SPENCER CHAPMAN KNOX M.D.
NPI 1205220688
Internal Medicine - Gastroenterology in Fleming Island, FL

Q: What is Spencer Knox's NPI number?

The NPI number for Spencer Knox is 1205220688. It was assigned to this individual provider in the NPPES registry on March 24, 2015.

Q: What is Spencer Knox's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Spencer Knox was last updated on June 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since March 24, 2015PECOS EnrolledAccepts Medicare Assignment

77.15/100

CMS Quality Rating

1747 BAPTIST CLAY DR STE 300, FLEMING ISLAND, FL 32003(904) 214-8080(904) 214-8081 Get Directions Write a Review

NPPES record last updated: June 11, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 11, 2021, May 7, 2021, Jun 15, 2018 (3 updates tracked since 2018).

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About Spencer Chapman Knox M.d. NPPES

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

SPENCER CHAPMAN KNOX M.D. (NPI 1205220688) is an individual gastroenterology provider in Fleming Island, Florida, licensed in Florida (ME148899) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1205220688

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameSPENCER CHAPMAN KNOXCredential: M.D.

Location Address1747 BAPTIST CLAY DR STE 300Fleming Island, FL 32003-8503

Mailing Address4800 Belfort RdJacksonville, FL 32256-6004 · (904) 398-7205

Phone(904) 214-8080

Fax(904) 214-8081

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMarch 24, 2015

Last NPPES UpdateJune 11, 20213 updates tracked since enumeration

NPPES CertifiedJune 11, 2021

✔ NPI 1205220688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in FL · ME148899

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1747 BAPTIST CLAY DR STE 300, Fleming Island, FL 32003

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Other Identifiers 1

Medicaid110557300FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and more.Insurance ›

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

Spencer Chapman Knox 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 ID244544195

PECOS Enrollment IDI20210511002846

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 15

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

241 services164 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

194 services107 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

125 services117 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

89 services88 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

82 services82 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

78 services76 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

34 services34 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

29 services29 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

19 services16 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

18 services18 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

16 services16 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

16 services15 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

13 services13 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100088

Location800 Prudential DrJacksonville, FL 32207 · Duval County

Emergency services Birthing friendly

Ascension St Vincent's Clay County

Acute Care Hospitals · Middleburg, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100321

Location1670 St Vincents WayMiddleburg, FL 32068 · Clay County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32003 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.15/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

65.95

Promoting Interoperability

Improvement Activities

Cost

61.22

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Other Providers at the Same Location NPPES 4

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

RAYCHEL LEE RAYMER

Physician Assistant (Medical)

1747 BAPTIST CLAY DR STE 300
FLEMING ISLAND, FL 32003

Duval County (904) 214-8100

VIKAS PATEL M.D.

Internal Medicine (Gastroenterology)

1747 BAPTIST CLAY DR STE 300
FLEMING ISLAND, FL 32003

Duval County (904) 214-8080

DR. TARUN RAI M.D.

Internal Medicine (Gastroenterology)

1747 BAPTIST CLAY DR STE 300
FLEMING ISLAND, FL 32003

Duval County (904) 214-8100

DR. MICHAEL E HERMAN DO

Internal Medicine (Gastroenterology)

1747 BAPTIST CLAY DR STE 300
FLEMING ISLAND, FL 32003

Duval County (904) 214-8100

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 Spencer Knox's NPI number?

The NPI number for Spencer Knox is 1205220688. It was assigned to this individual provider in the NPPES registry on March 24, 2015.

Where is Spencer Knox located?

Spencer Knox practices at 1747 Baptist Clay Dr Ste 300, Fleming Island, FL 32003. The listed phone number is (904) 214-8080.

What is Spencer Knox's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Spencer Knox enrolled in Medicare?

Yes. Spencer Knox 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.

What insurance does Spencer Knox accept?

Health plans from AvMed, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Molina Healthcare and UnitedHealthcare and 1 other insurer list Spencer Knox 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.

Is Spencer Knox affiliated with any hospitals?

According to CMS data, Spencer Knox is affiliated with Baptist Health Medical Center - Jacksonville and Ascension St Vincent's Clay County.

When was this NPI record last updated?

The NPPES record for Spencer Knox was last updated on June 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.