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Catherine Shir, MDPsychiatrist in Sunnyvale, CA

Catherine Shir, MD is a psychiatrist at 830 Stewart Dr Ste 127, Sunnyvale, CA 94085, ranked #1 of 285 psychiatrists in Sunnyvale and rated 5.0 from 10 Google reviews.

This profile is built from public listing data. Confirm the provider’s license, services, fees and availability with the practice before you book.

Sunnyvale, CAUpdated 0 paid placements in any rankingHow we rank

Call (510) 431-2205Website ↗

Key facts

Key facts about Catherine Shir, MD
Address830 Stewart Dr Ste 127, Sunnyvale, CA 94085Get directions
Phone(510) 431-2205
Websiteshirmd.com
Google rating5.0 from 10 Google reviews

Specialties

Each specialty shows the evidence we matched it on.

  • Psychiatrymain specialtyGoogle main category
  • Therapists and Counselorsadditional Google category

Service area

Serves Sunnyvale and 11 towns within 40 miles: Santa Clara, Mountain View, Cupertino, Los Altos, Milpitas, San Jose, Campbell, Saratoga, Palo Alto, Stanford and East Palo Alto.

Based in Sunnyvale, CAView on map

Questions about Catherine Shir, MD

How is Catherine Shir, MD ranked in Sunnyvale?

Catherine Shir, MD is ranked #1 of 285 psychiatrists in Sunnyvale by RP Score, with 75 out of 100 as of November 2026. The score weighs reputation, review volume, recency, availability, specialty focus, proximity, claimed profile and partnered. No business can pay to change its rank.

What areas does Catherine Shir, MD serve?

Serves Sunnyvale and 11 towns within 40 miles: Santa Clara, Mountain View, Cupertino, Los Altos, Milpitas, San Jose, Campbell, Saratoga, Palo Alto, Stanford and East Palo Alto. The list is based on the business's location and the usual service radius for psychiatry. Confirm your address is covered when you call.

What do Google reviews say about Catherine Shir, MD?

Catherine Shir, MD has a rating of 5.0 from 10 Google reviews. The RP Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Catherine Shir, MD?

Call Catherine Shir, MD on (510) 431-2205. The business is at 830 Stewart Dr Ste 127, Sunnyvale, CA 94085. Its website is linked in the key facts on this page. Ask about fees, insurance and openings before you book a first session.

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Claiming is free. Correct your hours, specialties and service area. The RP Score is recalculated from corrected data; payment never changes it.

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Compare nearby psychiatrists

Catherine Shir, MD compared with nearby businesses
BusinessRankRP ScoreGoogle ratingSaturdaySundayDistance away
Catherine Shir, MD (this business)—755.0 (10)——
Advanced Psychiatry Associates#2754.6 (218)YesYes6.8 mi
Advanced Psychiatry Associates#3744.7 (177)YesYes9.1 mi

See all 285 ranked psychiatrists in Sunnyvale