JILLIAN A NELSON M.D.
NPI 1912386434
Pediatrics - Developmental - Behavioral Pediatrics in Lakeland, FL

Q: What is Jillian Nelson's NPI number?

The NPI number for Jillian Nelson is 1912386434. It was assigned to this individual provider in the NPPES registry on May 29, 2015.

Q: What is Jillian Nelson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Q: When was this NPI record last updated?

The NPPES record for Jillian Nelson was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 29, 2015PECOS Enrolled

5120 S FLORIDA AVE STE 328, LAKELAND, FL 33813(863) 395-1571 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 17, 2026, Sep 12, 2022, Jul 1, 2019 and 1 more (4 updates tracked since 2019).

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About Jillian A Nelson M.d. NPPES

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

JILLIAN A NELSON M.D. (NPI 1912386434) is an individual developmental - behavioral pediatrics provider in Lakeland, Florida, licensed in Florida (ME157652) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912386434

Entity TypeIndividualFemale

Primary Taxonomy2080P0006X

Provider Legal NameJILLIAN A NELSONCredential: M.D.

Location Address5120 S FLORIDA AVE STE 328Lakeland, FL 33813-2628

Mailing Address5120 S Florida Ave Ste 328Lakeland, FL 33813-2628 · (863) 395-1571

Phone(863) 395-1571

Sole ProprietorNo

Enumeration DateMay 29, 2015

Last NPPES UpdateAugust 17, 20264 updates tracked since enumeration

NPPES CertifiedAugust 17, 2026

✔ NPI 1912386434 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians

Taxonomy Code2080P0006X

License✔ Licensed in FL · ME157652

Definition

A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.

Also ListedPediatricsTaxonomy 208000000X · License ME157652 (FL)

5120 S FLORIDA AVE STE 328, Lakeland, FL 33813

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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)

Jillian A Nelson 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 Jillian Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Florida Hospital Medical Group Inc

54 mi

Family Medicine

1115 E RIDGEWOOD ST
Orlando, FL 32803

Reassigned Medicare billing, Florida enrollment
3,005 clinicians in this Medicare group

NPI 1225034234 (407) 841-1100

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

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 Jillian Nelson's NPI number?

The NPI number for Jillian Nelson is 1912386434. It was assigned to this individual provider in the NPPES registry on May 29, 2015.

Where is Jillian Nelson located?

Jillian Nelson practices at 5120 S Florida Ave Ste 328, Lakeland, FL 33813. The listed phone number is (863) 395-1571.

What is Jillian Nelson's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Jillian Nelson enrolled in Medicare?

Yes. Jillian Nelson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jillian Nelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Nelson reassigns Medicare benefits to Florida Hospital Medical Group Inc (Orlando, FL). 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 Jillian Nelson'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 Jillian Nelson was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.