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MS. GIANNINA EMINEE GUARDIA RULLAN M.D.
NPI 1407295066
Student in an Organized Health Care Education/Training Program in San Juan, PR

Active since June 17, 2013PECOS EnrolledAccepts Medicare Assignment
10C CALLE CASIA, SAN JUAN, PR 00921(787) 641-7582 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 26, 2026, Dec 8, 2022, Jul 21, 2022 (3 updates tracked since 2022).

About Ms. Giannina Eminee Guardia Rullan M.d. NPPES

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

MS. GIANNINA EMINEE GUARDIA RULLAN M.D. (NPI 1407295066) is an individual student in an organized health care education/training program in San Juan, Puerto Rico, licensed in Puerto Rico (19596) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and is a graduate of Ponce School Of Medicine (2013).

NPPES Registry Identity

NPI1407295066
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMS. GIANNINA EMINEE GUARDIA RULLANCredential: M.D.
Location Address10C CALLE CASIASan Juan, PR 00921-3200
Mailing Address1263 Ave Luis Vigoreaux Apt 6jGuaynabo, PR 00966-2713 · (787) 237-3452
Phone(787) 641-7582
Sole ProprietorNo
Medical School CMSPonce School Of MedicineGraduated 2013
Enumeration DateJune 17, 2013
Last NPPES UpdateMarch 26, 20263 updates tracked since enumeration
NPPES CertifiedMarch 26, 2026
✔ NPI 1407295066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
License✔ Licensed in PR · 19596
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 19596 (PR), ME149173 (FL), R4555 (TX)

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and more.Insurance ›

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

Ms. Giannina Eminee Guardia Rullan M.d. 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 ID143595660
PECOS Enrollment IDI20210908003399
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 Reassignments

3

Medicare enrollment records show Giannina Guardia Rullan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jorge A Fernandez-Sanchez, MD, PA
Specialist
9350 SW 72ND ST STE 105
Miami, FL 33173
  • Reassigned Medicare billing, Florida enrollment
  • 21 clinicians in this Medicare group
NPI 1508148883 (305) 819-1104
Ob Hospitalist Group LLC
Hospitalist
800 PRUDENTIAL DR
Jacksonville, FL 32207
  • Reassigned Medicare billing, Florida enrollment
  • 683 clinicians in this Medicare group
NPI 1154163533 (864) 908-3530
Obhg Texas Holdings, P.A.
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 clinicians in this Medicare group
NPI 1083917769 (800) 967-2289

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

Other Providers at the Same Location NPPES 7

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

RANDAL DEL VALLE-RODRIGUEZ SR.
Social Worker (Clinical)
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (939) 745-3151
ANDREA SOFIA BONEO
Student in an Organized Health Care Education/Training Program
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
UBALDO RAFAEL MADERA SANCHEZ M.D.
Hospitalist
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
SOPHIA KRISTAL MORALES
Student in an Organized Health Care Education/Training Program
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
VALERIA MARIE SANCHEZ-RIVERA
Dental Assistant
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
YIANISHKA PEREZ
Specialist/Technologist (Athletic Trainer)
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582
LUIS JULIAN PEREZ MELENDEZ
Student in an Organized Health Care Education/Training Program
10C CALLE CASIA
SAN JUAN, PR 00921
San Juan Municipio (787) 641-7582

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 Giannina Guardia Rullan's NPI number?

The NPI number for Giannina Guardia Rullan is 1407295066. It was assigned to this individual provider in the NPPES registry on June 17, 2013.

Where is Giannina Guardia Rullan located?

Giannina Guardia Rullan practices at 10C Calle Casia, San Juan, PR 00921. The listed phone number is (787) 641-7582.

What is Giannina Guardia Rullan's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Giannina Guardia Rullan enrolled in Medicare?

Yes. Giannina Guardia Rullan 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 organizations bill Medicare for Giannina Guardia Rullan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Giannina Guardia Rullan reassigns Medicare benefits to 3 organizations: Jorge A Fernandez-Sanchez, MD, PA (Miami, FL), Ob Hospitalist Group LLC (Jacksonville, FL) and Obhg Texas Holdings, P.A. (Austin, TX). Each 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 Giannina Guardia Rullan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Giannina Guardia Rullan accept?

Health plans from AmeriHealth Caritas Next, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Cigna HealthCare of Florida, Inc. and Cigna Healthcare and 2 other insurers list Giannina Guardia Rullan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Giannina Guardia Rullan was last updated on March 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.