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DIANA JOHNSTONE GRAVES D.O.
NPI 1265524870
Family Medicine in Ocala, FL

Active since September 29, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 10D0982542 · Waiver
2521 SE LAKE WEIR AVE, OCALA, FL 34471(352) 690-6900(352) 671-9525 Get Directions Write a Review

NPPES record last updated: December 4, 2023. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Diana Johnstone Graves D.o. NPPES

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

DIANA JOHNSTONE GRAVES D.O. (NPI 1265524870) is an individual family medicine provider in Ocala, Florida, licensed in Florida (OS6568) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through January 29, 2027, and is affiliated with Adventhealth Ocala.

NPPES Registry Identity

NPI1265524870
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDIANA JOHNSTONE GRAVESCredential: D.O.
Location Address2521 SE LAKE WEIR AVEOcala, FL 34471-6722
Mailing Address2521 Se Lake Weir AveOcala, FL 34471-6722 · (352) 690-6900 · Fax (352) 671-9525
Phone(352) 690-6900
Fax(352) 671-9525
Sole ProprietorYes
Medical School CMSNova Southeastern College Of Osteo MedicineGraduated 1986
Enumeration DateSeptember 29, 2006
Last NPPES UpdateDecember 4, 2023
NPPES CertifiedDecember 4, 2023
✔ NPI 1265524870 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in FL · OS6568
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2521 SE LAKE WEIR AVE, Ocala, FL 34471
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Other Identifiers 1

Medicaid372308900FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. 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

Diana Johnstone Graves D.o. 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 ID6800960279
PECOS Enrollment IDI20080801000559
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.

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 Waiver 10D0982542

Diana J Graves Do · Ocala, FL
Active · expires Jan 29, 2027
CLIA Number10D0982542
Laboratory TypePhysician Office
Certificate Effective DateJanuary 30, 2025
Certificate Expiration DateJanuary 29, 2027
Laboratory DirectorDiana J. Graves Do
Laboratory Phone(352) 690-6900
Laboratory LocationDiana J Graves Do2521 SE Lake Weir Ave, Ocala, FL 34471
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 6

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.
535 services277 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
293 services36 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
59 services52 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
56 services51 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.
14 services14 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Adventhealth Ocala

Acute Care Hospitals · Ocala, FL
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number100062
Location1500 SW 1st AveOcala, FL 34474 · Marion County
Emergency services Birthing friendly

Adventhealth Tampa

Acute Care Hospitals · Tampa, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100173
Location3100 E Fletcher AveTampa, FL 33613 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34471 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
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers23 claims41 services$5.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

DIANA J GRAVES DO LLC
Family Medicine
2521 SE LAKE WEIR AVE
OCALA, FL 34471
Marion County (352) 690-6900

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 Diana Graves's NPI number?

The NPI number for Diana Graves is 1265524870. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is Diana Graves located?

Diana Graves practices at 2521 SE Lake Weir Ave, Ocala, FL 34471. The listed phone number is (352) 690-6900.

What is Diana Graves's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Diana Graves enrolled in Medicare?

Yes. Diana Graves 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.

Does Diana Graves hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 10D0982542) is associated with this NPI, valid through January 29, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Diana Graves accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and Oscar Health Maintenance Organization of Florida list Diana Graves 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 Diana Graves affiliated with any hospitals?

According to CMS data, Diana Graves is affiliated with Adventhealth Ocala and Adventhealth Tampa.

When was this NPI record last updated?

The NPPES record for Diana Graves was last updated on December 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.