Mariah Day Chambers

  • Philadelphia, PA
  • Hospitalist
NPI1093178790PAC ID5890081103
Medicare services, 2024
854
Medicare patients, 2024
316
Part D claims, 2024
172
Publications
1
Hospital affiliations
1
Practice address
10800 Knights Road, Philadelphia, PA 19114
Practice phone
Call (215) 612-4000
Professional email
Get professional email
Personal email
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Mobile number
Get mobile number
Social profiles

Primary practice

Jefferson Torresdale Hospital

Hospital · Philadelphia, Pennsylvania

See all 3 affiliations

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Mariah Day Chambers is a hospitalist in Philadelphia, Pennsylvania

Mariah Chambers practices at Jefferson Torresdale Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University.

Mariah Chambers' NPI, 1093178790, was assigned on March 30, 2016. Mariah Chambers graduated from Philadelphia College of Osteopathic Medicine in 2016. Mariah Chambers holds Pennsylvania license OS019658.

NPI and contact details
Medicare PAC ID
5890081103
NPI enumeration date
March 30, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(215) 612-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mariah Day Chambers practices at Jefferson Torresdale Hospital in Philadelphia, Pennsylvania

Mariah Chambers' primary practice is Jefferson Torresdale Hospital, at 10800 Knights Road, Philadelphia, PA 19114 in Philadelphia County. The practice phone is (215) 612-4000.

Source: Dmand AI Affiliation Data

Mariah Day Chambers is affiliated with 1 site of care and 2 medical groups

Mariah Chambers' primary practice is Jefferson Torresdale Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. The medical group on file is Richboro Medical. Dmand AI also links Mariah Chambers to 1 more medical group, named with a free account.

See all 3 affiliations for Mariah Chambers

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mariah Day Chambers' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mariah Chambers practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Jefferson Torresdale HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mariah Day Chambers is one of 1,233 hospitalists in Pennsylvania

Hospitalist is Mariah Chambers' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Mariah Chambers is licensed in Pennsylvania.

Specialties and state licenses

  • Hospitalist, PennsylvaniaPrimaryLicense OS019658 · taxonomy 208M00000X

Hospitalists near Mariah Chambers

Counts of hospitalists 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

Mariah Day Chambers billed Medicare for 854 services in 2024

CMS data shows 854 Medicare services from Mariah Chambers across 5 procedure codes in 2024, for 316 Medicare patients. Medicare paid $72,819 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024854
Medicare patients316
Paid by Medicare$72,819
Procedure codes5

Mariah Chambers' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 8222024: 8544%

Mariah Chambers compared with the Pennsylvania median for hospitalists, 2024

  • Mariah Chambers
  • Pennsylvania median
Medicare services
854vs 4132.1 times
Medicare patients
316vs 20653% above
Part D claims
30vs 6856% below

Medians across 1,187 hospitalists in Pennsylvania with Dmand AI profiles that report each measure.

Mariah Chambers' 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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Need commercial claims for Mariah Chambers?

Medicare shows one payer. Book a meeting to get commercial claims data for Mariah Chambers and other hospitalists in Pennsylvania.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Mariah Day Chambers treated 316 Medicare patients in 2024, average age 75

CMS counts 316 Medicare patients who saw Mariah Chambers in 2024. The largest group is 75 to 84, with 112 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.97, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mariah Chambers' median patient age at 68, with 45% women.

Medicare patients, 2024316
Average age75
Average risk score2.97
Also on Medicaid39%

Mariah Chambers' Medicare patients by age, 2024

Mariah Chambers' Medicare patients by sex, 2024

  • Women15649%
  • Men16051%

Chronic conditions among Mariah Chambers' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease61%
  4. Arthritis60%
  5. Mood disorders58%
  6. Chronic kidney disease57%
  7. Diabetes55%
  8. Anxiety53%

Share of Medicare patients with each condition. A patient can have several.

