DR. JOSEPH EMMANUEL MCCLAIN M.D.
NPI 1194968297
Internal Medicine in Gaithersburg, MD

Active since April 20, 2009PECOS EnrolledAccepts Medicare Assignment
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(301) 848-8790 Get Directions Write a Review

NPPES record last updated: June 1, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 1, 2021, Aug 10, 2018, Feb 27, 2017 (3 updates tracked since 2017).

About Dr. Joseph Emmanuel Mcclain M.d. NPPES

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

DR. JOSEPH EMMANUEL MCCLAIN M.D. (NPI 1194968297) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Illinois (036128625) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1194968297
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOSEPH EMMANUEL MCCLAINCredential: M.D.
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3301
Mailing Address3205 Coquelin TerChevy Chase, MD 20815-4840 · (703) 201-8792
Sole ProprietorNo
Medical School CMSEastern Virginia Medical SchoolGraduated 2009
Enumeration DateApril 20, 2009
Last NPPES UpdateJune 1, 20213 updates tracked since enumeration
NPPES CertifiedJune 1, 2021
NPI 1194968297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IL · 036128625
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.

Also ListedHospitalistTaxonomy 208M00000X · License 036128625 (IL)
655 WATKINS MILL RD, Gaithersburg, MD 20879

Secondary Practice Locations 2

Location 17131 Arlington Rd, apt 446Bethesda, MD 20814-2903 · Phone (703) 201-8792
Location 25255 Loughboro Rd NWWashington, DC 20016-2633 · Phone (202) 537-4000

Other Identifiers 1

Medicaid3810023666WV

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. Joseph Emmanuel Mcclain 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 ID1759543887
PECOS Enrollment IDI20180927001192
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

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.

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.
35 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Holy Cross Hospital

Acute Care Hospitals · Silver Spring, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number210004
Location1500 Forest Glen RoadSilver Spring, MD 20910 · Montgomery County
Birthing friendly

Suburban Hospital

Acute Care Hospitals · Bethesda, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210022
Location8600 Old Georgetown RoadBethesda, MD 20814 · Montgomery County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20879 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.

Other Providers at the Same Location NPPES 19

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

Nutritionist
655 WATKINS MILL RD, KAISER PERMANENTE GAITHERSBURG MEDICAL CENTER
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879

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 Joseph Mcclain's NPI number?

The NPI number for Joseph Mcclain is 1194968297. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Where is Joseph Mcclain located?

Joseph Mcclain practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (301) 848-8790.

What is Joseph Mcclain's specialty?

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

Is Joseph Mcclain enrolled in Medicare?

Yes. Joseph Mcclain 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.

Is Joseph Mcclain affiliated with any hospitals?

According to CMS data, Joseph Mcclain is affiliated with Holy Cross Hospital and Suburban Hospital.

When was this NPI record last updated?

The NPPES record for Joseph Mcclain was last updated on June 1, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.