Dr. Mark G. Lewis, DO
- Medicare services, 2019
- 25
- Industry payments
- $25,376
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 1200 E Michigan Ave Ste 700 Suite 700, Lansing, MI 48912
- Practice phone
- Call (517) 364-5550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave)
Multi-specialty group site · Lansing, Michigan
Find Dr. Lewis' 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. Mark G. Lewis is an OB-GYN in Mountain View, California
Dr. Lewis practices at Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave) in Lansing, Michigan.
Dr. Lewis' NPI, 1689613960, was assigned on June 5, 2006. Dr. Lewis holds Indiana license 02000903A.
- NPI
- 1689613960NPI Registry (opens in a new tab)
- NPI enumeration date
- June 5, 2006
- NPI status
- Active
- Practice phone
- (517) 364-5550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark G. Lewis practices in Lansing and Mountain View
Dr. Lewis' primary practice is Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave), at 1200 E Michigan Ave Ste 700 Suite 700, Lansing, MI 48912. The practice phone is (517) 364-5550. The NPI Registry lists Dr. Lewis' practice address as 2500 Grant Rd, Mountain View, CA 94040.
- Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave)Primary1200 E Michigan Ave Ste 700 Suite 700, Lansing, MI 48912Phone(517) 364-5550
- NPI Registry address2500 Grant Rd, Mountain View, CA 94040 · Santa Clara CountyPhone(517) 364-6210
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Mark G. Lewis is affiliated with 2 sites of care and 2 medical groups
Dr. Lewis' primary practice is Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave) in Lansing, Michigan. The medical group on file is University of Michigan Health-Sparrow. Dmand AI also links Dr. Lewis to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mark G. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark G. Lewis is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lewis is licensed in Indiana.
Specialties and state licenses
- Obstetrics and gynecology, IndianaPrimary
OB-GYNs near Dr. Lewis
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. Mark G. Lewis billed Medicare for 25 services in 2019
CMS data shows 25 Medicare services from Dr. Lewis across 1 procedure code in 2019, all of them office visits. Medicare paid $1,324 for them. Every service was in an office.
Dr. Lewis' Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 202019: 2525%
Dr. Lewis compared with the California median for OB-GYNs, 2019
- Dr. Lewis
- California median
- Medicare services
- 25vs 5857% below
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Lewis' most billed Medicare procedure codes, 2019
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. Lewis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewis and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark G. Lewis' patients have a median age of 43
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 43, with 93% women.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women93%
- Men7%
Source: Dmand AI Patient Panel Data
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Dr. Mark G. Lewis received $25,376 in industry payments from 2016 to 2021
CMS Open Payments shows 65 general payments to Dr. Lewis from 9 drug and device companies from 2016 to 2021. Speaker and faculty fees make up the largest share, 93% of the total. Abbvie Inc. paid the most, $21,517.
General payments to Dr. Lewis by program year, 2016 to 2021
General payments to Dr. Lewis by kind, 2016 to 2021
- Speaker and faculty fees$23,57593%
- Food and beverage$1,2035%
- Travel and lodging$2721%
- Consulting fees$2691%
- Entertainment$570%
Companies that paid Dr. Lewis the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark G. Lewis'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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. Mark G. Lewis
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. Mark G. Lewis' NPI number?
Dr. Mark G. Lewis' NPI number is 1689613960. It was assigned on June 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark G. Lewis?
Dr. Mark G. Lewis is an OB-GYN in Mountain View, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Mark G. Lewis practice?
Dr. Lewis practices at 1200 E Michigan Ave Ste 700 Suite 700, Lansing, MI 48912. Dr. Lewis also practices at 2500 Grant Rd, Mountain View, CA 94040. Dr. Lewis' primary practice is Edward W Sparrow Hospital Association - Lansing (1200 E Michigan Ave) in Lansing, Michigan. Dmand AI also links Dr. Lewis to 1 group practice or clinic and 1 medical group.
What is Dr. Mark G. Lewis' office phone number?
The practice phone on file for Dr. Lewis is (517) 364-5550.
What is Dr. Mark G. Lewis' medical license number?
Dr. Lewis holds Indiana license 02000903A.
What medical group is Dr. Mark G. Lewis part of?
Dr. Lewis is linked to University of Michigan Health-Sparrow. Dmand AI links Dr. Lewis to 1 more medical group.
Does Dr. Mark G. Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 25 services in 2019.
What services does Dr. Mark G. Lewis bill to Medicare?
In 2019, Dr. Lewis' most billed Medicare services were office visit, established patient (99213).
Has Dr. Mark G. Lewis received payments from drug or device companies?
CMS Open Payments shows $25,376 in general payments to Dr. Lewis from 9 companies from 2016 to 2021. The largest total came from Abbvie Inc.
How long has Dr. Mark G. Lewis been practicing?
Dr. Lewis' NPI was assigned in 2006.
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