Dr. David Lawrence Hamacher, FACOG, MD
- Medicare services, 2020
- 40
- Part D claims, 2021
- 33
- Industry payments
- $262
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 126 S 25th St Suite B Suite B, Escanaba, MI 49829
- Practice phone
- Call (906) 233-9500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Great Lakes Gynecology & Aesthetic Center
Physician office · Escanaba, Michigan
Find Dr. Hamacher'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. David Lawrence Hamacher is a gynecology physician in Escanaba, Michigan
Dr. Hamacher practices at Great Lakes Gynecology & Aesthetic Center in Escanaba, Michigan.
Dr. Hamacher's NPI, 1851307961, was assigned on July 31, 2006. Dr. Hamacher holds Michigan license 4301053110.
- NPI
- 1851307961NPI Registry (opens in a new tab)
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Practice phone
- (906) 233-9500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Lawrence Hamacher practices at Great Lakes Gynecology & Aesthetic Center in Escanaba, Michigan
Dr. Hamacher's primary practice is Great Lakes Gynecology & Aesthetic Center, at 126 S 25th St Suite B Suite B, Escanaba, MI 49829. The practice phone is (906) 233-9500.
- Great Lakes Gynecology & Aesthetic Center126 S 25th St Suite B Suite B, Escanaba, MI 49829Phone(906) 233-9500
Source: Dmand AI Affiliation Data
Dr. David Lawrence Hamacher is affiliated with 1 site of care
Dr. Hamacher's primary practice is Great Lakes Gynecology & Aesthetic Center in Escanaba, Michigan.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Lawrence Hamacher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamacher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Great Lakes Gynecology & Aesthetic Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Lawrence Hamacher is one of 62 gynecology physicians in Michigan
Gynecology is Dr. Hamacher's primary specialty in the NPI Registry, under taxonomy code 207VG0400X. Dr. Hamacher is licensed in Michigan.
Specialties and state licenses
- Gynecology, MichiganPrimary
Gynecology physicians near Dr. Hamacher
Counts of gynecology physicians 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. David Lawrence Hamacher billed Medicare for 40 services in 2020
CMS data shows 40 Medicare services from Dr. Hamacher across 1 procedure code in 2020, all of them office visits. Medicare paid $1,811 for them. Every service was in an office.
Dr. Hamacher's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 462020: 4013%
- Surgery
- 2019: 562020: 0100%
Dr. Hamacher compared with the Michigan median for gynecology physicians, 2020
- Dr. Hamacher
- Michigan median
- Medicare services
- 40vs 4511% below
- Part D claims
- 33vs 4323% below
Medians across 51 gynecology physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Hamacher's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hamacher?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hamacher and other gynecology physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Lawrence Hamacher's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Hamacher's median patient age at 51, with 100% women.
Dr. Hamacher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. David Lawrence Hamacher wrote 33 Medicare Part D claims in 2021
In 2021, Dr. Hamacher wrote 33 Medicare Part D claims. They cover 2 drugs, with $5,952 in total drug cost. In 2020, CMS named 102 claims across 5 drugs.
Dr. Hamacher'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: 1022021: 3368%
Drugs named by CMS: 2 in 2021, 5 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. David Lawrence Hamacher received $262 in industry payments from 2016 to 2022
CMS Open Payments shows 9 general payments to Dr. Hamacher from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $249.
General payments to Dr. Hamacher by program year, 2016 to 2022
Companies that paid Dr. Hamacher the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Lawrence Hamacher'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 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. David Lawrence Hamacher
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. David Lawrence Hamacher's NPI number?
Dr. David Lawrence Hamacher's NPI number is 1851307961. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Lawrence Hamacher?
Dr. David Lawrence Hamacher is a gynecology physician in Escanaba, Michigan. The primary specialty in the NPI Registry is Gynecology Physician (taxonomy code 207VG0400X).
Where does Dr. David Lawrence Hamacher practice?
Dr. Hamacher practices at 126 S 25th St Suite B Suite B, Escanaba, MI 49829. Dr. Hamacher's primary practice is Great Lakes Gynecology & Aesthetic Center in Escanaba, Michigan.
What is Dr. David Lawrence Hamacher's office phone number?
The practice phone on file for Dr. Hamacher is (906) 233-9500.
What is Dr. David Lawrence Hamacher's medical license number?
Dr. Hamacher holds Michigan license 4301053110.
Does Dr. David Lawrence Hamacher accept Medicare?
Yes. CMS data shows Dr. Hamacher billed Medicare for 40 services in 2020.
What services does Dr. David Lawrence Hamacher bill to Medicare?
In 2020, Dr. Hamacher's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. David Lawrence Hamacher prescribe most?
In 2021 Medicare Part D data, Dr. Hamacher's most prescribed drugs by claims were Estradiol and Premarin.
Has Dr. David Lawrence Hamacher received payments from drug or device companies?
CMS Open Payments shows $262 in general payments to Dr. Hamacher from 2 companies from 2016 to 2022. The largest total came from Ethicon Inc.
How long has Dr. David Lawrence Hamacher been practicing?
Dr. Hamacher's NPI was assigned in 2006.
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