Dr. John Michael Peffer, MD

  • Weatherford, TX
  • General practice physician
NPI1184920787
Medicare services, 2024
1,044
Medicare patients, 2024
749
Part D claims, 2024
376
MIPS score, 2024
75
Hospital affiliations
1
Practice address
713 E Anderson St, Weatherford, TX 76086
Practice phone
Call (682) 582-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Medical City Weatherford Hospital

Hospital · Weatherford, Texas

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Dr. John Michael Peffer is a general practice physician in Weatherford, Texas

Dr. Peffer practices at Medical City Weatherford Hospital in Weatherford, Texas, part of HCA Healthcare.

Dr. Peffer's NPI, 1184920787, was assigned on January 31, 2011. Dr. Peffer graduated from Texas a & M University System, Hsc, College of Medicine in 2011. Dr. Peffer holds Nebraska license 26937.

NPI and contact details
NPI enumeration date
January 31, 2011
NPI status
Active
Practice phone
(682) 582-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

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

Dr. John Michael Peffer practices at Medical City Weatherford Hospital in Weatherford, Texas

Dr. Peffer's primary practice is Medical City Weatherford Hospital, at 713 E Anderson St, Weatherford, TX 76086 in Parker County. The practice phone is (682) 582-1000.

Source: Dmand AI Affiliation Data

Dr. John Michael Peffer is affiliated with 1 site of care and 2 medical groups

Dr. Peffer's primary practice is Medical City Weatherford Hospital in Weatherford, Texas, part of HCA Healthcare. The medical group on file is Questcare Medical Clinic. Dmand AI also links Dr. Peffer to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Peffer

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

Dmand AI tracks the EHR system at Dr. John Michael Peffer's practice

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

EHR by site
SiteEHR vendor and product
Medical City Weatherford HospitalAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Michael Peffer is one of 800 general practice physicians in Texas

General practice is Dr. Peffer's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Peffer is licensed in Nebraska.

Specialties and state licenses

  • General practice, NebraskaPrimaryLicense 26937 · taxonomy 208D00000X

General practice physicians near Dr. Peffer

Counts of general practice physicians 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. John Michael Peffer billed Medicare for 1,044 services in 2024

CMS data shows 1,044 Medicare services from Dr. Peffer across 5 procedure codes in 2024, for 749 Medicare patients. Medicare paid $101,285 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,044
Medicare patients749
Paid by Medicare$101,285
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 6032024: 81635%
Tests and treatments
2023: 2612024: 22813%

Dr. Peffer compared with the Texas median for general practice physicians, 2024

  • Dr. Peffer
  • Texas median
Medicare services
1,044vs 1945.4 times
Medicare patients
749vs 829.1 times
Part D claims
229vs 13076% above

Medians across 415 general practice physicians in Texas with Dmand AI profiles that report each measure.

Dr. Peffer'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. Peffer

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

Dr. John Michael Peffer treated 749 Medicare patients in 2024, average age 76

CMS counts 749 Medicare patients who saw Dr. Peffer in 2024. The largest group is 75 to 84, with 268 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.06, 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. Peffer's median patient age at 46, with 60% women.

Medicare patients, 2024749
Average age76
Average risk score2.06
Also on Medicaid15%

Dr. Peffer's Medicare patients by age, 2024

Dr. Peffer's Medicare patients by sex, 2024

  • Women41555%
  • Men33445%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Ischemic heart disease50%
  5. Diabetes45%
  6. Chronic kidney disease44%
  7. Mood disorders42%
  8. Anxiety40%

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

Dr. Peffer's patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women60%
  • Men39%

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

Dr. John Michael Peffer wrote 376 Medicare Part D claims in 2024

In 2024, Dr. Peffer wrote 376 Medicare Part D claims for 257 patients. 91% of them were for generic drugs. CMS names the drug for 229 of them, across 11 drugs with 11 or more claims each, at $1,589 in total drug cost. In 2023, CMS named 166 claims across 9 drugs.

Part D claims, 2024376
Drugs named by CMS11
Total drug cost$1,589
Part D patients257

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

  • Generic344 claims91%
  • Brand-name and other32 claims9%

Dr. Peffer'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. Peffer's Part D claims, 2024

  • Opioids18%69 of 376 claims
  • Antibiotics30%113 of 376 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: 1662024: 22938%

Drugs named by CMS: 11 in 2024, 9 in 2023.

See all prescribing by Dr. Peffer

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. John Michael Peffer scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Peffer for performance year 2024, reported individually.

MIPS final score, 2024
75 of 100

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. John Michael Peffer graduated from Texas a & M University System, Hsc, College of Medicine

Dr. Peffer graduated from Texas a & M University System, Hsc, College of Medicine in 2011.

  1. Medical schoolTexas a & M University System, Hsc, College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Michael Peffer'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 percentilesClinician Public Reporting: Overall MIPS Performance (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 Dr. John Michael Peffer

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. John Michael Peffer's NPI number?

Dr. John Michael Peffer's NPI number is 1184920787. It was assigned on January 31, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. John Michael Peffer?

Dr. John Michael Peffer is a general practice physician in Weatherford, Texas. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).

Where does Dr. John Michael Peffer practice?

Dr. Peffer practices at 713 E Anderson St, Weatherford, TX 76086. Dr. Peffer's primary practice is Medical City Weatherford Hospital in Weatherford, Texas, part of HCA Healthcare. Dmand AI also links Dr. Peffer to 1 medical group.

What is Dr. John Michael Peffer's office phone number?

The practice phone on file for Dr. Peffer is (682) 582-1000.

What is Dr. John Michael Peffer's medical license number?

Dr. Peffer holds Nebraska license 26937.

Which hospitals is Dr. John Michael Peffer affiliated with?

Dr. Peffer practices at Medical City Weatherford Hospital in Weatherford, Texas.

What medical group is Dr. John Michael Peffer part of?

Dr. Peffer is linked to Questcare Medical Clinic. Dmand AI links Dr. Peffer to 1 more medical group.

Does Dr. John Michael Peffer accept Medicare?

Yes. CMS data shows Dr. Peffer billed Medicare for 1,044 services in 2024.

What is Dr. John Michael Peffer's MIPS score?

Dr. Peffer's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. John Michael Peffer see?

CMS counts 749 Medicare patients who saw Dr. Peffer in 2024, with an average age of 76.

Show 4 more questionsShow fewer questions

What services does Dr. John Michael Peffer bill to Medicare?

In 2024, Dr. Peffer's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Where did Dr. John Michael Peffer go to medical school?

Dr. Peffer graduated from Texas a & M University System, Hsc, College of Medicine in 2011.

What drugs does Dr. John Michael Peffer prescribe most?

In 2024 Medicare Part D data, Dr. Peffer's most prescribed drugs by claims were Acetaminophen-Codeine, Ondansetron ODT and Cefdinir.

How long has Dr. John Michael Peffer been practicing?

Dr. Peffer graduated from medical school in 2011, 15 years ago.

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