Dr. Thomas C. Keller Jr., DO

  • Hanover, PA
  • Internist
NPI1073587515PAC ID1951375484
Medicare services, 2024
4,317
Medicare patients, 2024
796
Part D claims, 2024
36,544
Publications
8
MIPS score, 2024
93
Practice address
50 Fame Ave. Suite 130, Hanover, PA 17331
Practice phone
Call (717) 633-1600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hanover SurgiCenter

Surgery Center - Medicare-Certified · Hanover, Pennsylvania

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Dr. Thomas C. Keller Jr. is an internist in Hanover, Pennsylvania

Dr. Keller practices at Hanover SurgiCenter in Hanover, Pennsylvania.

Dr. Keller's NPI, 1073587515, was assigned on February 13, 2006. Dr. Keller graduated from West Virginia School of Osteopathic Medicine in 2001. Dr. Keller holds Pennsylvania license OS013037.

NPI and contact details
Medicare PAC ID
1951375484
NPI enumeration date
February 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(717) 633-1600
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
51
Medical school graduation
2001

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

Dr. Thomas C. Keller Jr. practices at 2 locations in Hanover, Pennsylvania

Dr. Keller's primary practice is Hanover SurgiCenter, at 50 Fame Ave. Suite 130, Hanover, PA 17331. The practice phone is (717) 633-1600. Dr. Keller also practices at Hanover Surgicenter, L.L.C., 250 Fame Ave, Hanover, PA 17331.

  • Hanover SurgiCenterPrimary
    50 Fame Ave. Suite 130, Hanover, PA 17331Phone(717) 633-1600
  • Hanover Surgicenter, L.L.C.
    250 Fame Ave, Hanover, PA 17331 · York CountyPhone(717) 633-1600

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

Dr. Thomas C. Keller Jr. is affiliated with 18 sites of care and 2 medical groups

Dr. Keller's primary practice is Hanover SurgiCenter in Hanover, Pennsylvania. Dr. Keller is also affiliated with UPMC Hanover. The medical group on file is Phoenix Physical Therapy. Dmand AI also links Dr. Keller to 2 more hospitals, 4 home health agencies, 4 hospices, 4 skilled nursing facilities, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 20 affiliations for Dr. Keller

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

Dmand AI tracks the EHR system at Dr. Thomas C. Keller Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keller practices, 18 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hanover SurgiCenterAvailable with a free account
+17 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Thomas C. Keller Jr. is one of 5,665 internists in Pennsylvania

Internal medicine is Dr. Keller's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Keller is board certified in internal medicine by the American Board of Internal Medicine. Dr. Keller is licensed in Pennsylvania.

Specialties and state licenses

  • Internal medicine, PennsylvaniaPrimaryLicense OS013037 · taxonomy 207R00000X

Internists near Dr. Keller

Counts of internists 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. Thomas C. Keller Jr. billed Medicare for 4,317 services in 2024

CMS data shows 4,317 Medicare services from Dr. Keller across 25 procedure codes in 2024, for 796 Medicare patients. Medicare paid $274,255 for them.

Medicare services, 20244,317
Medicare patients796
Paid by Medicare$274,255
Procedure codes25

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

  • 2023
  • 2024
Office and hospital visits
2023: 2,2192024: 2,44410%
Drugs given in the office
2023: 1,2602024: 90029%
Other services
2023: 8112024: 64720%
Tests and treatments
2023: 5002024: 29940%
Lab and pathology
2023: 02024: 27

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

  • In an office3,41379%
  • In a facility90421%

Dr. Keller compared with the Pennsylvania median for internists, 2024

  • Dr. Keller
  • Pennsylvania median
Medicare services
4,317vs 41710.4 times
Medicare patients
796vs 1854.3 times
Part D claims
35,605vs 224159.0 times

Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Keller'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. Keller

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

Dr. Thomas C. Keller Jr. treated 796 Medicare patients in 2024, average age 81

CMS counts 796 Medicare patients who saw Dr. Keller in 2024. The largest group is 85 and over, with 295 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 82, with 58% women.

Medicare patients, 2024796
Average age81
Average risk score1.38
Also on Medicaid10%

Dr. Keller's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Keller's Medicare patients by sex, 2024

  • Women45557%
  • Men34143%

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

  1. High blood pressure75%
  2. High cholesterol69%
  3. Arthritis52%
  4. Diabetes35%
  5. Ischemic heart disease33%
  6. Mood disorders31%
  7. Depression29%
  8. Chronic kidney disease26%

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

Dr. Keller's patients across all payers

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

Patient panel by age, all payers

Median age 82

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

Dr. Thomas C. Keller Jr. wrote 36,544 Medicare Part D claims in 2024

In 2024, Dr. Keller wrote 36,544 Medicare Part D claims for 1,157 patients. 91% of them were for generic drugs. CMS names the drug for 35,605 of them, across 244 drugs with 11 or more claims each, at $1,708,731 in total drug cost. In 2023, CMS named 35,916 claims across 238 drugs.

