DR. JOHN PIERPONT MASSEY IV M.D.
NPI 1609969724
Internal Medicine in Bethesda, MD

Q: What is John Massey's NPI number?

The NPI number for John Massey is 1609969724. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Q: What is John Massey's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Massey was last updated on February 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since October 02, 2006PECOS Enrolled

8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-0196(301) 400-0616 Get Directions Write a Review

NPPES record last updated: February 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. John Pierpont Massey Iv M.d. NPPES

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

DR. JOHN PIERPONT MASSEY IV M.D. (NPI 1609969724) is an individual internal medicine provider in Bethesda, Maryland, licensed in District Of Columbia (MD33079) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609969724

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. JOHN PIERPONT MASSEY IVCredential: M.D.

Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-2595

Mailing Address1855 Shepherd St NwWashington, DC 20011-5343 · (202) 882-4902

Phone(301) 295-0196

Fax(301) 400-0616

Sole ProprietorNo

Enumeration DateOctober 2, 2006

Last NPPES UpdateFebruary 19, 2025

NPPES CertifiedFebruary 19, 2025

✔ NPI 1609969724 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in DC · MD33079

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.

8901 ROCKVILLE PIKE, Bethesda, MD 20889

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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 (PECOS)

Dr. John Pierpont Massey Iv M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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 2

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

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

4 suppliers15 claims15 services$28.35 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

3 suppliers12 claims12 services$44.08 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.

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