Dr. Gretchen Rae Stiefel, DO
- Medicare services, 2024
- 76
- Medicare patients, 2024
- 62
- Part D claims, 2024
- 129
- Hospital affiliations
- 1
- Industry payments
- $57
- Practice address
- 1601 E Broadway, Columbia, MO 65201
- Practice phone
- Call (573) 443-8796
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Women's Health Associates, Inc.
Columbia, Missouri
Find Dr. Stiefel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gretchen Rae Stiefel is an OB-GYN in Columbia, Missouri
Dr. Stiefel practices at Women's Health Associates, Inc. in Columbia, Missouri.
Dr. Stiefel's NPI, 1245539816, was assigned on March 22, 2011. Dr. Stiefel holds Missouri license 2015011441.
- NPI
- 1245539816NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375778467
- NPI enumeration date
- March 22, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 443-8796
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gretchen Rae Stiefel practices at Women's Health Associates, Inc. in Columbia, Missouri
Dr. Stiefel's primary practice is Women's Health Associates, Inc., at 1601 E Broadway, Columbia, MO 65201 in Boone County. The practice phone is (573) 443-8796.
- Women's Health Associates, Inc.1601 E Broadway, Columbia, MO 65201 · Boone CountyPhone(573) 443-8796
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gretchen Rae Stiefel is affiliated with 3 sites of care and 1 medical group
Dr. Stiefel's primary practice is Women's Health Associates, Inc. in Columbia, Missouri. Dr. Stiefel is also affiliated with Boone Health. The medical group on file is Women's Health Associates. Dmand AI also links Dr. Stiefel to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gretchen Rae Stiefel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stiefel practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Women's Health Associates, Inc. | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gretchen Rae Stiefel is one of 712 OB-GYNs in Missouri
Obstetrics and gynecology is Dr. Stiefel's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Stiefel is licensed in Missouri.
Specialties and state licenses
- Obstetrics and gynecology, MissouriPrimary
OB-GYNs near Dr. Stiefel
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. Gretchen Rae Stiefel billed Medicare for 76 services in 2024
CMS data shows 76 Medicare services from Dr. Stiefel across 3 procedure codes in 2024, for 62 Medicare patients. Medicare paid $2,510 for them. Every service was in an office.
Dr. Stiefel's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 192024: 40111%
- Other services
- 2023: 372024: 363%
Dr. Stiefel compared with the Missouri median for OB-GYNs, 2024
- Dr. Stiefel
- Missouri median
- Medicare services
- 76vs 5343% above
- Medicare patients
- 62vs 4732% above
- Part D claims
- 58vs 4529% above
Medians across 650 OB-GYNs in Missouri with Dmand AI profiles that report each measure.
Dr. Stiefel's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stiefel and other OB-GYNs in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gretchen Rae Stiefel treated 62 Medicare patients in 2024, average age 71
CMS counts 62 Medicare patients who saw Dr. Stiefel in 2024. The largest group is 65 to 74, with 40 patients. 58% of them have high cholesterol, and 56% have high blood pressure. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stiefel's median patient age at 33, with 99% women.
Dr. Stiefel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Stiefel's Medicare patients, 2024
- High cholesterol58%
- High blood pressure56%
- Arthritis52%
- Osteoporosis31%
- Anxiety26%
- Diabetes21%
- Mood disorders18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stiefel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gretchen Rae Stiefel wrote 129 Medicare Part D claims in 2024
In 2024, Dr. Stiefel wrote 129 Medicare Part D claims for 42 patients. 88% of them were for generic drugs. CMS names the drug for 58 of them, across 3 drugs with 11 or more claims each, at $2,336 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Stiefel's Part D claims by kind of drug, 2024
- Generic113 claims88%
- Brand-name16 claims12%
Dr. Stiefel's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 58427%
Drugs named by CMS: 3 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gretchen Rae Stiefel takes part in Medicare
Dr. Stiefel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gretchen Rae Stiefel received $57 in industry payments from 2023 to 2024
CMS Open Payments shows 3 general payments to Dr. Stiefel from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Organon LLC paid the most, $30.
General payments to Dr. Stiefel by program year, 2023 to 2024
Companies that paid Dr. Stiefel the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gretchen Rae Stiefel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gretchen Rae Stiefel
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. Gretchen Rae Stiefel's NPI number?
Dr. Gretchen Rae Stiefel's NPI number is 1245539816. It was assigned on March 22, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Gretchen Rae Stiefel?
Dr. Gretchen Rae Stiefel is an OB-GYN in Columbia, Missouri. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Gretchen Rae Stiefel practice?
Dr. Stiefel practices at 1601 E Broadway, Columbia, MO 65201. Dr. Stiefel's primary practice is Women's Health Associates, Inc. in Columbia, Missouri. Dmand AI also links Dr. Stiefel to 1 group practice or clinic.
What is Dr. Gretchen Rae Stiefel's office phone number?
The practice phone on file for Dr. Stiefel is (573) 443-8796.
What is Dr. Gretchen Rae Stiefel's medical license number?
Dr. Stiefel holds Missouri license 2015011441.
Which hospitals is Dr. Gretchen Rae Stiefel affiliated with?
Dr. Stiefel is affiliated with Boone Health.
What medical group is Dr. Gretchen Rae Stiefel part of?
Dr. Stiefel is linked to Women's Health Associates.
Does Dr. Gretchen Rae Stiefel accept Medicare?
Yes. CMS data shows Dr. Stiefel billed Medicare for 76 services in 2024, and Dr. Stiefel accepts Medicare assignment.
How many Medicare patients does Dr. Gretchen Rae Stiefel see?
CMS counts 62 Medicare patients who saw Dr. Stiefel in 2024, with an average age of 71.
What services does Dr. Gretchen Rae Stiefel bill to Medicare?
In 2024, Dr. Stiefel's most billed Medicare services were medicare service (G0101), care management and other visits (99459) and office visit, established patient (99213).
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What drugs does Dr. Gretchen Rae Stiefel prescribe most?
In 2024 Medicare Part D data, Dr. Stiefel's most prescribed drugs by claims were Estradiol, Clobetasol Propionate and Progesterone.
Has Dr. Gretchen Rae Stiefel received payments from drug or device companies?
CMS Open Payments shows $57 in general payments to Dr. Stiefel from 2 companies from 2023 to 2024. The largest total came from Organon LLC.
How long has Dr. Gretchen Rae Stiefel been practicing?
Dr. Stiefel graduated from medical school in 2011, 15 years ago.
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