Dr. Gary G. Singer, MD

  • Saint Peters, MO
  • Nephrologist
NPI1366439283PAC ID9234046202
Medicare services, 2024
1,926
Medicare patients, 2024
559
Part D claims, 2024
1,631
Publications
3
Hospital affiliations
5
Practice address
70 Jungermann Cir, Saint Peters, MO 63376
Practice phone
Call (636) 720-0310
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Midwest Nephrology Associates Inc

Saint Peters, Missouri

See all 13 affiliations

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Dr. Gary G. Singer is a nephrologist in Saint Peters, Missouri

Dr. Singer practices at Midwest Nephrology Associates Inc in Saint Peters, Missouri.

Dr. Singer's NPI, 1366439283, was assigned on October 5, 2005. Dr. Singer holds Missouri license 108436.

NPI and contact details
Medicare PAC ID
9234046202
NPI enumeration date
October 5, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(636) 720-0310
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Gary G. Singer practices at Midwest Nephrology Associates Inc in Saint Peters, Missouri

Dr. Singer's primary practice is Midwest Nephrology Associates Inc, at 70 Jungermann Cir, Saint Peters, MO 63376 in Saint Charles County. The practice phone is (636) 720-0310.

  • Midwest Nephrology Associates Inc
    70 Jungermann Cir, Saint Peters, MO 63376 · Saint Charles CountyPhone(636) 720-0310

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

Dr. Gary G. Singer is affiliated with 12 sites of care and 1 medical group

Dr. Singer's primary practice is Midwest Nephrology Associates Inc in Saint Peters, Missouri. Dr. Singer is also affiliated with Barnes-Jewish St. Peters Hospital. The medical group on file is Midwest Nephrology Associates. Dmand AI also links Dr. Singer to 4 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.

See all 13 affiliations for Dr. Singer

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

Dmand AI tracks the EHR system at Dr. Gary G. Singer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singer practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Midwest Nephrology Associates IncAvailable with a free account
+11 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Gary G. Singer is one of 249 nephrologists in Missouri

Nephrology is Dr. Singer's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Singer is licensed in Missouri.

Specialties and state licenses

  • Nephrology, MissouriPrimaryLicense 108436 · taxonomy 207RN0300X

Nephrologists near Dr. Singer

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

249nephrologists in Missouri
9nephrologists in Saint Peters

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

Dr. Gary G. Singer billed Medicare for 1,926 services in 2024

CMS data shows 1,926 Medicare services from Dr. Singer across 14 procedure codes in 2024, for 559 Medicare patients. Medicare paid $135,775 for them.

Medicare services, 20241,926
Medicare patients559
Paid by Medicare$135,775
Procedure codes14

Dr. Singer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,5862024: 1,17026%
Other services
2023: 02024: 532
Tests and treatments
2023: 2192024: 2242%

Where Dr. Singer's Medicare services took place, 2024

  • In an office1,33069%
  • In a facility59631%

Dr. Singer compared with the Missouri median for nephrologists, 2024

  • Dr. Singer
  • Missouri median
Medicare services
1,926vs 8572.2 times
Medicare patients
559vs 2712.1 times
Part D claims
1,293vs 77966% above

Medians across 240 nephrologists in Missouri with Dmand AI profiles that report each measure.

Dr. Singer'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.

See all procedures by Dr. Singer

Need commercial claims for Dr. Singer?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Singer and other nephrologists in Missouri.

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

Dr. Gary G. Singer treated 559 Medicare patients in 2024, average age 74

CMS counts 559 Medicare patients who saw Dr. Singer in 2024. The largest group is 75 to 84, with 221 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 10% are also on Medicaid. Their average risk score is 3.45, 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. Singer's median patient age at 73, with 50% women.

Medicare patients, 2024559
Average age74
Average risk score3.45
Also on Medicaid10%

Dr. Singer's Medicare patients by age, 2024

Dr. Singer's Medicare patients by sex, 2024

  • Women27249%
  • Men28751%

Chronic conditions among Dr. Singer's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes58%
  5. Arthritis50%
  6. Heart failure49%
  7. Ischemic heart disease49%
  8. Atrial fibrillation36%

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

Dr. Singer's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women50%
  • Men50%

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

Dr. Gary G. Singer wrote 1,631 Medicare Part D claims in 2024

In 2024, Dr. Singer wrote 1,631 Medicare Part D claims for 378 patients. 81% of them were for generic drugs. CMS names the drug for 1,293 of them, across 37 drugs with 11 or more claims each, at $236,851 in total drug cost. In 2023, CMS named 2,072 claims across 49 drugs.

