Dr. Mark D. Johnson, MD
- Medicare services, 2021
- 141
- Industry payments
- $17
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 249 N Main St, Andover, MA 01810
- Practice phone
- Call (978) 475-0959
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cataract and Laser Center of the North Shore, LLC
Andover, Massachusetts
Find Dr. Johnson'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. Mark D. Johnson is an anesthesiologist in Andover, Massachusetts
Dr. Johnson practices at Cataract and Laser Center of the North Shore, LLC in Andover, Massachusetts.
Dr. Johnson's NPI, 1770518581, was assigned on July 11, 2006. Dr. Johnson graduated from University of Massachusetts Medical School in 1980. Dr. Johnson holds Massachusetts license 48521.
- NPI
- 1770518581NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961446307
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 475-0959
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark D. Johnson practices at Cataract and Laser Center of the North Shore, LLC in Andover, Massachusetts
Dr. Johnson's primary practice is Cataract and Laser Center of the North Shore, LLC, at 249 N Main St, Andover, MA 01810 in Essex County. The practice phone is (978) 475-0959.
- Cataract and Laser Center of the North Shore, LLC249 N Main St, Andover, MA 01810 · Essex CountyPhone(978) 475-0959
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark D. Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Cataract and Laser Center of the North Shore, LLC in Andover, Massachusetts. The medical group on file is IVS Anesthesia. Dmand AI also links Dr. Johnson 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. Mark D. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cataract and Laser Center of the North Shore, LLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark D. Johnson is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Johnson is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Johnson
Counts of anesthesiologists 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 D. Johnson billed Medicare for 141 services in 2021
CMS data shows 141 Medicare services from Dr. Johnson across 2 procedure codes in 2021. Medicare paid $15,067 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Anesthesia
- 2020: 4372021: 14168%
Dr. Johnson compared with the Massachusetts median for anesthesiologists, 2021
- Dr. Johnson
- Massachusetts median
- Medicare services
- 141vs 12612% above
Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2021
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. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other anesthesiologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark D. Johnson's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 74, with 50% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women50%
- Men40%
Source: Dmand AI Patient Panel Data
How Dr. Mark D. Johnson takes part in Medicare
Dr. Johnson 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. Mark D. Johnson received $17 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $17.
Companies that paid Dr. Johnson the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark D. Johnson graduated from University of Massachusetts Medical School
Dr. Johnson graduated from University of Massachusetts Medical School in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark D. Johnson'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 Data |
| 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. Mark D. Johnson
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 D. Johnson's NPI number?
Dr. Mark D. Johnson's NPI number is 1770518581. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark D. Johnson?
Dr. Mark D. Johnson is an anesthesiologist in Andover, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark D. Johnson practice?
Dr. Johnson practices at 249 N Main St, Andover, MA 01810. Dr. Johnson's primary practice is Cataract and Laser Center of the North Shore, LLC in Andover, Massachusetts. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Mark D. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (978) 475-0959.
What is Dr. Mark D. Johnson's medical license number?
Dr. Johnson holds Massachusetts license 48521.
What medical group is Dr. Mark D. Johnson part of?
Dr. Johnson is linked to IVS Anesthesia.
Does Dr. Mark D. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 141 services in 2021, and Dr. Johnson accepts Medicare assignment.
What services does Dr. Mark D. Johnson bill to Medicare?
In 2021, Dr. Johnson's most billed Medicare services were anesthesia (00142) and anesthesia (00140).
Where did Dr. Mark D. Johnson go to medical school?
Dr. Johnson graduated from University of Massachusetts Medical School in 1980.
Has Dr. Mark D. Johnson received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Johnson from 1 company from 2022 to 2022. The largest total came from Ethicon Inc.
How long has Dr. Mark D. Johnson been practicing?
Dr. Johnson graduated from medical school in 1980, 46 years ago.
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