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DR. ROBERT PAUL FIELDS M.D.
NPI 1578563292
Internal Medicine in Olney, MD

Active since July 22, 2005Opted out of Medicare · through Oct 1, 2026
18109 PRINCE PHILIP DR, SUITE 200, OLNEY, MD 20832(301) 774-7115(301) 570-6662 Get Directions Write a Review

NPPES record last updated: March 26, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Robert Paul Fields M.d. NPPES

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

DR. ROBERT PAUL FIELDS M.D. (NPI 1578563292) is an individual internal medicine provider in Olney, Maryland, licensed in Maryland (D0034740) and active in the NPI registry since July 2005. He has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1578563292
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT PAUL FIELDSCredential: M.D.
Location Address18109 PRINCE PHILIP DR, SUITE 200Olney, MD 20832-1519
Mailing Address18109 Prince Philip Dr Ste 200Olney, MD 20832-1524 · (301) 774-7115 · Fax (301) 570-6662
Phone(301) 774-7115
Fax(301) 570-6662
Sole ProprietorYes
Enumeration DateJuly 22, 2005
Last NPPES UpdateMarch 26, 2010
✔ NPI 1578563292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0034740
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
18109 PRINCE PHILIP DR, Olney, MD 20832
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Other Identifiers 1

Medicare UPIND09385

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Robert Paul Fields M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2012 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2012
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20832 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
6 suppliers11 claims66 services$1.72 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 20

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

SHAWN CHONG PA-C
Physician Assistant (Surgical)
18109 PRINCE PHILIP DR, SUITE 300
OLNEY, MD 20832
Montgomery County (301) 570-8554
DR. JOSHUA LOMKE DDS
Dentist
18109 PRINCE PHILIP DR, SUITE 270
OLNEY, MD 20832
Montgomery County (301) 260-0700
MARY PAT P HULTENG PTA
Physical Therapy Assistant
18109 PRINCE PHILIP DR
OLNEY, MD 20832
Montgomery County (301) 540-6140
MERCEDES BRITO PTA
Physical Therapy Assistant
18109 PRINCE PHILIP DR
OLNEY, MD 20832
Montgomery County (301) 540-6140
ANDREA MARIE GERACI NP
Nurse Practitioner (Family)
18109 PRINCE PHILIP DR, SUITE B200
OLNEY, MD 20832
Montgomery County (301) 875-1494
JUSTICE LYNAEE MCFARLAND
Student in an Organized Health Care Education/Training Program
18109 PRINCE PHILIP DR
OLNEY, MD 20832
Montgomery County (240) 559-5350
DR. CARTER WALLACE MITCHELL M.D.
Orthopaedic Surgery (Sports Medicine)
18109 PRINCE PHILIP DR, SUITE 325
OLNEY, MD 20832
Montgomery County (301) 774-8958
MARIA ELENA MARCOS ESPINA P.A.-C
Physician Assistant (Surgical)
18109 PRINCE PHILIP DR, SUITE 300
OLNEY, MD 20832
Montgomery County (301) 570-7203

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 Robert Fields's NPI number?

The NPI number for Robert Fields is 1578563292. It was assigned to this individual provider in the NPPES registry on July 22, 2005.

Where is Robert Fields located?

Robert Fields practices at 18109 Prince Philip Dr Suite 200, Olney, MD 20832. The listed phone number is (301) 774-7115.

What is Robert Fields's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Robert Fields enrolled in Medicare?

No. Robert Fields has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Robert Fields was last updated on March 26, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.