment IDI20180130002440
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 Shaw reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physical Therapy
10410 NORTH KENSINGTON PARKWAY
Kensington, MD 20895
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,492 clinicians in this Medicare group

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 2

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

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210004
Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County
Birthing friendly

Luminis Health Doctors Community Medical Ctr, Inc

Acute Care Hospitals · Lanham, MD
2/5 CMS rating
OwnershipProprietary
CMS Certification Number210051
Location8118 Good Luck RoadLanham, MD 20706 · Prince Georges County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20910 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
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 3

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

Pediatrics
HOLY CROSS HOSPITAL, 1500 FOREST GLEN RD
SILVER SPRING, MD 20910
Nurse Anesthetist, Certified Registered
HOLY CROSS HOSPITAL, 1500 FOREST GLEN ROAD
SILVER SPRING, MD 20910
Internal Medicine (Critical Care Medicine)
HOLY CROSS HOSPITAL, 1500 FOREST GLEN RD
SILVER SPRING, MD 20910

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 Shaw's NPI number?

The NPI number for James Shaw is 1134495864. It was assigned to this individual provider in the NPPES registry on March 27, 2012.

Where is James Shaw located?

James Shaw practices at Holy Cross Hospital 1500 Forest Glen Rd, Internal Medicine Hos1, Silver Spring, MD 20910. The listed phone number is (301) 754-7000.

What is James Shaw's specialty?

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

Is James Shaw enrolled in Medicare?

Yes. James Shaw 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 James Shaw's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Shaw reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD). 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 Shaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is James Shaw affiliated with any hospitals?

According to CMS data, James Shaw is affiliated with Holy Cross Hospital and Luminis Health Doctors Community Medical Ctr, Inc.

When was this NPI record last updated?

The NPPES record for James Shaw was last updated on June 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.