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Active NPI 1780609990 Individual Practitioner Female Practitioner

Dana Ann Ryan , DR

Internal Medicine • Alpine, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dana Ryan, DR is a certified Internal Medicine practicing in Alpine, CA. With approximately 29 years of clinical experience since graduating from Washington University School Of Medicine in 1997, Dana Ryan delivers high-quality medical care to the local community at SAN YSIDRO HEALTH.

Dana Ryan is affiliated with Centro De Salud De La Comunidad De San Ysidro, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include hemoglobin a1c level, routine electrocardiogram (ecg) using at least 12 leads with tracing, blood glucose (sugar) test performed by hand-held instrument. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

San Ysidro Health
1620 Alpine Blvd.

Alpine, CA 91901

Telephone 6196624100
Fax 6193203347
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Washington University School Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Alpine, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
29 Yrs +12.0 yrs vs City Avg
City Avg: 17.0 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
4 Specialists

Practicing in Alpine, CA (18502 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
59.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ryan (29 Years) 29 Yrs
Alpine Specialty Average (17.0 Years) 17.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
83036 Hemoglobin A1C level
49 40 $23.27 $9.52

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A66830

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A668300 (CA)

Hospital & Practice Group Affiliations

Centro De Salud De La Comunidad De San Ysidro, Inc.

1620 Alpine Blvd, Alpine, CA 919011103

Phone: 6196624100

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Ava Arshadi , DDS

Dentist - Pediatric Dentistry

NPI 1003310251

Doctor of Dental Surgery

Nicole Renteria , RN

Registered Nurse

NPI 1003404062

Registered Nurse

Dr. Jennifer Fritz , PsyD

Psychologist - Clinical

NPI 1013071497

Doctor of Psychology (Psy.D.)

Virginia Sanchez , RN

Registered Nurse - Infection Control

NPI 1013242056

Registered Nurse

NPI 1013399559

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

NPI 1013659184

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location August 15, 2025

Registered at SAN YSIDRO HEALTH, 1620 ALPINE BLVD., ALPINE, CA 91901 (Tel: 6196624100)

👤
Provider Name / Credentials Updated August 15, 2025

Recorded as DANA RYAN, DR.

NPI Profile Active April 24, 2010

NPI status registered as active in NPPES database

📍
Updated Practice Location April 24, 2010

Registered at 949 PALM AVE, IMPERIAL BEACH, CA 919321503 (Tel: 6194293733)

📍
Updated Business Mailing Address April 24, 2010

Registered at 949 PALM AVE, IMPERIAL BEACH, CA 919321503 (Tel: 6194293733)

👤
Provider Name / Credentials Updated April 24, 2010

Recorded as DANA RYAN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 24, 2010

Internal Medicine (License #A66830 in CA)

🟢
Initial NPI Registration & Enumeration July 12, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1780609990
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 12, 2006
Last Update: August 15, 2025
Sole Proprietor: No

Mailing Address

949 Palm Ave

Imperial Beach, CA 919321503

Phone: 6194293733

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.