Dr. Gary M. Wasserman, MD
- Medicare services, 2024
- 376
- Medicare patients, 2024
- 234
- Part D claims, 2024
- 960
- Hospital affiliations
- 5
- Industry payments
- $760
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wasserman'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. Gary M. Wasserman is an OB-GYN in Saint Louis, Missouri
Dr. Wasserman practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Wasserman's NPI, 1740382746, was assigned on September 1, 2006. Dr. Wasserman graduated from University of Missouri, Kansas City, School of Medicine in 1980. Dr. Wasserman holds Missouri license R7B90.
- NPI
- 1740382746NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597830927
- NPI enumeration date
- September 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary M. Wasserman practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Wasserman's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Gary M. Wasserman is affiliated with 6 sites of care and 3 medical groups
Dr. Wasserman's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Wasserman is also affiliated with Barnes-Jewish Hospital. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Dr. Wasserman to 3 more hospitals, 2 medical groups and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary M. Wasserman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wasserman practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gary M. Wasserman is one of 712 OB-GYNs in Missouri
Obstetrics and gynecology is Dr. Wasserman's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Wasserman is licensed in Missouri.
Specialties and state licenses
- Obstetrics and gynecology, MissouriPrimary
OB-GYNs near Dr. Wasserman
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. Gary M. Wasserman billed Medicare for 376 services in 2024
CMS data shows 376 Medicare services from Dr. Wasserman across 4 procedure codes in 2024, for 234 Medicare patients. Medicare paid $21,758 for them. Every service was in an office.
Dr. Wasserman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 2192024: 2066%
- Office and hospital visits
- 2023: 1662024: 1702%
- Imaging
- 2023: 122024: 0100%
Dr. Wasserman compared with the Missouri median for OB-GYNs, 2024
- Dr. Wasserman
- Missouri median
- Medicare services
- 376vs 537.1 times
- Medicare patients
- 234vs 475.0 times
- Part D claims
- 698vs 4515.5 times
Medians across 650 OB-GYNs in Missouri with Dmand AI profiles that report each measure.
Dr. Wasserman'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. Wasserman and other OB-GYNs in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary M. Wasserman treated 234 Medicare patients in 2024, average age 73
CMS counts 234 Medicare patients who saw Dr. Wasserman in 2024. The largest group is 65 to 74, with 130 patients. 69% of them have high cholesterol, and 50% have high blood pressure. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wasserman's median patient age at 59, with 99% women.
Dr. Wasserman's Medicare patients by age, 2024
Chronic conditions among Dr. Wasserman's Medicare patients, 2024
- High cholesterol69%
- High blood pressure50%
- Arthritis46%
- Osteoporosis29%
- Mood disorders25%
- Anxiety23%
- Depression23%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wasserman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
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. Gary M. Wasserman wrote 960 Medicare Part D claims in 2024
In 2024, Dr. Wasserman wrote 960 Medicare Part D claims for 258 patients. 89% of them were for generic drugs. CMS names the drug for 698 of them, across 24 drugs with 11 or more claims each, at $38,655 in total drug cost. In 2023, CMS named 547 claims across 19 drugs.
Dr. Wasserman's Part D claims by kind of drug, 2024
- Generic851 claims89%
- Brand-name109 claims11%
Dr. Wasserman'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.
Drug classes CMS tracks in Dr. Wasserman's Part D claims, 2024
- Antibiotics7%66 of 960 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5472024: 69828%
Drugs named by CMS: 24 in 2024, 19 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. Gary M. Wasserman takes part in Medicare
Dr. Wasserman accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gary M. Wasserman received $760 in industry payments from 2016 to 2025
CMS Open Payments shows 18 general payments to Dr. Wasserman from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $313.
General payments to Dr. Wasserman by program year, 2016 to 2025
Companies that paid Dr. Wasserman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary M. Wasserman graduated from University of Missouri, Kansas City, School of Medicine
Dr. Wasserman graduated from University of Missouri, Kansas City, School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary M. Wasserman'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Gary M. Wasserman
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. Gary M. Wasserman's NPI number?
Dr. Gary M. Wasserman's NPI number is 1740382746. It was assigned on September 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary M. Wasserman?
Dr. Gary M. Wasserman is an OB-GYN in Saint Louis, Missouri. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Gary M. Wasserman practice?
Dr. Wasserman practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Wasserman's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Wasserman to 3 hospitals, 2 medical groups and 1 physician office.
What is Dr. Gary M. Wasserman's office phone number?
The practice phone on file for Dr. Wasserman is (314) 251-6000.
What is Dr. Gary M. Wasserman's medical license number?
Dr. Wasserman holds Missouri license R7B90.
Which hospitals is Dr. Gary M. Wasserman affiliated with?
Dr. Wasserman practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Wasserman is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Wasserman to 3 more hospitals.
What medical group is Dr. Gary M. Wasserman part of?
Dr. Wasserman is linked to Mercy Clinic East Communities. Dmand AI links Dr. Wasserman to 2 more medical groups.
Does Dr. Gary M. Wasserman accept Medicare?
Yes. CMS data shows Dr. Wasserman billed Medicare for 376 services in 2024, and Dr. Wasserman accepts Medicare assignment.
How many Medicare patients does Dr. Gary M. Wasserman see?
CMS counts 234 Medicare patients who saw Dr. Wasserman in 2024, with an average age of 73.
What services does Dr. Gary M. Wasserman bill to Medicare?
In 2024, Dr. Wasserman's most billed Medicare services were office visit, established patient (99214), medicare service (G0101) and medicare temporary code (Q0091).
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Where did Dr. Gary M. Wasserman go to medical school?
Dr. Wasserman graduated from University of Missouri, Kansas City, School of Medicine in 1980.
What drugs does Dr. Gary M. Wasserman prescribe most?
In 2024 Medicare Part D data, Dr. Wasserman's most prescribed drugs by claims were Estradiol, Alprazolam and Nystatin.
Has Dr. Gary M. Wasserman received payments from drug or device companies?
CMS Open Payments shows $760 in general payments to Dr. Wasserman from 10 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gary M. Wasserman been practicing?
Dr. Wasserman graduated from medical school in 1980, 46 years ago.
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