Mariam Seda Walters, PA-C

  • Rancho Cucamonga, CA
  • Physician assistant
NPI1699083675PAC ID1254520174
Medicare services, 2024
83
Medicare patients, 2024
82
Part D claims, 2024
217
MIPS score, 2024
97
Hospital affiliations
1
Practice address
7831 Monticello Ave, Rancho Cucamonga, CA 91739
Practice phone
Call (415) 200-2133
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Carbon Health

Rancho Cucamonga, California

See all 4 affiliations

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Mariam Seda Walters is a physician assistant in Rancho Cucamonga, California

Mariam Walters practices at Carbon Health in Rancho Cucamonga, California.

Mariam Walters' NPI, 1699083675, was assigned on September 23, 2010. Mariam Walters holds California license PA21183.

NPI and contact details
Medicare PAC ID
1254520174
NPI enumeration date
September 23, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 200-2133
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Mariam Seda Walters practices at Carbon Health in Rancho Cucamonga, California

Mariam Walters' primary practice is Carbon Health, at 7831 Monticello Ave, Rancho Cucamonga, CA 91739 in San Bernardino County. The practice phone is (415) 200-2133.

  • Carbon Health
    7831 Monticello Ave, Rancho Cucamonga, CA 91739 · San Bernardino CountyPhone(415) 200-2133

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Mariam Seda Walters is affiliated with 2 sites of care and 2 medical groups

Mariam Walters' primary practice is Carbon Health in Rancho Cucamonga, California. Mariam Walters is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Carbon Health. Dmand AI also links Mariam Walters to 1 more medical group, named with a free account.

See all 4 affiliations for Mariam Walters

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mariam Seda Walters' practice

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

EHR by site
SiteEHR vendor and product
Carbon HealthAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Mariam Seda Walters is one of 11,482 physician assistants in California

Physician assistant is Mariam Walters' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Mariam Walters is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Mariam Walters is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA21183 · taxonomy 363A00000X

Physician assistants near Mariam Walters

Counts of physician assistants 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

Mariam Seda Walters billed Medicare for 83 services in 2024

CMS data shows 83 Medicare services from Mariam Walters across 2 procedure codes in 2024, for 82 Medicare patients. Medicare paid $8,584 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202483
Medicare patients82
Paid by Medicare$8,584
Procedure codes2

Mariam Walters compared with the California median for physician assistants, 2024

  • Mariam Walters
  • California median
Medicare services
83vs 20459% below
Medicare patients
82vs 10522% below
Part D claims
99vs 24359% below

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Mariam Walters' 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.

See all procedures by Mariam Walters

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

Mariam Seda Walters treated 82 Medicare patients in 2024, average age 69

CMS counts 82 Medicare patients who saw Mariam Walters in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 71% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mariam Walters' median patient age at 31, with 56% women.

Medicare patients, 202482
Average age69
Average risk score1.86
Also on Medicaid71%

Mariam Walters' Medicare patients by age, 2024

Mariam Walters' Medicare patients by sex, 2024

  • Women4150%
  • Men4150%

Chronic conditions among Mariam Walters' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol72%
  3. Diabetes49%
  4. Arthritis46%
  5. Chronic kidney disease34%
  6. Mood disorders28%
  7. Depression27%
  8. Anxiety24%

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

Mariam Walters' patients across all payers

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

Patient panel by age, all payers

Median age 31

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Mariam Seda Walters wrote 217 Medicare Part D claims in 2024

In 2024, Mariam Walters wrote 217 Medicare Part D claims for 138 patients. 97% of them were for generic drugs. CMS names the drug for 99 of them, across 6 drugs with 11 or more claims each, at $451 in total drug cost.

Part D claims, 2024217
Drugs named by CMS6
Total drug cost$451
Part D patients138

Mariam Walters' Part D claims by kind of drug, 2024

  • Generic211 claims97%
  • Brand-name and other6 claims3%

Mariam Walters' 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 Mariam Walters' Part D claims, 2024

  • Opioids17%37 of 217 claims
  • Antibiotics25%55 of 217 claims

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

See all prescribing by Mariam Walters

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

Mariam Seda Walters scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Mariam Walters for performance year 2024, reported as part of a group. Mariam Walters accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Mariam Walters' MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Mariam Seda Walters received $122 in industry payments from 2024 to 2025

CMS Open Payments shows 4 general payments to Mariam Walters from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $107.

General payments to Mariam Walters by program year, 2024 to 2025

Companies that paid Mariam Walters the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Mariam Walters

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

Mariam Seda Walters is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Mariam Seda Walters'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
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 Mariam Seda Walters

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

What is Mariam Seda Walters' NPI number?

Mariam Seda Walters' NPI number is 1699083675. It was assigned on September 23, 2010, and it is active in the NPI Registry.

What does Mariam Seda Walters specialize in?

Mariam Seda Walters is a physician assistant in Rancho Cucamonga, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Mariam Seda Walters practice?

Mariam Walters practices at 7831 Monticello Ave, Rancho Cucamonga, CA 91739. Mariam Walters' primary practice is Carbon Health in Rancho Cucamonga, California. Dmand AI also links Mariam Walters to 1 medical group.

What is Mariam Seda Walters' office phone number?

The practice phone on file for Mariam Walters is (415) 200-2133.

What is Mariam Seda Walters' medical license number?

Mariam Walters holds California license PA21183.

Which hospitals is Mariam Seda Walters affiliated with?

Mariam Walters is affiliated with Pomona Valley Hospital Medical Center.

What medical group is Mariam Seda Walters part of?

Mariam Walters is linked to Carbon Health. Dmand AI links Mariam Walters to 1 more medical group.

Does Mariam Seda Walters accept Medicare?

Yes. CMS data shows Mariam Walters billed Medicare for 83 services in 2024, and Mariam Walters accepts Medicare assignment.

What is Mariam Seda Walters' MIPS score?

Mariam Walters' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Mariam Seda Walters see?

CMS counts 82 Medicare patients who saw Mariam Walters in 2024, with an average age of 69.

Show 5 more questionsShow fewer questions

Is Mariam Seda Walters board certified?

Yes. Mariam Walters is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does Mariam Seda Walters bill to Medicare?

In 2024, Mariam Walters' most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

What drugs does Mariam Seda Walters prescribe most?

In 2024 Medicare Part D data, Mariam Walters' most prescribed drugs by claims were Famotidine, Cephalexin and Hydrocodone-Acetaminophen.

Has Mariam Seda Walters received payments from drug or device companies?

CMS Open Payments shows $122 in general payments to Mariam Walters from 2 companies from 2024 to 2025. The largest total came from Inari Medical, Inc.

How long has Mariam Seda Walters been practicing?

Mariam Walters graduated from medical school in 2010, 16 years ago.

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