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DR. ALLEY ESTELLE RONALDI M.D.
NPI 1225491814
Surgery - Vascular Surgery in Washington, DC

Active since March 31, 2016PECOS EnrolledAccepts Medicare Assignment
900 23RD ST NW, WASHINGTON, DC 20037(202) 741-3210(202) 741-3238 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2026, May 1, 2026, Jan 26, 2026 and 5 more (8 updates tracked since 2016).

About Dr. Alley Estelle Ronaldi M.d. NPPES

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

DR. ALLEY ESTELLE RONALDI M.D. (NPI 1225491814) is an individual vascular surgery provider in Washington, District Of Columbia, licensed in District Of Columbia (MD600004633) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Miami Valley Hospital, and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1225491814
Entity TypeIndividualFemale
Primary Taxonomy2086S0129X
Provider Legal NameDR. ALLEY ESTELLE RONALDICredential: M.D.
Location Address900 23RD ST NWWashington, DC 20037-2342
Mailing Address8901 Wisconsin AveBethesda, MD 20889-0001 · (301) 319-4462
Phone(202) 741-3210
Fax(202) 741-3238
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2016
Enumeration DateMarch 31, 2016
Last NPPES UpdateJuly 17, 20268 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1225491814 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
Licenses✔ Licensed in DC · MD600004633✔ Licensed in VA · 0101265061✔ Licensed in MN · 73676✔ Licensed in MD · D0105851✔ Licensed in PA · MD494626
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Also ListedSurgeryTaxonomy 208600000X · License 0101265061 (VA), 73676 (MN)
900 23RD ST NW, Washington, DC 20037
Open in Google Maps ↗

Secondary Practice Locations 6

Location 1252 S 4th St Fl 2Lebanon, PA 17042-6111 · Phone (717) 270-3751
Location 21 Wyoming St Ste 4130Dayton, OH 45409-2722 · Phone (937) 438-8640
Location 3200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511
Location 4620 John Paul Jones CirPortsmouth, VA 23708-2111 · Phone (757) 953-5000
Location 5Gen Surg Walter Reed National Military Ctr, 8901 Wisconsin AvenueBethesda, MD 20889-0001 · Phone (301) 319-4462
Location 6179 N Reading RdEphrata, PA 17522-1647 · Phone (717) 738-0167

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alley Estelle Ronaldi 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 ID7113398645
PECOS Enrollment IDI20260202002650, I20260427000783
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Alley Ronaldi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Faculty Associates, Inc
0.1 mi
Anesthesiology
2150 PENNSYLVANIA AVE NW, SUITE 10-409A
Washington, DC 20037
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,275 clinicians in this Medicare group
NPI 1417990581 (202) 741-3350
Johns Hopkins Community Physicians
3.5 mi
Internal Medicine
4102 WILSON BLVD
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1689485963 (Maryland)
  • 691 clinicians in this Medicare group
NPI 1902626765 (703) 462-1777
Wellspan Medical Group
53 mi
Family Medicine
52 WATER ST
Thurmont, MD 21788
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3,080 clinicians in this Medicare group
NPI 1881762995 (301) 271-3535
Pinnacle Health Cardiovascular Institute Inc
95 mi
Cardiovascular Disease
1000 N FRONT ST
Wormleysburg, PA 17043
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 132 clinicians in this Medicare group
NPI 1952603342 (717) 230-3416
Premier Health Specialists Inc
372 mi
Obstetrics & Gynecology
100 KAHOE LN
Yellow Springs, OH 45387
  • Reassigned Medicare billing, Ohio enrollment
  • 812 clinicians in this Medicare group
NPI 1356639397 (937) 767-7311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Miami Valley Hospital

Acute Care Hospitals · Dayton, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360051
LocationOne Wyoming StreetDayton, OH 45409 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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. MUSTAFA BASSAM HAMMUDI MD
Internal Medicine
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-5109
DR. WILLIAM ANDREW HIATT MD
Student in an Organized Health Care Education/Training Program
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3000
DR. SHANE ZAMANI MD
Anesthesiology
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-4750
MRS. KATHERINE CAROLINE FOX PA-C, MPH
Physician Assistant (Surgical)
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-5000
MICHAEL WILLIAM HELBIG MD
Student in an Organized Health Care Education/Training Program
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 741-3100
DR. AYAL ZEV PIERCE MD
Emergency Medicine
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-4000
CALLIE BEEGLE PA-C
Physician Assistant
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 715-4000
MEGAN KATHLEEN DAILEY PA-C
Physician Assistant
900 23RD ST NW
WASHINGTON, DC 20037
District of Columbia (202) 741-2210

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 Alley Ronaldi's NPI number?

The NPI number for Alley Ronaldi is 1225491814. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Where is Alley Ronaldi located?

Alley Ronaldi practices at 900 23rd St NW, Washington, DC 20037. The listed phone number is (202) 741-3210.

What is Alley Ronaldi's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Alley Ronaldi enrolled in Medicare?

Yes. Alley Ronaldi 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.

Which organizations bill Medicare for Alley Ronaldi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alley Ronaldi reassigns Medicare benefits to 5 organizations: Medical Faculty Associates, Inc (Washington, DC), Johns Hopkins Community Physicians (Arlington, VA), Wellspan Medical Group (Thurmont, MD), Pinnacle Health Cardiovascular Institute Inc (Wormleysburg, PA) and Premier Health Specialists Inc (Yellow Springs, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alley Ronaldi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alley Ronaldi accept?

Health plans from CareSource list Alley Ronaldi 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.

Is Alley Ronaldi affiliated with any hospitals?

According to CMS data, Alley Ronaldi is affiliated with Miami Valley Hospital.

When was this NPI record last updated?

The NPPES record for Alley Ronaldi was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.