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DR. JAMES MARTINSON MD
NPI 1619505500
Surgery in Baltimore, MD

Active since March 28, 2020PECOS EnrolledAccepts Medicare Assignment
9000 FRANKLIN SQUARE DR DEPT OF, BALTIMORE, MD 21237(443) 777-2000(443) 777-8489 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 13, 2026, Apr 2, 2020, Mar 28, 2020 (3 updates tracked since 2020).

About Dr. James Martinson Md NPPES

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

DR. JAMES MARTINSON MD (NPI 1619505500) is an individual surgery provider in Baltimore, Maryland, licensed in Maryland (D0103577) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and maintains a secondary practice location in Portsmouth.

NPPES Registry Identity

NPI1619505500
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. JAMES MARTINSONCredential: MD
Location Address9000 FRANKLIN SQUARE DR DEPT OFBaltimore, MD 21237-3901
Mailing Address620 John Paul Jones Cir Ste 275Portsmouth, VA 23708-2197
Phone(443) 777-2000
Fax(443) 777-8489
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateMarch 28, 2020
Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1619505500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MD · D0103577
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
9000 FRANKLIN SQUARE DR DEPT OF, Baltimore, MD 21237
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Secondary Practice Location 1

Location 1620 John Paul Jones Cir Ste 275Portsmouth, VA 23708-2197 · Phone (757) 953-5000

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 Martinson 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 ID4486119963
PECOS Enrollment IDI20260724002748
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 Martinson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medstar Medical Group II LLC
5.8 mi
General Practice
5601 LOCH RAVEN BLVD, RUSSELL MORGAN BLDG 3RD FL
Baltimore, MD 21239
  • Reassigned Medicare billing, Maryland enrollment
  • 2,602 clinicians in this Medicare group
NPI 1184046187 (443) 444-5606

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

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21237 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
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
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.

DEBORAH CAMERON DO
Family Medicine
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-2000
DR. CHRISTOPHER JAMES HAAS M.D., PH.D.
Internal Medicine
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-7118
NATASHA PRIYA NUNDY M.D.
Internal Medicine
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-8186
DR. SUNITA SHARMA MD
Internal Medicine
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-8186
MEHER PAHWA DO
Student in an Organized Health Care Education/Training Program
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-2000
DR. GIOVANNI PRECIADO FERRARA BMBS, MD (ECFMG)
Student in an Organized Health Care Education/Training Program
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-7771
JONAH AARON SCHINDELHEIM
Surgery
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-7771
CHRISTINE HONG NGOC THAI MD
Student in an Organized Health Care Education/Training Program
9000 FRANKLIN SQUARE DR DEPT OF
BALTIMORE, MD 21237
Baltimore County (443) 777-7771

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 Martinson's NPI number?

The NPI number for James Martinson is 1619505500. It was assigned to this individual provider in the NPPES registry on March 28, 2020.

Where is James Martinson located?

James Martinson practices at 9000 Franklin Square Dr Dept Of, Baltimore, MD 21237. The listed phone number is (443) 777-2000.

What is James Martinson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is James Martinson enrolled in Medicare?

Yes. James Martinson 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 Martinson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Martinson reassigns Medicare benefits to Medstar Medical Group II LLC (Baltimore, 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 Martinson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is James Martinson affiliated with any hospitals?

According to CMS data, James Martinson is affiliated with Medstar Franklin Square Medical Center.

When was this NPI record last updated?

The NPPES record for James Martinson was last updated on July 13, 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.