Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREGORY MARK CHAMBERLIN MD
NPI 1861981250
Pathology - Anatomic Pathology & Clinical Pathology in Orlando, FL

Q: What is Gregory Chamberlin's NPI number?

The NPI number for Gregory Chamberlin is 1861981250. It was assigned to this individual provider in the NPPES registry on May 1, 2018.

Q: What is Gregory Chamberlin's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since May 01, 2018PECOS EnrolledAccepts Medicare Assignment

52 UNDERWOOD ST, ORLANDO, FL 32806(321) 841-5111 Get Directions Write a Review

NPPES record last updated: August 30, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 30, 2026, Sep 28, 2024, Jun 7, 2022 and 1 more (4 updates tracked since 2018).

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About Gregory Mark Chamberlin Md NPPES

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

GREGORY MARK CHAMBERLIN MD (NPI 1861981250) is an individual anatomic pathology & clinical pathology provider in Orlando, Florida, licensed in Florida (181536) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital Union County, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1861981250

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameGREGORY MARK CHAMBERLINCredential: MD

Location Address52 UNDERWOOD STOrlando, FL 32806-1110

Mailing Address84 W Jersey St Ste 1Orlando, FL 32806-4407 · (407) 422-1377 · Fax (407) 422-1384

Phone(321) 841-5111

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateMay 1, 2018

Last NPPES UpdateAugust 30, 20264 updates tracked since enumeration

NPPES CertifiedAugust 30, 2026

✔ NPI 1861981250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

Licenses✔ Licensed in FL · 181536✔ Licensed in NC · 2022-01454✔ Licensed in MS · 35763✔ Licensed in TN · 74944✔ Licensed in AR · E-19785

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

52 UNDERWOOD ST, Orlando, FL 32806

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Mark Chamberlin 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 ID941565279

PECOS Enrollment IDI20250828004465, I20250829000640, I20250930001923

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

12 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Baptist Memorial Hospital Union County

Acute Care Hospitals · New Albany, MS

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number250006

Location200 Hwy 30 WestNew Albany, MS 38652 · Union County

Emergency services Birthing friendly

Bmh-Golden Triangle

Acute Care Hospitals · Columbus, MS

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number250100

Location2520 5th Street NColumbus, MS 39705 · Lowndes County

Emergency services Birthing friendly

Baptist Memorial Hospital Desoto

Acute Care Hospitals · Southaven, MS

1/5 CMS rating

OwnershipProprietary

CMS Certification Number250141

Location7601 Southcrest ParkwaySouthaven, MS 38671 · De Soto County

Emergency services Birthing friendly

Baptist Memorial Hospital

Acute Care Hospitals · Memphis, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440048

Location6019 Walnut Grove RoadMemphis, TN 38120 · Shelby County

Emergency services Birthing friendly

Baptist Memorial Hospital Union City

Acute Care Hospitals · Union City, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440130

Location1201 Bishop St, PO Box 310Union City, TN 38261 · Obion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32806 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

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

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.

THAI QUOC NGUYEN MD

Internal Medicine