Dr. Timothy Michael Patterson, DO
- Medicare services, 2024
- 549
- Medicare patients, 2024
- 233
- Part D claims, 2024
- 4,438
- Hospital affiliations
- 5
- Industry payments
- $8,204
- Practice address
- 1 Medical Center Blvd, Chester, PA 19013
- Practice phone
- Call (610) 338-8228
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Crozer Chester Medical Center (CLOSED)
Chester, Pennsylvania
Find Dr. Patterson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Timothy Michael Patterson is an internist in Chester, Pennsylvania
Dr. Patterson practices at Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania.
Dr. Patterson's NPI, 1902132871, was assigned on October 27, 2009. Dr. Patterson graduated from Philadelphia College of Osteopathic Medicine in 2004. Dr. Patterson holds Pennsylvania license OS015421.
- NPI
- 1902132871NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193903391
- NPI enumeration date
- October 27, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (610) 338-8228
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy Michael Patterson practices at Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania
Dr. Patterson's primary practice is Crozer Chester Medical Center (CLOSED), at 1 Medical Center Blvd, Chester, PA 19013 in Delaware County. The practice phone is (610) 338-8228.
- Crozer Chester Medical Center (CLOSED)1 Medical Center Blvd, Chester, PA 19013 · Delaware CountyPhone(610) 338-8228
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Timothy Michael Patterson is affiliated with 9 sites of care and 2 medical groups
Dr. Patterson's primary practice is Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania. Dr. Patterson is also affiliated with Lankenau Medical Center. The medical group on file is Crozer Health Medical Group (CHMG). Dmand AI also links Dr. Patterson to 4 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Timothy Michael Patterson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Patterson practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crozer Chester Medical Center (CLOSED) | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy Michael Patterson is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Patterson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Patterson is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Patterson
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. Timothy Michael Patterson billed Medicare for 549 services in 2024
CMS data shows 549 Medicare services from Dr. Patterson across 7 procedure codes in 2024, for 233 Medicare patients. Medicare paid $27,408 for them. Every service was in an office.
Dr. Patterson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3132024: 2936%
- Other services
- 2023: 1672024: 22233%
- Tests and treatments
- 2023: 282024: 3421%
Dr. Patterson compared with the Pennsylvania median for internists, 2024
- Dr. Patterson
- Pennsylvania median
- Medicare services
- 549vs 41732% above
- Medicare patients
- 233vs 18526% above
- Part D claims
- 3,815vs 22417.0 times
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Patterson'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy Michael Patterson treated 233 Medicare patients in 2024, average age 73
CMS counts 233 Medicare patients who saw Dr. Patterson in 2024. The largest group is 65 to 74, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Patterson's median patient age at 59, with 41% women.
Dr. Patterson's Medicare patients by age, 2024
Dr. Patterson's Medicare patients by sex, 2024
- Women10043%
- Men13357%
Chronic conditions among Dr. Patterson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis36%
- Diabetes29%
- Ischemic heart disease24%
- Anxiety21%
- Mood disorders21%
- COPD19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Patterson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women41%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy Michael Patterson wrote 4,438 Medicare Part D claims in 2024
In 2024, Dr. Patterson wrote 4,438 Medicare Part D claims for 378 patients. 89% of them were for generic drugs. CMS names the drug for 3,815 of them, across 85 drugs with 11 or more claims each, at $237,080 in total drug cost. In 2023, CMS named 3,015 claims across 75 drugs.
Dr. Patterson's Part D claims by kind of drug, 2024
- Generic3,949 claims89%
- Brand-name474 claims11%
- Other15 claims0%
Dr. Patterson'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. Patterson's Part D claims, 2024
- Opioids3%149 of 4,438 claims
- Antibiotics1%66 of 4,438 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: 3,0152024: 3,81527%
Drugs named by CMS: 85 in 2024, 75 in 2023.
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. Timothy Michael Patterson offers telehealth to Medicare patients
Dr. Patterson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Patterson as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Timothy Michael Patterson received $8,204 in industry payments from 2016 to 2024
CMS Open Payments shows 485 general payments to Dr. Patterson from 51 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Novo Nordisk Inc paid the most, $1,234.
General payments to Dr. Patterson by program year, 2016 to 2024
General payments to Dr. Patterson by kind, 2016 to 2024
- Food and beverage$8,14599%
- Speaker and faculty fees$531%
- Education$60%
Companies that paid Dr. Patterson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy Michael Patterson graduated from Philadelphia College of Osteopathic Medicine
Dr. Patterson graduated from Philadelphia College of Osteopathic Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy Michael Patterson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Timothy Michael Patterson
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. Timothy Michael Patterson's NPI number?
Dr. Timothy Michael Patterson's NPI number is 1902132871. It was assigned on October 27, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy Michael Patterson?
Dr. Timothy Michael Patterson is an internist in Chester, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Timothy Michael Patterson practice?
Dr. Patterson practices at 1 Medical Center Blvd, Chester, PA 19013. Dr. Patterson's primary practice is Crozer Chester Medical Center (CLOSED) in Chester, Pennsylvania. Dmand AI also links Dr. Patterson to 4 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Timothy Michael Patterson's office phone number?
The practice phone on file for Dr. Patterson is (610) 338-8228.
What is Dr. Timothy Michael Patterson's medical license number?
Dr. Patterson holds Pennsylvania license OS015421.
Which hospitals is Dr. Timothy Michael Patterson affiliated with?
Dr. Patterson is affiliated with Lankenau Medical Center. Dmand AI links Dr. Patterson to 4 more hospitals.
What medical group is Dr. Timothy Michael Patterson part of?
Dr. Patterson is linked to Crozer Health Medical Group (CHMG). Dmand AI links Dr. Patterson to 1 more medical group.
Does Dr. Timothy Michael Patterson accept Medicare?
Yes. CMS data shows Dr. Patterson billed Medicare for 549 services in 2024, and Dr. Patterson accepts Medicare assignment.
Does Dr. Timothy Michael Patterson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Patterson as offering telehealth services.
How many Medicare patients does Dr. Timothy Michael Patterson see?
CMS counts 233 Medicare patients who saw Dr. Patterson in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Timothy Michael Patterson bill to Medicare?
In 2024, Dr. Patterson's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G0008).
Where did Dr. Timothy Michael Patterson go to medical school?
Dr. Patterson graduated from Philadelphia College of Osteopathic Medicine in 2004.
What drugs does Dr. Timothy Michael Patterson prescribe most?
In 2024 Medicare Part D data, Dr. Patterson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Timothy Michael Patterson received payments from drug or device companies?
CMS Open Payments shows $8,204 in general payments to Dr. Patterson from 51 companies from 2016 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Timothy Michael Patterson been practicing?
Dr. Patterson graduated from medical school in 2004, 22 years ago.
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