Dr. Sandra C. Crowder, MD

  • Pomona, CA
  • OB-GYN
NPI1346392719
Part D claims, 2021
18
Publications
1
Hospital affiliations
2
Medical group
1
Insurance carriers
1
Practice address
255 E Bonita Ave, Pomona, CA 91767
Practice phone
Call (909) 596-7733
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

See all 4 affiliations

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Dr. Sandra C. Crowder is an OB-GYN in Pomona, California

Dr. Crowder practices at Casa Colina Hospital and Centers for Healthcare in Pomona, California, part of Casa Colina Hospital and Centers for Healthcare.

Dr. Crowder's NPI, 1346392719, was assigned on January 17, 2007. Dr. Crowder graduated from Indiana University School Of Medicine in 1986. Dr. Crowder holds California license G71535.

NPI and contact details
NPI enumeration date
January 17, 2007
NPI status
Active
Practice phone
(909) 596-7733
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
66
Medical school graduation
1986

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

Dr. Sandra C. Crowder practices at Casa Colina Hospital and Centers for Healthcare in Pomona, California

Dr. Crowder's primary practice is Casa Colina Hospital and Centers for Healthcare, at 255 E Bonita Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 596-7733.

Source: Dmand AI Affiliation Data

Dr. Sandra C. Crowder is affiliated with 3 sites of care and 1 medical group

Dr. Crowder's primary practice is Casa Colina Hospital and Centers for Healthcare in Pomona, California, part of Casa Colina Hospital and Centers for Healthcare. Dr. Crowder is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Crowder to 1 more ambulatory surgery center, named with a free account.

See all 4 affiliations for Dr. Crowder

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

Dmand AI tracks the EHR system at Dr. Sandra C. Crowder's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Crowder practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Casa Colina Hospital and Centers for HealthcareAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sandra C. Crowder is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Crowder's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Crowder is board certified in female pelvic medicine and reconstructive surgery by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Crowder's licenses on file in 2 states: California and Michigan.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense G71535 · 1991 to 2027 · taxonomy 207V00000X
  • Michigan license1987 to 1994

OB-GYNs near Dr. Crowder

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

Dr. Sandra C. Crowder's patients have a median age of 37

Across all payers, Dmand AI patient panel data puts Dr. Crowder's median patient age at 37, with 99% women.

Dr. Crowder's patients across all payers

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

Patient panel by age, all payers

Median age 37

Patient panel by sex, all payers

  • Women99%
  • Men0%

Source: Dmand AI Patient Panel Data

Dr. Sandra C. Crowder wrote 18 Medicare Part D claims in 2021

In 2021, Dr. Crowder wrote 18 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,093 in total drug cost. In 2020, CMS named 33 claims across 2 drugs.

Part D claims, 202118
Drugs named by CMS1
Total drug cost$1,093

Dr. Crowder's most prescribed drugs by claims, 2021

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

Part D claims for drugs CMS names, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 332021: 1845%

Drugs named by CMS: 1 in 2021, 2 in 2020.

See all prescribing by Dr. Crowder

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

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Dr. Sandra C. Crowder has 1 publication on record

Dmand AI links 1 paper to Dr. Crowder in 2015. Dr. Crowder's most frequent co-authors are Esteban Andryjowicz, MD, Sara Noroozkhani, MD and James D. Rudolf, MD.

Papers1

Dr. Crowder's most frequent co-authors

Recent publications by Dr. Crowder

See all 1 publications and co-authors

See who Dr. Crowder researches with

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

How network discovery works

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

Dr. Sandra C. Crowder graduated from Indiana University School Of Medicine

Dr. Crowder graduated from Indiana University School Of Medicine in 1986.

  1. Medical schoolIndiana University School Of Medicine
  2. Board certified in female pelvic medicine and reconstructive surgeryAmerican Board of Obstetrics and Gynecology
  3. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Sandra C. Crowder accepts plans from 1 insurance carrier

Dr. Crowder is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente

Plan types Dr. Crowder accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Sandra C. Crowder'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Sandra C. Crowder

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. Sandra C. Crowder's NPI number?

Dr. Sandra C. Crowder's NPI number is 1346392719. It was assigned on January 17, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Sandra C. Crowder?

Dr. Sandra C. Crowder is an OB-GYN in Pomona, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Sandra C. Crowder practice?

Dr. Crowder practices at 255 E Bonita Ave, Pomona, CA 91767. Dr. Crowder's primary practice is Casa Colina Hospital and Centers for Healthcare in Pomona, California, part of Casa Colina Hospital and Centers for Healthcare. Dmand AI also links Dr. Crowder to 1 ambulatory surgery center.

What is Dr. Sandra C. Crowder's office phone number?

The practice phone on file for Dr. Crowder is (909) 596-7733.

What is Dr. Sandra C. Crowder's medical license number?

Dr. Crowder holds California license G71535, one of the licenses on file in 2 states.

Which states has Dr. Sandra C. Crowder been licensed in?

Dmand AI has state licenses on file for Dr. Crowder in California (1991 to 2027) and Michigan (1987 to 1994).

Which hospitals is Dr. Sandra C. Crowder affiliated with?

Dr. Crowder practices at Casa Colina Hospital and Centers for Healthcare in Pomona, California. Dr. Crowder is also affiliated with Fontana Medical Center.

What medical group is Dr. Sandra C. Crowder part of?

Dr. Crowder is linked to Southern California Permanente Medical Group.

Is Dr. Sandra C. Crowder board certified?

Yes. Dr. Crowder is board certified in female pelvic medicine and reconstructive surgery by the American Board of Obstetrics and Gynecology.

Where did Dr. Sandra C. Crowder go to medical school?

Dr. Crowder graduated from Indiana University School Of Medicine in 1986.

Show 5 more questionsShow fewer questions

What drugs does Dr. Sandra C. Crowder prescribe most?

In 2021 Medicare Part D data, Dr. Crowder's most prescribed drugs by claims were Trospium Chloride.

How long has Dr. Sandra C. Crowder been practicing?

Dr. Crowder graduated from medical school in 1986, 40 years ago.

Does Dr. Sandra C. Crowder do research?

Dmand AI links 1 publication to Dr. Crowder.

Who does Dr. Sandra C. Crowder publish with?

Dr. Crowder's most frequent co-authors are Esteban Andryjowicz, MD (1 shared paper), Sara Noroozkhani, MD (1 shared paper) and James D. Rudolf, MD (1 shared paper).

What insurance does Dr. Sandra C. Crowder accept?

Dr. Crowder is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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