Dr. Louis N. Weckstein, MD

  • San Ramon, CA
  • Reproductive endocrinology physician
NPI1700818036
Publications
29
Industry payments
$3,421
Affiliated sites
1
Medical group
1
Insurance carriers
6
Practice address
100 Park Pl, San Ramon, CA 94583
Practice phone
Call (925) 462-3020
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rancho Hand Surgery Center

San Ramon, California

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Dr. Louis N. Weckstein is a reproductive endocrinology physician in San Ramon, California

Dr. Weckstein practices at Rancho Hand Surgery Center in San Ramon, California.

Dr. Weckstein's NPI, 1700818036, was assigned on July 7, 2006. Dr. Weckstein graduated from University Of Michigan Medical School in 1980. Dr. Weckstein holds California license G45110.

NPI and contact details
NPI enumeration date
July 7, 2006
NPI status
Active
Practice phone
(925) 462-3020
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1980

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

Dr. Louis N. Weckstein practices at Rancho Hand Surgery Center in San Ramon, California

Dr. Weckstein's primary practice is Rancho Hand Surgery Center, at 100 Park Pl, San Ramon, CA 94583 in Contra Costa County. The practice phone is (925) 462-3020.

  • Rancho Hand Surgery Center
    100 Park Pl, San Ramon, CA 94583 · Contra Costa CountyPhone(925) 462-3020

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Louis N. Weckstein is affiliated with 2 sites of care and 1 medical group

Dr. Weckstein's primary practice is Rancho Hand Surgery Center in San Ramon, California. Dmand AI also links Dr. Weckstein to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Dr. Weckstein

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

Dmand AI tracks the EHR system at Dr. Louis N. Weckstein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weckstein practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rancho Hand Surgery CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Weckstein practices

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Dr. Louis N. Weckstein is one of 219 reproductive endocrinology physicians in California

Reproductive endocrinology is Dr. Weckstein's primary specialty in the NPI Registry, under taxonomy code 207VE0102X. Dr. Weckstein is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Weckstein is licensed in California.

Specialties and state licenses

  • Reproductive endocrinology, CaliforniaPrimaryLicense G45110 · 1981 to 2026 · taxonomy 207VE0102X

Reproductive endocrinology physicians near Dr. Weckstein

Counts of reproductive endocrinology physicians with a Dmand AI profile, by place and practice. Each opens the list.

219reproductive endocrinology physicians in California
5reproductive endocrinology physicians in San Ramon

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

Dr. Louis N. Weckstein's patients have a median age of 38

Across all payers, Dmand AI patient panel data puts Dr. Weckstein's median patient age at 38, with 95% women.

Dr. Weckstein's patients across all payers

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

Patient panel by age, all payers

Median age 38

Patient panel by sex, all payers

  • Women95%
  • Men1%

Source: Dmand AI Patient Panel Data

Dr. Louis N. Weckstein has 29 publications on record

Dmand AI links 29 papers to Dr. Weckstein, published from 2017 to 2022. 2022 was the busiest year, with 2. The most frequent topics are Fertilization in Vitro, Embryo Transfer and Ovulation Induction. Dr. Weckstein has published most often in Fertil Steril. Dr. Weckstein's most frequent co-authors are Donald I. Galen, MD, Alan B. Copperman, MD and Eduardo Hariton, MBA, MD.

Papers29
Years published2017 to 2022

Dr. Weckstein's papers by year, 2017 to 2022

Topics Dr. Weckstein writes about most

  • Fertilization in Vitro
  • Embryo Transfer
  • Ovulation Induction
  • Embryo Implantation
  • Estradiol
  • Leuprolide
  • Maternal Age
  • Oocytes

Dr. Weckstein's most frequent co-authors

Recent publications by Dr. Weckstein

See all 29 publications and co-authors

See who Dr. Weckstein researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Weckstein works with, so you can find a warm path to the right reproductive endocrinology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Louis N. Weckstein received $3,421 in industry payments from 2016 to 2023

CMS Open Payments shows 47 general payments to Dr. Weckstein from 5 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 78% of the total. Ferring Pharmaceuticals Inc. paid the most, $3,264.

General payments to Dr. Weckstein by program year, 2016 to 2023

General payments to Dr. Weckstein by kind, 2016 to 2023

$3.4Kin total
  • Speaker and faculty fees$2,66078%
  • Food and beverage$75122%
  • Education$100%

Companies that paid Dr. Weckstein the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Weckstein

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Louis N. Weckstein has 8 awards and honors on record

Dmand AI lists 8 awards for Dr. Weckstein, most recently Best Doctors in America in 2009.

Awards and honors for Dr. Weckstein

  1. 2009
    • Best Doctors in America
  2. 1993
    • Outstanding presentation by a practicing physician
  3. 1988
    • Faculty Teaching Award
  4. 1984
    • First Prize Paper
  5. 1982
    • Resident of the Year Award
  6. 1981
    • Resident Teaching Award
See all 8 awards

Source: Dmand AI Professional Profile Data

Dr. Louis N. Weckstein graduated from University Of Michigan Medical School

Dr. Weckstein graduated from University Of Michigan Medical School in 1980. Dr. Weckstein is a member of American College of Obstetricians and Gynecologists.

  1. Medical schoolUniversity Of Michigan Medical School
  2. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Louis N. Weckstein accepts plans from 6 insurance carriers

Dr. Weckstein is in network with 6 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Humana
  • Blue Cross and Blue Shield of Kansas City
  • Molina

Plan types Dr. Weckstein accepts, by number of carriers

  1. Medicare4
  2. PPO4
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Louis N. Weckstein'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Louis N. Weckstein

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

What is Dr. Louis N. Weckstein's NPI number?

Dr. Louis N. Weckstein's NPI number is 1700818036. It was assigned on July 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Louis N. Weckstein?

Dr. Louis N. Weckstein is a reproductive endocrinology physician in San Ramon, California. The primary specialty in the NPI Registry is Reproductive Endocrinology Physician (taxonomy code 207VE0102X).

Where does Dr. Louis N. Weckstein practice?

Dr. Weckstein practices at 100 Park Pl, San Ramon, CA 94583. Dr. Weckstein's primary practice is Rancho Hand Surgery Center in San Ramon, California. Dmand AI also links Dr. Weckstein to 1 group practice or clinic and 1 medical group.

What is Dr. Louis N. Weckstein's office phone number?

The practice phone on file for Dr. Weckstein is (925) 462-3020.

What is Dr. Louis N. Weckstein's medical license number?

Dr. Weckstein holds California license G45110.

Is Dr. Louis N. Weckstein board certified?

Yes. Dr. Weckstein is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.

Where did Dr. Louis N. Weckstein go to medical school?

Dr. Weckstein graduated from University Of Michigan Medical School in 1980.

Has Dr. Louis N. Weckstein received payments from drug or device companies?

CMS Open Payments shows $3,421 in general payments to Dr. Weckstein from 5 companies from 2016 to 2023. The largest total came from Ferring Pharmaceuticals Inc.

How long has Dr. Louis N. Weckstein been practicing?

Dr. Weckstein graduated from medical school in 1980, 46 years ago.

Does Dr. Louis N. Weckstein do research?

Dmand AI links 29 publications to Dr. Weckstein, published from 2017 to 2022.

Who does Dr. Louis N. Weckstein publish with?

Dr. Weckstein's most frequent co-authors are Donald I. Galen, MD (5 shared papers), Alan B. Copperman, MD (2 shared papers) and Eduardo Hariton, MBA, MD (2 shared papers).

What insurance does Dr. Louis N. Weckstein accept?

Dr. Weckstein is in network with 6 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.

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