Dr. Sandra Christine Johnson, MD
- Medicare services, 2024
- 192
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 73
- Hospital affiliations
- 3
- Industry payments
- $145
- Practice address
- 56 Franklin Street, Waterbury, CT 06706
- Practice phone
- Call (203) 709-6020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Sandra Christine Johnson is an emergency medicine physician in Waterbury, Connecticut
Dr. Johnson practices at Saint Mary's Hospital in Waterbury, Connecticut, part of Trinity Health.
Dr. Johnson's NPI, 1962602359, was assigned on July 23, 2007. Dr. Johnson graduated from Boston University School of Medicine in 2006. Dr. Johnson holds Connecticut license 047706.
- NPI
- 1962602359NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971659814
- NPI enumeration date
- July 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 709-6020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sandra Christine Johnson practices at Saint Mary's Hospital in Waterbury, Connecticut
Dr. Johnson's primary practice is Saint Mary's Hospital, at 56 Franklin Street, Waterbury, CT 06706 in New Haven County. The practice phone is (203) 709-6020.
- Saint Mary's Hospital56 Franklin Street, Waterbury, CT 06706 · New Haven CountyPhone(203) 709-6020
Source: Dmand AI Affiliation Data
Dr. Sandra Christine Johnson is affiliated with 4 sites of care and 6 medical groups
Dr. Johnson's primary practice is Saint Mary's Hospital in Waterbury, Connecticut, part of Trinity Health. Dr. Johnson is also affiliated with Hartford Hospital. The medical group on file is Vituity. Dmand AI also links Dr. Johnson to 1 more hospital, 5 medical groups and 1 hospital outpatient department, 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. Sandra Christine Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Mary's Hospital | Available with a free account |
| +3 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sandra Christine Johnson is one of 683 emergency medicine physicians in Connecticut
Emergency medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnson is licensed in Connecticut.
Specialties and state licenses
- Emergency medicine, ConnecticutPrimary
Emergency medicine physicians near Dr. Johnson
Counts of emergency medicine 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. Sandra Christine Johnson billed Medicare for 192 services in 2024
CMS data shows 192 Medicare services from Dr. Johnson across 4 procedure codes in 2024, for 184 Medicare patients. Medicare paid $22,163 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1432024: 19234%
Dr. Johnson compared with the Connecticut median for emergency medicine physicians, 2024
- Dr. Johnson
- Connecticut median
- Medicare services
- 192vs 24321% below
- Medicare patients
- 184vs 25026% below
- Part D claims
- 11vs 4877% below
Medians across 695 emergency medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Johnson'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sandra Christine Johnson treated 184 Medicare patients in 2024, average age 76
CMS counts 184 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.34, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 67, with 56% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women9652%
- Men8848%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes47%
- Ischemic heart disease47%
- Mood disorders47%
- Anxiety43%
- Chronic kidney disease42%
Share of Medicare patients with each condition. A patient can have several.
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 67
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sandra Christine Johnson wrote 73 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 73 Medicare Part D claims for 46 patients. 81% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $64 in total drug cost.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic59 claims81%
- Brand-name14 claims19%
Dr. Johnson's most prescribed drugs by claims, 2022
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. Johnson's Part D claims, 2024
- Antibiotics30%22 of 73 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Sandra Christine 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. Sandra Christine Johnson received $145 in industry payments from 2017 to 2024
CMS Open Payments shows 3 general payments to Dr. Johnson from 2 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Madrigal Pharmaceuticals paid the most, $121.
General payments to Dr. Johnson by program year, 2017 to 2024
Companies that paid Dr. Johnson the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sandra Christine Johnson graduated from Boston University School of Medicine
Dr. Johnson graduated from Boston University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sandra Christine 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 | 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. Sandra Christine 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. Sandra Christine Johnson's NPI number?
Dr. Sandra Christine Johnson's NPI number is 1962602359. It was assigned on July 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandra Christine Johnson?
Dr. Sandra Christine Johnson is an emergency medicine physician in Waterbury, Connecticut. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Sandra Christine Johnson practice?
Dr. Johnson practices at 56 Franklin Street, Waterbury, CT 06706. Dr. Johnson's primary practice is Saint Mary's Hospital in Waterbury, Connecticut, part of Trinity Health. Dmand AI also links Dr. Johnson to 1 hospital, 5 medical groups and 1 hospital outpatient department.
What is Dr. Sandra Christine Johnson's office phone number?
The practice phone on file for Dr. Johnson is (203) 709-6020.
What is Dr. Sandra Christine Johnson's medical license number?
Dr. Johnson holds Connecticut license 047706.
Which hospitals is Dr. Sandra Christine Johnson affiliated with?
Dr. Johnson practices at Saint Mary's Hospital in Waterbury, Connecticut. Dr. Johnson is also affiliated with Hartford Hospital. Dmand AI links Dr. Johnson to 1 more hospital.
What medical group is Dr. Sandra Christine Johnson part of?
Dr. Johnson is linked to Vituity. Dmand AI links Dr. Johnson to 5 more medical groups.
Does Dr. Sandra Christine Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 192 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Sandra Christine Johnson see?
CMS counts 184 Medicare patients who saw Dr. Johnson in 2024, with an average age of 76.
What services does Dr. Sandra Christine Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Show 4 more questionsShow fewer questions
Where did Dr. Sandra Christine Johnson go to medical school?
Dr. Johnson graduated from Boston University School of Medicine in 2006.
What drugs does Dr. Sandra Christine Johnson prescribe most?
In 2022 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Cephalexin.
Has Dr. Sandra Christine Johnson received payments from drug or device companies?
CMS Open Payments shows $145 in general payments to Dr. Johnson from 2 companies from 2017 to 2024. The largest total came from Madrigal Pharmaceuticals.
How long has Dr. Sandra Christine Johnson been practicing?
Dr. Johnson graduated from medical school in 2006, 20 years ago.
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