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DR. RUBY C ALONZO M.D.
NPI 1386776193
Obstetrics & Gynecology in Prince Frederick, MD

Active since March 09, 2007
110 HOSPITAL RD, SUITE #211, PRINCE FREDERICK, MD 20678(410) 535-5610(410) 535-6836 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ruby C Alonzo M.d. NPPES

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

DR. RUBY C ALONZO M.D. (NPI 1386776193) is an individual obstetrics & gynecology provider in Prince Frederick, Maryland, licensed in Maryland (D0029702) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1386776193
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. RUBY C ALONZOCredential: M.D.
Location Address110 HOSPITAL RD, SUITE #211Prince Frederick, MD 20678-4019
Mailing Address110 Hospital Rd, Suite #211Prince Frederick, MD 20678-4019 · (410) 535-5610 · Fax (410) 535-6836
Phone(410) 535-5610
Fax(410) 535-6836
Sole ProprietorNo
Enumeration DateMarch 9, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1386776193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0029702
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
110 HOSPITAL RD, Prince Frederick, MD 20678
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Other Identifiers 6

Other410213-03Blue Shield Of Maryland
Medicare UPIND76412
Medicare ID-Type Unspecified059N907FMD
Other2217644Aetna Us Healthcare
Other6906-0001Blue Shield Dc
Other367313Mamsi United Health Care

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. GENE GUY TUDOR MD
Otolaryngology
110 HOSPITAL RD, SUITE 204
PRINCE FREDERICK, MD 20678
Calvert County (410) 414-7288
CASSIUS DIEGO BELFONTE MD
Internal Medicine (Cardiovascular Disease)
110 HOSPITAL RD, SUITE 306
PRINCE FREDERICK, MD 20678
Calvert County (410) 414-6559
DR. BILAL AHMED MD
Internal Medicine (Hematology & Oncology)
110 HOSPITAL RD, SUITE 105
PRINCE FREDERICK, MD 20678
Calvert County (410) 414-9116
DR. APARAJITA K MAHATA MD F.A.C.O.G.
Obstetrics & Gynecology
110 HOSPITAL RD, SUITE 203
PRINCE FREDERICK, MD 20678
Calvert County (410) 414-4740
CALVERT OBGYN ASSOCIATES OF SOUTHERN MARYLAND, LLC
Obstetrics & Gynecology
110 HOSPITAL RD, SUITE 211
PRINCE FREDERICK, MD 20678
Calvert County (410) 535-3642
CALVERT FAMILY PRACTICE ASSOCIATES, P.A.
Family Medicine
110 HOSPITAL RD, SUITE 111
PRINCE FREDERICK, MD 20678
Calvert County (410) 535-4488
DR. RICHARD MICHAEL CIRILLO M.D.
Orthopaedic Surgery
110 HOSPITAL RD, SUITE 201
PRINCE FREDERICK, MD 20678
Calvert County (866) 705-5729
DR. KANAYO EKEADA PHARMD
Pharmacist
110 HOSPITAL RD, SUITE 100
PRINCE FREDERICK, MD 20678
Calvert County (410) 535-3838

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 Ruby Alonzo's NPI number?

The NPI number for Ruby Alonzo is 1386776193. It was assigned to this individual provider in the NPPES registry on March 9, 2007.

Where is Ruby Alonzo located?

Ruby Alonzo practices at 110 Hospital Rd Suite #211, Prince Frederick, MD 20678. The listed phone number is (410) 535-5610.

What is Ruby Alonzo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Ruby Alonzo was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.