Mariah Chambers' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women45%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mariah Day Chambers wrote 172 Medicare Part D claims in 2024

In 2024, Mariah Chambers wrote 172 Medicare Part D claims for 78 patients. 85% of them were for generic drugs. CMS names the drug for 30 of them, across 2 drugs with 11 or more claims each, at $181 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.

Part D claims, 2024172
Drugs named by CMS2
Total drug cost$181
Part D patients78

Mariah Chambers' Part D claims by kind of drug, 2024

  • Generic146 claims85%
  • Brand-name and other26 claims15%

Mariah Chambers' 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.

Drug classes CMS tracks in Mariah Chambers' Part D claims, 2024

  • Antibiotics21%36 of 172 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 262024: 3015%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Mariah Chambers

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 Mariah Day Chambers takes part in Medicare

Mariah Chambers 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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Mariah Day Chambers has 1 publication on record

Dmand AI links 1 paper to Mariah Chambers in 2013.

Papers1

Recent publications by Mariah Chambers

See all 1 publications and co-authors

See who Mariah Chambers researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Mariah Chambers works with, so you can find a warm path to the right hospitalists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Mariah Day Chambers received $1,735 in industry payments from 2016 to 2025

CMS Open Payments shows 42 general payments to Mariah Chambers from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Janssen Pharmaceuticals, Inc paid the most, $443.

General payments to Mariah Chambers by program year, 2016 to 2025

General payments to Mariah Chambers by kind, 2016 to 2025

$1.7Kin total
  • Food and beverage$1,64995%
  • Speaker and faculty fees$865%

Companies that paid Mariah Chambers the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Mariah Chambers

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Mariah Day Chambers graduated from Philadelphia College of Osteopathic Medicine

Mariah Chambers graduated from Philadelphia College of Osteopathic Medicine in 2016.

  1. Medical schoolPhiladelphia College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Mariah Day Chambers's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mariah Day Chambers

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mariah Day Chambers' NPI number?

Mariah Day Chambers' NPI number is 1093178790. It was assigned on March 30, 2016, and it is active in the NPI Registry.

What does Mariah Day Chambers specialize in?

Mariah Day Chambers is a hospitalist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Mariah Day Chambers practice?

Mariah Chambers practices at 10800 Knights Road, Philadelphia, PA 19114. Mariah Chambers' primary practice is Jefferson Torresdale Hospital in Philadelphia, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Mariah Chambers to 1 medical group.

What is Mariah Day Chambers' office phone number?

The practice phone on file for Mariah Chambers is (215) 612-4000.

What is Mariah Day Chambers' medical license number?

Mariah Chambers holds Pennsylvania license OS019658.

Which hospitals is Mariah Day Chambers affiliated with?

Mariah Chambers practices at Jefferson Torresdale Hospital in Philadelphia, Pennsylvania.

What medical group is Mariah Day Chambers part of?

Mariah Chambers is linked to Richboro Medical. Dmand AI links Mariah Chambers to 1 more medical group.

Does Mariah Day Chambers accept Medicare?

Yes. CMS data shows Mariah Chambers billed Medicare for 854 services in 2024, and Mariah Chambers accepts Medicare assignment.

How many Medicare patients does Mariah Day Chambers see?

CMS counts 316 Medicare patients who saw Mariah Chambers in 2024, with an average age of 75.

What services does Mariah Day Chambers bill to Medicare?

In 2024, Mariah Chambers' most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

Show 5 more questionsShow fewer questions

Where did Mariah Day Chambers go to medical school?

Mariah Chambers graduated from Philadelphia College of Osteopathic Medicine in 2016.

What drugs does Mariah Day Chambers prescribe most?

In 2024 Medicare Part D data, Mariah Chambers' most prescribed drugs by claims were Prednisone and Cefuroxime.

Has Mariah Day Chambers received payments from drug or device companies?

CMS Open Payments shows $1,735 in general payments to Mariah Chambers from 12 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Mariah Day Chambers been practicing?

Mariah Chambers graduated from medical school in 2016, 10 years ago.

Does Mariah Day Chambers do research?

Dmand AI links 1 publication to Mariah Chambers.

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