Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1770043473 Individual Practitioner Female Practitioner

Merry Zhechao Ruan

Ophthalmology • Houston, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Merry Ruan is a certified Ophthalmology practicing in Houston, TX. With approximately 7 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 2019, Merry Ruan delivers high-quality medical care to the local community at 2855 GRAMERCY ST.

Merry Ruan is affiliated with Hea Clinic Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit with low level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2855 Gramercy St

Houston, TX 770251756

Telephone 7136686828
Associated Practice Facility / Clinic
🏢 Hea Clinic Pa Facility NPI 1467420240

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Houston, TX

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -17.9 yrs vs City Avg
City Avg: 24.9 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
276 Specialists

Practicing in Houston, TX (1616 Statewide)

Telehealth Adoption Rate
1.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
69.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ruan (7 Years) 7 Yrs
Houston Specialty Average (24.9 Years) 24.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99283 Emergency department visit with low level of medical decision making
63 62 $250.00 $77.56

Medical Specialties & State Licenses

CMS Verified: 2025-01-31
Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License TX V1603

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Hospital & Practice Group Affiliations

Hea Clinic Pa

2855 Gramercy St, Houston, TX 770251635

Phone: 7136686828

Practice Associates & Co-Workers

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

34 Associated Practitioners
NPI 1063407153

Doctor of Medicine (M.D.)

Dr. Fiaz Zaman , MD

Ophthalmology

NPI 1073508164

Doctor of Medicine (M.D.)

Dr. Mark Vital , MD

Ophthalmology

NPI 1073515912

Doctor of Medicine (M.D.)

Dr. Lindsey Harris , MD

Ophthalmology - Retina Specialist

NPI 1093729402

Doctor of Medicine (M.D.)

NPI 1144215336

Doctor of Medicine (M.D.)

NPI 1154316255

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

13 Historical Events
📍
Updated Practice Location November 07, 2024

Registered at 2855 GRAMERCY ST, HOUSTON, TX 770251756 (Tel: 7136686828)

📍
Updated Business Mailing Address November 07, 2024

Registered at 2855 GRAMERCY ST STE 400, HOUSTON, TX 770251756 (Tel: 7136686828)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 07, 2024

Ophthalmology (License #V1603 in TX)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 09, 2023

Ophthalmology (License #ME162869 in FL)

📍
Updated Practice Location June 21, 2023

Registered at 900 NW 17TH ST, MIAMI, FL 331361119 (Tel: 3054824775)

📍
Updated Business Mailing Address June 21, 2023

Registered at 900 NW 17TH ST, MIAMI, FL 331361119

👤
Provider Name / Credentials Updated September 22, 2020

Recorded as MERRY RUAN

NPI Profile Active March 20, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location March 20, 2019

Registered at 513 PARNASSUS AVE # S321, SAN FRANCISCO, CA 941432205 (Tel: 4154761239)

📍
Updated Business Mailing Address March 20, 2019

Registered at 513 PARNASSUS AVE # S321, SAN FRANCISCO, CA 941432205

👤
Provider Name / Credentials Updated March 20, 2019

Recorded as ZHECHAO RUAN

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 20, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 20, 2019

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: 1770043473
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 20, 2019
Last Update: January 31, 2025
Sole Proprietor: No

Mailing Address

2855 Gramercy St Ste 400

Houston, TX 770251756

Phone: 7136686828

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.