Ruby G. Lin

  • San Leandro, CA
  • OB-GYN
NPI1275038689PAC ID9537596317
Part D claims, 2022
16
MIPS score, 2024
88
Hospital affiliations
1
Medical groups
2
State license
1
Practice address
2500 Merced Street, San Leandro, CA 94577
Practice phone
Call (510) 454-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

San Leandro Medical Center

Hospital · San Leandro, California

See all 4 affiliations

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Ruby G. Lin is an OB-GYN in San Leandro, California

Ruby Lin practices at San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente.

Ruby Lin's NPI, 1275038689, was assigned on March 27, 2018. Ruby Lin graduated from University of California, San Francisco School of Medicine in 2018. Ruby Lin holds New Jersey license 25MA11371200.

NPI and contact details
Medicare PAC ID
9537596317
NPI enumeration date
March 27, 2018
NPI status
Active
Practice phone
(510) 454-1000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Ruby G. Lin practices at San Leandro Medical Center in San Leandro, California

Ruby Lin's primary practice is San Leandro Medical Center, at 2500 Merced Street, San Leandro, CA 94577 in Alameda County. The practice phone is (510) 454-1000.

Source: Dmand AI Affiliation Data

Ruby G. Lin is affiliated with 2 sites of care and 2 medical groups

Ruby Lin's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Ruby Lin to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Ruby Lin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Ruby G. Lin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ruby Lin practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Leandro Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Ruby G. Lin is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Ruby Lin's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Ruby Lin is licensed in New Jersey.

Specialties and state licenses

  • Obstetrics and gynecology, New JerseyPrimaryLicense 25MA11371200 · taxonomy 207V00000X

OB-GYNs near Ruby Lin

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ruby G. Lin's patients have a median age of 32

Across all payers, Dmand AI patient panel data puts Ruby Lin's median patient age at 32, with 100% women.

Ruby Lin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 32

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Ruby G. Lin wrote 16 Medicare Part D claims in 2022

In 2022, Ruby Lin wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $89 in total drug cost.

Part D claims, 202216
Drugs named by CMS1
Total drug cost$89

Ruby Lin's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Ruby Lin

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Ruby G. Lin scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Ruby Lin for performance year 2024, reported as part of a group.

Ruby Lin's MIPS scores, performance year 2024

  • 88of 100Final score
  • 70.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Ruby G. Lin graduated from University of California, San Francisco School of Medicine

Ruby Lin graduated from University of California, San Francisco School of Medicine in 2018.

  1. Medical schoolUniversity of California, San Francisco School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Ruby G. Lin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ruby G. Lin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Ruby G. Lin's NPI number?

Ruby G. Lin's NPI number is 1275038689. It was assigned on March 27, 2018, and it is active in the NPI Registry.

What does Ruby G. Lin specialize in?

Ruby G. Lin is an OB-GYN in San Leandro, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Ruby G. Lin practice?

Ruby Lin practices at 2500 Merced Street, San Leandro, CA 94577. Ruby Lin's primary practice is San Leandro Medical Center in San Leandro, California, part of Kaiser Permanente. Dmand AI also links Ruby Lin to 1 group practice or clinic and 1 medical group.

What is Ruby G. Lin's office phone number?

The practice phone on file for Ruby Lin is (510) 454-1000.

What is Ruby G. Lin's medical license number?

Ruby Lin holds New Jersey license 25MA11371200.

Which hospitals is Ruby G. Lin affiliated with?

Ruby Lin practices at San Leandro Medical Center in San Leandro, California.

What medical group is Ruby G. Lin part of?

Ruby Lin is linked to The Permanente Medical Group, Inc. Dmand AI links Ruby Lin to 1 more medical group.

What is Ruby G. Lin's MIPS score?

Ruby Lin's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Where did Ruby G. Lin go to medical school?

Ruby Lin graduated from University of California, San Francisco School of Medicine in 2018.

What drugs does Ruby G. Lin prescribe most?

In 2022 Medicare Part D data, Ruby Lin's most prescribed drugs by claims were Oxycodone HCl.

How long has Ruby G. Lin been practicing?

Ruby Lin graduated from medical school in 2018, 8 years ago.

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