DR. DOUGLAS D. HELDRETH M.D.
NPI 1699766378
Internal Medicine - Medical Oncology in Naples, FL

Active since November 02, 2005PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
2828 TARFLOWER WAY, NAPLES, FL 34105(239) 649-0649 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 8, 2022, Nov 12, 2021 (2 updates tracked since 2021).

About Dr. Douglas D. Heldreth M.d. NPPES

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

DR. DOUGLAS D. HELDRETH M.D. (NPI 1699766378) is an individual medical oncology provider in Naples, Florida, licensed in Florida (ME51704) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of West Virginia University School Of Medicine (1985).

NPPES Registry Identity

NPI1699766378
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. DOUGLAS D. HELDRETHCredential: M.D.
Location Address2828 TARFLOWER WAYNaples, FL 34105-3028
Mailing Address2828 Tarflower WayNaples, FL 34105-3028 · (239) 649-0649
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 1985
Enumeration DateNovember 2, 2005
Last NPPES UpdateOctober 21, 20252 updates tracked since enumeration
NPPES CertifiedOctober 21, 2025
NPI 1699766378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in FL · ME51704
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
2828 TARFLOWER WAY, Naples, FL 34105

Other Identifiers 3

Other07380FL · Bcbs
Medicaid063787400FL
Other830004842FL · Rr Medicare

Accepted 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

Dr. Douglas D. Heldreth 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 ID1355366923
PECOS Enrollment IDI20051012000869
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 52

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.

Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138
Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.
111,180 services112 patients
Injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram Q5110
Filgrastim-aafi (Nivestym) is a biosimilar injection used to stimulate the growth of white blood cells, which help the body fight off infections. It's often given to patients with low white blood cell counts due to cancer treatments or other conditions.
26,940 services18 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
23,600 services39 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
17,100 services132 patients
Injection, daratumumab, 10 mg and hyaluronidase-fihj J9144
Daratumumab and hyaluronidase-fihj is an injection administered to treat certain types of blood cancer. The medication works by targeting and killing specific cancer cells. It's often given under the skin to reduce side effects and improve patient comfort.
15,120 services23 patients
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
The Gammagard Liquid injection is a type of immune globulin therapy. It's used to boost your body's immune system, helping it fight off infections. The therapy involves injecting a liquid form of proteins, collected from healthy donors, into your body. This is a 500mg dose.
10,962 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34105 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
$179.05 typical visit price
range $58.56 – $179.05
Typical copayment $44.76 (range $14.64 – $44.76)
Most-billed visit code 99205
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
95%2,658 patients4/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
90%39 patients4/55-star benchmark: 96%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
98%234 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
36%1,574 patients2/55-star benchmark: 99%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
57%1,574 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
9%1,574 patients1/55-star benchmark: 59%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$83.83 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$31.22 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier47 claims2,184 services$0.72 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers14 claims14 services$18.97 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier42 claims43 services$12.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Douglas Heldreth's NPI number?

The NPI number for Douglas Heldreth is 1699766378. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Douglas Heldreth located?

Douglas Heldreth practices at 2828 Tarflower Way, Naples, FL 34105. The listed phone number is (239) 649-0649.

What is Douglas Heldreth's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Douglas Heldreth enrolled in Medicare?

Yes. Douglas Heldreth 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 Douglas Heldreth accept?

Health plans from AvMed, Molina Healthcare and UnitedHealthcare list Douglas Heldreth 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 Douglas Heldreth was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.