Dr. Merit D. Lemke, MD
- Medicare services, 2024
- 227
- Medicare patients, 2024
- 150
- Part D claims, 2024
- 162
- Hospital affiliations
- 4
- Industry payments
- $1,047
- Practice address
- 9301 Connecticut Dr, Crown Point, IN 46307
- Practice phone
- Call (219) 756-2100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lemke'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. Merit D. Lemke is an OB-GYN in Crown Point, Indiana
Dr. Lemke practices at Pinnacle Hospital in Crown Point, Indiana, part of Pinnacle Healthcare.
Dr. Lemke's NPI, 1467565218, was assigned on August 16, 2006. Dr. Lemke graduated from Indiana University School of Medicine in 1992. Dr. Lemke holds Indiana license 01045007A.
- NPI
- 1467565218NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345377701
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (219) 756-2100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Merit D. Lemke practices at Pinnacle Hospital in Crown Point, Indiana
Dr. Lemke's primary practice is Pinnacle Hospital, at 9301 Connecticut Dr, Crown Point, IN 46307 in Lake County. The practice phone is (219) 756-2100.
- Pinnacle Hospital9301 Connecticut Dr, Crown Point, IN 46307 · Lake CountyPhone(219) 756-2100
Source: Dmand AI Affiliation Data
Dr. Merit D. Lemke is affiliated with 4 sites of care and 1 medical group
Dr. Lemke's primary practice is Pinnacle Hospital in Crown Point, Indiana, part of Pinnacle Healthcare. Dr. Lemke is also affiliated with Franciscan Health Crown Point. The medical group on file is Pinnacle Hospital. Dmand AI also links Dr. Lemke to 2 more hospitals, 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. Merit D. Lemke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lemke practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pinnacle Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Pinnacle Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Merit D. Lemke is one of 741 OB-GYNs in Indiana
Obstetrics and gynecology is Dr. Lemke's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lemke is licensed in Indiana.
Specialties and state licenses
- Obstetrics and gynecology, IndianaPrimary
OB-GYNs near Dr. Lemke
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. Merit D. Lemke billed Medicare for 227 services in 2024
CMS data shows 227 Medicare services from Dr. Lemke across 6 procedure codes in 2024, for 150 Medicare patients. Medicare paid $12,670 for them. Every service was in an office.
Dr. Lemke's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1132024: 13318%
- Other services
- 2023: 812024: 9416%
Dr. Lemke compared with the Indiana median for OB-GYNs, 2024
- Dr. Lemke
- Indiana median
- Medicare services
- 227vs 415.5 times
- Medicare patients
- 150vs 344.4 times
- Part D claims
- 111vs 353.2 times
Medians across 674 OB-GYNs in Indiana with Dmand AI profiles that report each measure.
Dr. Lemke'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. Lemke and other OB-GYNs in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Merit D. Lemke treated 150 Medicare patients in 2024, average age 70
CMS counts 150 Medicare patients who saw Dr. Lemke in 2024. The largest group is 65 to 74, with 108 patients. 72% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.65, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lemke's median patient age at 52, with 99% women.
Dr. Lemke's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Lemke's Medicare patients, 2024
- High cholesterol72%
- High blood pressure61%
- Arthritis47%
- Osteoporosis22%
- Diabetes21%
- Anxiety18%
- Cancer18%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lemke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Merit D. Lemke wrote 162 Medicare Part D claims in 2024
In 2024, Dr. Lemke wrote 162 Medicare Part D claims for 80 patients. 85% of them were for generic drugs. CMS names the drug for 111 of them, across 4 drugs with 11 or more claims each, at $13,614 in total drug cost. In 2023, CMS named 57 claims across 3 drugs.
Dr. Lemke's Part D claims by kind of drug, 2024
- Generic138 claims85%
- Brand-name24 claims15%
Dr. Lemke'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: 572024: 11195%
Drugs named by CMS: 4 in 2024, 3 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. Merit D. Lemke takes part in Medicare
Dr. Lemke 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. Merit D. Lemke received $1,047 in industry payments from 2016 to 2025
CMS Open Payments shows 39 general payments to Dr. Lemke from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 60% of the total. Intuitive Surgical, Inc. paid the most, $486.
General payments to Dr. Lemke by program year, 2016 to 2025
General payments to Dr. Lemke by kind, 2016 to 2025
- Food and beverage$63060%
- Travel and lodging$38837%
- Education$303%
Companies that paid Dr. Lemke 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. Merit D. Lemke graduated from Indiana University School of Medicine
Dr. Lemke graduated from Indiana University School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Merit D. Lemke'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) |
| 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. Merit D. Lemke
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. Merit D. Lemke's NPI number?
Dr. Merit D. Lemke's NPI number is 1467565218. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Merit D. Lemke?
Dr. Merit D. Lemke is an OB-GYN in Crown Point, Indiana. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Merit D. Lemke practice?
Dr. Lemke practices at 9301 Connecticut Dr, Crown Point, IN 46307. Dr. Lemke's primary practice is Pinnacle Hospital in Crown Point, Indiana, part of Pinnacle Healthcare. Dmand AI also links Dr. Lemke to 2 hospitals.
What is Dr. Merit D. Lemke's office phone number?
The practice phone on file for Dr. Lemke is (219) 756-2100.
What is Dr. Merit D. Lemke's medical license number?
Dr. Lemke holds Indiana license 01045007A.
Which hospitals is Dr. Merit D. Lemke affiliated with?
Dr. Lemke practices at Pinnacle Hospital in Crown Point, Indiana. Dr. Lemke is also affiliated with Franciscan Health Crown Point. Dmand AI links Dr. Lemke to 2 more hospitals.
What medical group is Dr. Merit D. Lemke part of?
Dr. Lemke is linked to Pinnacle Hospital.
Does Dr. Merit D. Lemke accept Medicare?
Yes. CMS data shows Dr. Lemke billed Medicare for 227 services in 2024, and Dr. Lemke accepts Medicare assignment.
How many Medicare patients does Dr. Merit D. Lemke see?
CMS counts 150 Medicare patients who saw Dr. Lemke in 2024, with an average age of 70.
What services does Dr. Merit D. Lemke bill to Medicare?
In 2024, Dr. Lemke's most billed Medicare services were medicare service (G0101), office visit, established patient (99213) and office visit, new patient (99203).
Show 4 more questionsShow fewer questions
Where did Dr. Merit D. Lemke go to medical school?
Dr. Lemke graduated from Indiana University School of Medicine in 1992.
What drugs does Dr. Merit D. Lemke prescribe most?
In 2024 Medicare Part D data, Dr. Lemke's most prescribed drugs by claims were Estradiol, Clobetasol Propionate and Premarin.
Has Dr. Merit D. Lemke received payments from drug or device companies?
CMS Open Payments shows $1,047 in general payments to Dr. Lemke from 14 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Merit D. Lemke been practicing?
Dr. Lemke graduated from medical school in 1992, 34 years ago.
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