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LINA MARCELA DIAZ CALDERON M.D.
NPI 1285074138
Pediatrics - Pediatric Gastroenterology in Baltimore, MD

Active since June 25, 2013PECOS Enrolled
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-7373(410) 328-7305 Get Directions Write a Review

NPPES record last updated: March 2, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Lina Marcela Diaz Calderon M.d. NPPES

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

LINA MARCELA DIAZ CALDERON M.D. (NPI 1285074138) is an individual pediatric gastroenterology provider in Baltimore, Maryland, licensed in Maryland (D88587) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285074138
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameLINA MARCELA DIAZ CALDERONCredential: M.D.
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing AddressPo Box 62063Baltimore, MD 21264-2063 · (410) 706-5181 · Fax (410) 706-5103
Phone(410) 328-7373
Fax(410) 328-7305
Sole ProprietorNo
Enumeration DateJune 25, 2013
Last NPPES UpdateMarch 2, 2020
NPPES CertifiedMarch 2, 2020
✔ NPI 1285074138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in MD · D88587
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
22 S GREENE ST, Baltimore, MD 21201
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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)

Lina Marcela Diaz Calderon M.d. 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 Lina Diaz Calderon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Maryland Pediatric Assoc PA
Same address
Pediatrics
22 SOUTH GREENE STREET
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: University Of Maryland Pediatric Associates, PA
  • 172 clinicians in this Medicare group
NPI 1174628580 (410) 706-5181

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 21201 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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. LEONARD ANANG SOWAH M.D.
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 706-4619
VISHAL BHATNAGAR MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NANCE J FOX P.A.-C
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Baltimore City (410) 328-1170
HILARY TAMARA WOLF MD
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 328-7373
MS. LINDSAY BREAM O'MEARA CRNP
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Baltimore City (410) 328-3365
NORA T OLIVER M.D., M.P.H.
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756
SHOSHANA JO WEINER
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (617) 214-1332
JENNA VANLIERE CANZONIERO M.D.
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756

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 Lina Diaz Calderon's NPI number?

The NPI number for Lina Diaz Calderon is 1285074138. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Where is Lina Diaz Calderon located?

Lina Diaz Calderon practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-7373.

What is Lina Diaz Calderon's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Lina Diaz Calderon enrolled in Medicare?

Yes. Lina Diaz Calderon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lina Diaz Calderon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lina Diaz Calderon reassigns Medicare benefits to University Of Maryland Pediatric Assoc PA (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 Lina Diaz Calderon'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 Lina Diaz Calderon was last updated on March 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.