1. Home
  2. Directory
  3. District Of Columbia
  4. Washington
  5. Internal Medicine
  6. NPI Profile

ALAN W STONE MD
NPI 1013083880
Internal Medicine in Washington, DC

Active since November 25, 2006PECOS EnrolledCLIA 09D0691702 · Microscopy
2021 K ST NW, SUITE 404, WASHINGTON, DC 20006(202) 466-8118(202) 466-2408 Get Directions Write a Review

NPPES record last updated: December 11, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Alan W Stone Md NPPES

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

ALAN W STONE MD (NPI 1013083880) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD5417) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and holds a CLIA Microscopy certificate valid through August 31, 2026.

NPPES Registry Identity

NPI1013083880
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALAN W STONECredential: MD
Location Address2021 K ST NW, SUITE 404Washington, DC 20006-1003
Mailing Address2021 K St Nw, Suite 404Washington, DC 20006-1003 · (202) 466-8118 · Fax (202) 466-2408
Phone(202) 466-8118
Fax(202) 466-2408
Sole ProprietorYes
Enumeration DateNovember 25, 2006
Last NPPES UpdateDecember 11, 2012
✔ NPI 1013083880 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 · MD5417
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.
2021 K ST NW, Washington, DC 20006
Open in Google Maps ↗

Other Names 1

Professional Name (2)Dr. Alan W Stone M.d.

Other Identifiers 2

Medicare ID-Type Unspecified410279
Medicare UPINC62638

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alan W Stone Md 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.

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 for Provider-Performed Microscopy Procedures (PPMP) 09D0691702

Alan W Stone, Jeffrey B Sherman, Sian L Spurney, And Andrea Flory, Mds · Washington, DC
Active · expires Aug 31, 2026
CLIA Number09D0691702
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorAlan W. Stone
Laboratory Phone(202) 466-8118
Laboratory LocationAlan W Stone, Jeffrey B Sherman, Sian L Spurney, And Andrea Flory, Mds2021 K Street N W #404, Washington, DC 20006
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20006 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 20

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

DR. STEVEN MACHT MD
Surgery (Plastic and Reconstructive Surgery)
2021 K ST NW, #217
WASHINGTON, DC 20006
District of Columbia (202) 887-8120
KIMBERLY SUZANNE MOON MD
Obstetrics & Gynecology (Reproductive Endocrinology)
2021 K ST NW, SUITE 701
WASHINGTON, DC 20006
District of Columbia (202) 296-2595
DR. MARC JAY HOLZMAN M.D.
Ophthalmology
2021 K ST NW, SUITE 416
WASHINGTON, DC 20006
District of Columbia (202) 296-1333
SOFT TOUCH DENTISTS PC
Dentist
2021 K ST NW, SUITE 103
WASHINGTON, DC 20006
District of Columbia (202) 333-3883
JEFFREY B SHERMAN MD
Internal Medicine
2021 K ST NW, SUITE 404
WASHINGTON, DC 20006
District of Columbia (202) 466-8118
DR. MICHAEL J SCHWARTZ M.D.
Internal Medicine (Gastroenterology)
2021 K ST NW, SUITE T-110
WASHINGTON, DC 20006
District of Columbia (202) 296-3449
DR. BARRY PASS DDS
Dentist (Oral and Maxillofacial Radiology)
2021 K ST NW, SUITE 200
WASHINGTON, DC 20006
District of Columbia (202) 293-9729
MARC J HOLZMAN
Exclusive Provider Organization
2021 K ST NW, SUITE 416
WASHINGTON, DC 20006
District of Columbia (202) 296-1333

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 Alan Stone's NPI number?

The NPI number for Alan Stone is 1013083880. It was assigned to this individual provider in the NPPES registry on November 25, 2006. The provider is also known as Dr. Alan W Stone M.D..

Where is Alan Stone located?

Alan Stone practices at 2021 K St NW Suite 404, Washington, DC 20006. The listed phone number is (202) 466-8118.

What is Alan Stone's specialty?

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

Is Alan Stone enrolled in Medicare?

Yes. Alan Stone is registered in the Medicare PECOS enrollment system.

Does Alan Stone hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 09D0691702) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Alan Stone was last updated on December 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.