Dr. Phyllis S. Ritchie, MD

  • Palm Springs, CA
  • Infectious disease specialist
NPI1245255736
Part D claims, 2024
46
Industry payments
$1,851
Insurance carriers
1
State licenses
3
Year NPI issued
2006
Practice address
555 E Tachevah Dr Ste 1e201, Palm Springs, CA 92262-5733
Practice phone
Call (760) 299-6487
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Phyllis S. Ritchie is an infectious disease specialist in Palm Springs, California

Dr. Ritchie practices in Palm Springs, California.

Dr. Ritchie's NPI, 1245255736, was assigned on July 13, 2006. Dr. Ritchie graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1992. Dr. Ritchie holds California license G84220.

NPI and contact details
NPI enumeration date
July 13, 2006
NPI status
Active
Practice phone
(760) 299-6487
Professional email
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Personal email
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Mobile number
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Sex
Female
Medical school graduation
1992

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

Dr. Phyllis S. Ritchie's practice address is in Palm Springs, California

Dr. Ritchie's practice address in the NPI Registry is 555 E Tachevah Dr Ste 1e201, Palm Springs, CA 92262-5733. The practice phone is (760) 299-6487.

  • NPI Registry address
    555 E Tachevah Dr Ste 1e201, Palm Springs, CA 92262-5733Phone(760) 299-6487

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

Dmand AI tracks the EHR system at Dr. Phyllis S. Ritchie's practice

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

EHR by site
SiteEHR vendor and product
Dr. Ritchie's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Phyllis S. Ritchie is one of 1,054 infectious disease specialists in California

Infectious disease is Dr. Ritchie's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Ritchie is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Ritchie's licenses on file in 3 states: California, Oregon and Illinois.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense G84220 · 1997 to 2027 · taxonomy 207RI0200X
  • Oregon license2002 to 2025
  • Illinois license1992 to 2002

Infectious disease specialists near Dr. Ritchie

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

1,054infectious disease specialists in California
6infectious disease specialists in Palm Springs

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Phyllis S. Ritchie's patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Dr. Ritchie's median patient age at 64, with 25% women.

Dr. Ritchie's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women25%
  • Men75%

Source: Dmand AI Patient Panel Data

Dr. Phyllis S. Ritchie wrote 46 Medicare Part D claims in 2024

In 2024, Dr. Ritchie wrote 46 Medicare Part D claims. 59% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $2,370 in total drug cost. In 2018, CMS named 1,252 claims across 37 drugs.

Part D claims, 202446
Drugs named by CMS1
Total drug cost$2,370

Dr. Ritchie's Part D claims by kind of drug, 2024

  • Generic27 claims59%
  • Brand-name and other19 claims41%

Dr. Ritchie's most prescribed drugs by claims, 2021

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, 2018 to 2021

  • 2018
  • 2021
Claims for drugs CMS names
2018: 1,2522021: 1199%

Drugs named by CMS: 1 in 2021, 37 in 2018.

See all prescribing by Dr. Ritchie

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

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Dr. Phyllis S. Ritchie received $1,851 in industry payments from 2016 to 2025

CMS Open Payments shows 75 general payments to Dr. Ritchie from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Gilead Sciences, Inc. paid the most, $719.

General payments to Dr. Ritchie by program year, 2016 to 2025

General payments to Dr. Ritchie by kind, 2016 to 2025

$1.9Kin total
  • Food and beverage$1,63388%
  • Education$21812%

Companies that paid Dr. Ritchie the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ritchie

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

Dr. Phyllis S. Ritchie graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science

Dr. Ritchie graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1992.

  1. Medical schoolChicago Medical School at Rosalind Franklin University of Medicine and Science
  2. Board certified in infectious diseaseAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Phyllis S. Ritchie accepts plans from 1 insurance carrier

Dr. Ritchie is in network with 1 carrier, including Molina. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Molina

Plan types Dr. Ritchie accepts, by number of carriers

  1. HMO1
  2. Medicare1

Source: Dmand AI Insurance Network Data

Sources for Dr. Phyllis S. Ritchie'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
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Phyllis S. Ritchie

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. Phyllis S. Ritchie's NPI number?

Dr. Phyllis S. Ritchie's NPI number is 1245255736. It was assigned on July 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Phyllis S. Ritchie?

Dr. Phyllis S. Ritchie is an infectious disease specialist in Palm Springs, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Phyllis S. Ritchie practice?

Dr. Ritchie practices at 555 E Tachevah Dr Ste 1e201, Palm Springs, CA 92262-5733.

What is Dr. Phyllis S. Ritchie's office phone number?

The practice phone on file for Dr. Ritchie is (760) 299-6487.

What is Dr. Phyllis S. Ritchie's medical license number?

Dr. Ritchie holds California license G84220, one of the licenses on file in 3 states.

Which states has Dr. Phyllis S. Ritchie been licensed in?

Dmand AI has state licenses on file for Dr. Ritchie in California (1997 to 2027), Oregon (2002 to 2025) and Illinois (1992 to 2002).

Is Dr. Phyllis S. Ritchie board certified?

Yes. Dr. Ritchie is board certified in infectious disease by the American Board of Internal Medicine.

Where did Dr. Phyllis S. Ritchie go to medical school?

Dr. Ritchie graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1992.

What drugs does Dr. Phyllis S. Ritchie prescribe most?

In 2021 Medicare Part D data, Dr. Ritchie's most prescribed drugs by claims were Clobetasol Propionate.

Has Dr. Phyllis S. Ritchie received payments from drug or device companies?

CMS Open Payments shows $1,851 in general payments to Dr. Ritchie from 10 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Phyllis S. Ritchie been practicing?

Dr. Ritchie graduated from medical school in 1992, 34 years ago.

What insurance does Dr. Phyllis S. Ritchie accept?

Dr. Ritchie is in network with 1 carrier, including Molina. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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