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CHRISTOPHER G. NELSON, M.D., P.A.
NPI 1407809171
Dermatology - Dermatopathology in St Petersburg, FL

Active since May 17, 2006CLIA 10D0291403 · Certificate of Compliance
350 6TH ST S, ST PETERSBURG, FL 33701(727) 895-8131 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Christopher G. Nelson, M.d., P.a. NPPES

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

CHRISTOPHER G. NELSON, M.D., P.A. (NPI 1407809171) is a healthcare organization registered as a dermatopathology in St Petersburg, Florida and active in the NPI registry since May 2006. The organization holds a CLIA Certificate of Compliance certificate valid through June 22, 2028, maintains 2 additional practice locations, and lists Christopher Grant Nelson, Physician, as its authorized official.

NPPES Registry Identity

NPI1407809171
Entity TypeOrganization
Primary Taxonomy207ND0900X
Legal Business NameCHRISTOPHER G. NELSON, M.D., P.A.
Location Address350 6TH ST SSt Petersburg, FL 33701-4449
Mailing Address350 6th St SSt Petersburg, FL 33701-4449 · (727) 895-8131
Phone(727) 895-8131
Organization SubpartNo
Authorized OfficialChristopher Grant NelsonPhysician · (727) 895-8131
Enumeration DateMay 17, 2006
Last NPPES UpdateNovember 11, 20252 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1407809171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatology · DermatopathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ND0900X
Definition
A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.
350 6TH ST S, St Petersburg, FL 33701
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Secondary Practice Locations 2

Location 1870 77th Ave N Ste 1Saint Petersburg, FL 33702-5240 · Phone (727) 895-8131 · Fax (727) 821-1292
Location 21615 Pasadena Ave S Ste 100South Pasadena, FL 33707-4515 · Phone (727) 895-8131 · Fax (727) 821-1292

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christopher G. Nelson, M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Christopher G. Nelson, M.D., P.A., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Andrew Nelson, MD
Dermatology
NPI 1548396260
350 6TH ST S
Saint Petersburg, FL 33701
(727) 895-8131
✔ PECOS✔ Accepts MedicareSame address
Christopher Nelson, M.D.
Dermatology
NPI 1982653317
350 6TH ST S
St Petersburg, FL 33701
(727) 895-8131
✔ PECOS✔ Accepts MedicareSame address
Lana Mckinley, DO
Dermatology
NPI 1083949010
13121 66TH ST
Largo, FL 33773
(727) 530-0920
✔ PECOS✔ Accepts Medicare10 mi
Joseph Greco, MD
Dermatology
NPI 1588607394
1990 MAIN ST STE 700
Sarasota, FL 34236
(941) 867-3376
✔ PECOS✔ Accepts Medicare30 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 10D0291403

Christopher G Nelson MD PA · Saint Petersburg, FL
Active · expires Jun 22, 2028
CLIA Number10D0291403
Laboratory TypePhysician Office
Certificate Effective DateJune 23, 2026
Certificate Expiration DateJune 22, 2028
Laboratory DirectorDr. Christopher G. Nelson Jr
Laboratory Phone(727) 895-8131
Laboratory LocationChristopher G Nelson MD PA350 6th Street South, Saint Petersburg, FL 33701
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Christopher G. Nelson, M.D., P.A.'s NPI number?

The NPI number for Christopher G. Nelson, M.D., P.A. is 1407809171. It was assigned to this organization in the NPPES registry on May 17, 2006.

Where is Christopher G. Nelson, M.D., P.A. located?

Christopher G. Nelson, M.D., P.A. is located at 350 6th St S, St Petersburg, FL 33701. The listed phone number is (727) 895-8131.

What is Christopher G. Nelson, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Dermatopathology, with taxonomy code 207ND0900X.

Is Christopher G. Nelson, M.D., P.A. enrolled in Medicare?

Yes. Christopher G. Nelson, M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Christopher G. Nelson, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Dermatology, reassign their Medicare billing to Christopher G. Nelson, M.D., P.A.. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Christopher G. Nelson, M.D., P.A. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 10D0291403) is associated with this NPI, valid through June 22, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Christopher G. Nelson, M.D., P.A. accept?

Health plans from Florida Blue (BlueCross BlueShield FL) list Christopher G. Nelson, M.D., P.A. 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 Christopher G. Nelson, M.D., P.A. was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.