Dr. Charlotte M. Clark, MD
- Medicare services, 2022
- 1,353
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 160
- Industry payments
- $83
- Affiliated sites
- 1
- Practice address
- 881 Allwood Rd, Clifton, NJ 07012
- Practice phone
- Call (862) 349-2010
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics Incorporated
Clifton, New Jersey
Find Dr. Clark's professional email, personal email and mobile number
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Dr. Charlotte M. Clark is an internist in Clifton, New Jersey
Dr. Clark practices at Quest Diagnostics Incorporated in Clifton, New Jersey.
Dr. Clark's NPI, 1891920682, was assigned on May 21, 2009. Dr. Clark holds New York license 286912.
- NPI
- 1891920682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860777968
- NPI enumeration date
- May 21, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (862) 349-2010
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charlotte M. Clark practices at Quest Diagnostics Incorporated in Clifton, New Jersey
Dr. Clark's primary practice is Quest Diagnostics Incorporated, at 881 Allwood Rd, Clifton, NJ 07012 in Passaic County. The practice phone is (862) 349-2010.
- Quest Diagnostics Incorporated881 Allwood Rd, Clifton, NJ 07012 · Passaic CountyPhone(862) 349-2010
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charlotte M. Clark is affiliated with 2 sites of care
Dr. Clark's primary practice is Quest Diagnostics Incorporated in Clifton, New Jersey. Dmand AI also links Dr. Clark to 1 physician office, 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. Charlotte M. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics Incorporated | 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. Charlotte M. Clark is one of 4,226 internists in New Jersey
Internal medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clark is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Clark
Counts of internists 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. Charlotte M. Clark billed Medicare for 1,353 services in 2022
CMS data shows 1,353 Medicare services from Dr. Clark across 3 procedure codes in 2022, for 13 Medicare patients. Medicare paid $68,491 for them. Every service was in an office.
Dr. Clark's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Lab and pathology
- 2021: 02022: 1,308
- Office and hospital visits
- 2021: 182022: 2539%
- Other services
- 2021: 02022: 20
- Tests and treatments
- 2021: 422022: 0100%
- Surgery
- 2021: 182022: 0100%
Dr. Clark compared with the New Jersey median for internists, 2022
- Dr. Clark
- New Jersey median
- Medicare services
- 1,353vs 72387% above
- Medicare patients
- 13vs 23194% below
- Part D claims
- 61vs 83093% below
Medians across 4,086 internists in New Jersey with Dmand AI profiles that report each measure.
Dr. Clark's most billed Medicare procedure codes, 2022
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. Clark and other internists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charlotte M. Clark treated 13 Medicare patients in 2024, average age 75
CMS counts 13 Medicare patients who saw Dr. Clark in 2024. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 45, with 58% women.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women58%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charlotte M. Clark wrote 160 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 160 Medicare Part D claims for 11 patients. 89% of them were for generic drugs. CMS names the drug for 61 of them, across 4 drugs with 11 or more claims each, at $601 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic143 claims89%
- Brand-name and other17 claims11%
Dr. Clark'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: 122024: 61408%
Drugs named by CMS: 4 in 2024, 1 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. Charlotte M. Clark takes part in Medicare
Dr. Clark 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. Charlotte M. Clark received $83 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Clark from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $83.
Companies that paid Dr. Clark the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charlotte M. Clark'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 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) |
| 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. Charlotte M. Clark
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What is Dr. Charlotte M. Clark's NPI number?
Dr. Charlotte M. Clark's NPI number is 1891920682. It was assigned on May 21, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Charlotte M. Clark?
Dr. Charlotte M. Clark is an internist in Clifton, New Jersey. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charlotte M. Clark practice?
Dr. Clark practices at 881 Allwood Rd, Clifton, NJ 07012. Dr. Clark's primary practice is Quest Diagnostics Incorporated in Clifton, New Jersey. Dmand AI also links Dr. Clark to 1 physician office.
What is Dr. Charlotte M. Clark's office phone number?
The practice phone on file for Dr. Clark is (862) 349-2010.
What is Dr. Charlotte M. Clark's medical license number?
Dr. Clark holds New York license 286912.
Does Dr. Charlotte M. Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 1,353 services in 2022, and Dr. Clark accepts Medicare assignment.
How many Medicare patients does Dr. Charlotte M. Clark see?
CMS counts 13 Medicare patients who saw Dr. Clark in 2024, with an average age of 75.
What services does Dr. Charlotte M. Clark bill to Medicare?
In 2022, Dr. Clark's most billed Medicare services were lab and pathology test (87635), care management and other visits (99442) and medicare service (G0008).
What drugs does Dr. Charlotte M. Clark prescribe most?
In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Losartan Potassium, Rosuvastatin Calcium and Carvedilol.
Has Dr. Charlotte M. Clark received payments from drug or device companies?
CMS Open Payments shows $83 in general payments to Dr. Clark from 1 company from 2018 to 2018. The largest total came from Galderma Laboratories, L.P.
How long has Dr. Charlotte M. Clark been practicing?
Dr. Clark graduated from medical school in 2009, 17 years ago.
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