Part D claims, 20241,631
Drugs named by CMS37
Total drug cost$236,851
Part D patients378

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

  • Generic1,314 claims81%
  • Brand-name and other317 claims19%

Dr. Singer'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.

Drug classes CMS tracks in Dr. Singer's Part D claims, 2024

  • Antibiotics1%22 of 1,631 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: 2,0722024: 1,29338%

Drugs named by CMS: 37 in 2024, 49 in 2023.

See all prescribing by Dr. Singer

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

Dr. Gary G. Singer offers telehealth to Medicare patients

Dr. Singer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Singer as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Gary G. Singer has 3 publications on record

Dmand AI links 3 papers to Dr. Singer in 2021. The most frequent topics are Kidney Failure, Chronic. Dr. Singer's most frequent co-authors are Tarek Alhamad, MD, Roy D. Bloom, MD and Darshana M. Dadhania, MD.

Papers3

Topics Dr. Singer writes about most

  • Kidney Failure, Chronic

Dr. Singer's most frequent co-authors

Recent publications by Dr. Singer

See all 3 publications and co-authors

See who Dr. Singer researches with

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

How network discovery works

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

Dr. Gary G. Singer received $229,059 in industry payments from 2016 to 2025

CMS Open Payments shows 596 general payments to Dr. Singer from 47 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 71% of the total. Relypsa, Inc. paid the most, $119,168.

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

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

$229.1Kin total
  • Speaker and faculty fees$163,32571%
  • Consulting fees$25,72011%
  • Food and beverage$15,3017%
  • Travel and lodging$13,7396%
  • Other$10,5005%

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

Share is of all general payments to this clinician.

See all payments to Dr. Singer

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

Sources for Dr. Gary G. Singer'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 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)
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. Gary G. Singer

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. Gary G. Singer's NPI number?

Dr. Gary G. Singer's NPI number is 1366439283. It was assigned on October 5, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Gary G. Singer?

Dr. Gary G. Singer is a nephrologist in Saint Peters, Missouri. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Gary G. Singer practice?

Dr. Singer practices at 70 Jungermann Cir, Saint Peters, MO 63376. Dr. Singer's primary practice is Midwest Nephrology Associates Inc in Saint Peters, Missouri. Dmand AI also links Dr. Singer to 4 hospitals, 5 dialysis centers and 1 group practice or clinic.

What is Dr. Gary G. Singer's office phone number?

The practice phone on file for Dr. Singer is (636) 720-0310.

What is Dr. Gary G. Singer's medical license number?

Dr. Singer holds Missouri license 108436.

Which hospitals is Dr. Gary G. Singer affiliated with?

Dr. Singer is affiliated with Barnes-Jewish St. Peters Hospital. Dmand AI links Dr. Singer to 4 more hospitals.

What medical group is Dr. Gary G. Singer part of?

Dr. Singer is linked to Midwest Nephrology Associates.

Does Dr. Gary G. Singer accept Medicare?

Yes. CMS data shows Dr. Singer billed Medicare for 1,926 services in 2024, and Dr. Singer accepts Medicare assignment.

Does Dr. Gary G. Singer offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Singer as offering telehealth services.

How many Medicare patients does Dr. Gary G. Singer see?

CMS counts 559 Medicare patients who saw Dr. Singer in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

What services does Dr. Gary G. Singer bill to Medicare?

In 2024, Dr. Singer's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and hospital inpatient care (99232).

What drugs does Dr. Gary G. Singer prescribe most?

In 2024 Medicare Part D data, Dr. Singer's most prescribed drugs by claims were Losartan Potassium, Furosemide and Farxiga.

Has Dr. Gary G. Singer received payments from drug or device companies?

CMS Open Payments shows $229,059 in general payments to Dr. Singer from 47 companies from 2016 to 2025. The largest total came from Relypsa, Inc.

How long has Dr. Gary G. Singer been practicing?

Dr. Singer graduated from medical school in 1987, 39 years ago.

Does Dr. Gary G. Singer do research?

Dmand AI links 3 publications to Dr. Singer.

Who does Dr. Gary G. Singer publish with?

Dr. Singer's most frequent co-authors are Tarek Alhamad, MD (1 shared paper), Roy D. Bloom, MD (1 shared paper) and Darshana M. Dadhania, MD (1 shared paper).

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