Part D claims, 202436,544
Drugs named by CMS244
Total drug cost$1.7M
Part D patients1,157

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

  • Generic33,404 claims91%
  • Brand-name2,962 claims8%
  • Other178 claims0%

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

  • Opioids0%172 of 36,544 claims
  • Antibiotics1%360 of 36,544 claims
  • Antipsychotics, patients 65 and over3%949 of 36,544 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: 35,9162024: 35,6051%

Drugs named by CMS: 244 in 2024, 238 in 2023.

See all prescribing by Dr. Keller

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. Thomas C. Keller Jr. scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Keller for performance year 2024, reported as part of a group. Dr. Keller accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Keller's MIPS scores, performance year 2024

  • 93of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 76of 100Cost

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

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

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

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Dr. Thomas C. Keller Jr. has 8 publications on record

Dmand AI links 8 papers to Dr. Keller, published from 2011 to 2014. 2014 was the busiest year, with 3. The most frequent topics are Tomography, X-Ray Computed and Femur. Dr. Keller's most frequent co-authors are Stephen F. Brockmeier, MD, Marc Tompkins, MD and Avneesh Chhabra, MD.

Papers8
Years published2011 to 2014

Dr. Keller's papers by year, 2011 to 2014

Topics Dr. Keller writes about most

  • Tomography, X-Ray Computed
  • Femur

Dr. Keller's most frequent co-authors

Recent publications by Dr. Keller

See all 8 publications and co-authors

See who Dr. Keller researches with

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

How network discovery works

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

Dr. Thomas C. Keller Jr. received $24,511 in industry payments from 2016 to 2025

CMS Open Payments shows 1,728 general payments to Dr. Keller from 72 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Novo Nordisk Inc paid the most, $3,844.

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

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

$24.5Kin total
  • Food and beverage$22,95894%
  • Education$1,5546%

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

Share is of all general payments to this clinician.

See all payments to Dr. Keller

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

Dr. Thomas C. Keller Jr. graduated from West Virginia School of Osteopathic Medicine

Dr. Keller graduated from West Virginia School of Osteopathic Medicine in 2001.

  1. Medical schoolWest Virginia School of Osteopathic Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Thomas C. Keller Jr.'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 Affiliation DataDmand AI Practice 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 Dr. Thomas C. Keller Jr.

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. Thomas C. Keller Jr.'s NPI number?

Dr. Thomas C. Keller Jr.'s NPI number is 1073587515. It was assigned on February 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Thomas C. Keller Jr.?

Dr. Thomas C. Keller Jr. is an internist in Hanover, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Thomas C. Keller Jr. practice?

Dr. Keller practices at 50 Fame Ave. Suite 130, Hanover, PA 17331. Dr. Keller also practices at 250 Fame Ave, Hanover, PA 17331. Dr. Keller's primary practice is Hanover SurgiCenter in Hanover, Pennsylvania. Dmand AI also links Dr. Keller to 2 hospitals, 4 home health agencies, 4 hospices, 4 skilled nursing facilities, 2 group practices and clinics and 1 medical group.

What is Dr. Thomas C. Keller Jr.'s office phone number?

The practice phone on file for Dr. Keller is (717) 633-1600.

What is Dr. Thomas C. Keller Jr.'s medical license number?

Dr. Keller holds Pennsylvania license OS013037.

Which hospitals is Dr. Thomas C. Keller Jr. affiliated with?

Dr. Keller is affiliated with UPMC Hanover. Dmand AI links Dr. Keller to 2 more hospitals.

What medical group is Dr. Thomas C. Keller Jr. part of?

Dr. Keller is linked to Phoenix Physical Therapy. Dmand AI links Dr. Keller to 1 more medical group.

Does Dr. Thomas C. Keller Jr. accept Medicare?

Yes. CMS data shows Dr. Keller billed Medicare for 4,317 services in 2024, and Dr. Keller accepts Medicare assignment.

What is Dr. Thomas C. Keller Jr.'s MIPS score?

Dr. Keller's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.

How many Medicare patients does Dr. Thomas C. Keller Jr. see?

CMS counts 796 Medicare patients who saw Dr. Keller in 2024, with an average age of 81.

Show 8 more questionsShow fewer questions

Is Dr. Thomas C. Keller Jr. board certified?

Yes. Dr. Keller is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Thomas C. Keller Jr. bill to Medicare?

In 2024, Dr. Keller's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J0897) and nursing facility care (99308).

Where did Dr. Thomas C. Keller Jr. go to medical school?

Dr. Keller graduated from West Virginia School of Osteopathic Medicine in 2001.

What drugs does Dr. Thomas C. Keller Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Keller's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Thomas C. Keller Jr. received payments from drug or device companies?

CMS Open Payments shows $24,511 in general payments to Dr. Keller from 72 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.

How long has Dr. Thomas C. Keller Jr. been practicing?

Dr. Keller graduated from medical school in 2001, 25 years ago.

Does Dr. Thomas C. Keller Jr. do research?

Dmand AI links 8 publications to Dr. Keller, published from 2011 to 2014.

Who does Dr. Thomas C. Keller Jr. publish with?

Dr. Keller's most frequent co-authors are Stephen F. Brockmeier, MD (3 shared papers), Marc Tompkins, MD (3 shared papers) and Avneesh Chhabra, MD (1 shared paper).

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