Dr. Claudia S. Lum, DO
- Medicare services, 2024
- 386
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 32
- Hospital affiliations
- 1
- Industry payments
- $20
- Practice address
- 609 W Germantown Pike, East Norriton, PA 19403
- Practice phone
- Call (610) 239-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Einstein Montgomery Surgery Center
Surgery Center - Not Medicare-Certified · East Norriton, Pennsylvania
Find Dr. Lum's professional email, personal email and mobile number
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Dr. Claudia S. Lum is an internist in Norristown, Pennsylvania
Dr. Lum practices at Einstein Montgomery Surgery Center in East Norriton, Pennsylvania.
Dr. Lum's NPI, 1972733988, was assigned on July 24, 2009. Dr. Lum graduated from Philadelphia College of Osteopathic Medicine in 2009. Dr. Lum holds Pennsylvania license OS015369.
- NPI
- 1972733988NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971753146
- NPI enumeration date
- July 24, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 239-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Claudia S. Lum practices at Einstein Montgomery Surgery Center in East Norriton, Pennsylvania
Dr. Lum's primary practice is Einstein Montgomery Surgery Center, at 609 W Germantown Pike, East Norriton, PA 19403. The practice phone is (610) 239-2600.
- Einstein Montgomery Surgery Center609 W Germantown Pike, East Norriton, PA 19403Phone(610) 239-2600
Source: Dmand AI Affiliation Data
Dr. Claudia S. Lum is affiliated with 2 sites of care and 3 medical groups
Dr. Lum's primary practice is Einstein Montgomery Surgery Center in East Norriton, Pennsylvania. Dr. Lum is also affiliated with Jefferson Einstein Montgomery Hospital. The medical group on file is Einstein Physicians Olney. Dmand AI also links Dr. Lum to 2 more medical groups, each named with a free account. Dr. Lum's employer is on file too: a surgery center (asc).
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Claudia S. Lum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lum practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Einstein Montgomery Surgery Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Claudia S. Lum is one of 5,665 internists in Pennsylvania
Internal medicine is Dr. Lum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Lum is licensed in Pennsylvania.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
Internists near Dr. Lum
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. Claudia S. Lum billed Medicare for 386 services in 2024
CMS data shows 386 Medicare services from Dr. Lum across 5 procedure codes in 2024, for 174 Medicare patients. Medicare paid $29,536 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4692024: 38618%
Dr. Lum compared with the Pennsylvania median for internists, 2024
- Dr. Lum
- Pennsylvania median
- Medicare services
- 386vs 4177% below
- Medicare patients
- 174vs 1856% below
- Part D claims
- 25vs 22489% below
Medians across 5,518 internists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Lum'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lum and other internists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Claudia S. Lum treated 174 Medicare patients in 2024, average age 78
CMS counts 174 Medicare patients who saw Dr. Lum in 2024. The largest group is 75 to 84, with 60 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.59, 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. Lum's median patient age at 65, with 52% women.
Dr. Lum's Medicare patients by age, 2024
Dr. Lum's Medicare patients by sex, 2024
- Women8649%
- Men8851%
Chronic conditions among Dr. Lum's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease62%
- Arthritis59%
- Mood disorders52%
- Heart failure51%
- Anxiety47%
- Chronic kidney disease47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lum's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Claudia S. Lum wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Lum wrote 32 Medicare Part D claims for 24 patients. 94% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $199 in total drug cost. In 2018, CMS named 44 claims across 3 drugs.
Dr. Lum's Part D claims by kind of drug, 2024
- Generic30 claims94%
- Brand-name and other2 claims6%
Dr. Lum's most prescribed drugs by claims, 2019
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 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 442019: 2543%
Drugs named by CMS: 2 in 2019, 3 in 2018.
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
How Dr. Claudia S. Lum takes part in Medicare
Dr. Lum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Claudia S. Lum received $20 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Lum from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $20.
Companies that paid Dr. Lum the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Claudia S. Lum graduated from Philadelphia College of Osteopathic Medicine
Dr. Lum graduated from Philadelphia College of Osteopathic Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Claudia S. Lum'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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. Claudia S. Lum
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. Claudia S. Lum's NPI number?
Dr. Claudia S. Lum's NPI number is 1972733988. It was assigned on July 24, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Claudia S. Lum?
Dr. Claudia S. Lum is an internist in Norristown, Pennsylvania. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Claudia S. Lum practice?
Dr. Lum practices at 609 W Germantown Pike, East Norriton, PA 19403. Dr. Lum's primary practice is Einstein Montgomery Surgery Center in East Norriton, Pennsylvania. Dmand AI also links Dr. Lum to 2 medical groups.
What is Dr. Claudia S. Lum's office phone number?
The practice phone on file for Dr. Lum is (610) 239-2600.
What is Dr. Claudia S. Lum's medical license number?
Dr. Lum holds Pennsylvania license OS015369.
Which hospitals is Dr. Claudia S. Lum affiliated with?
Dr. Lum is affiliated with Jefferson Einstein Montgomery Hospital.
What medical group is Dr. Claudia S. Lum part of?
Dr. Lum is linked to Einstein Physicians Olney. Dmand AI links Dr. Lum to 2 more medical groups.
Does Dr. Claudia S. Lum accept Medicare?
Yes. CMS data shows Dr. Lum billed Medicare for 386 services in 2024, and Dr. Lum accepts Medicare assignment.
How many Medicare patients does Dr. Claudia S. Lum see?
CMS counts 174 Medicare patients who saw Dr. Lum in 2024, with an average age of 78.
What services does Dr. Claudia S. Lum bill to Medicare?
In 2024, Dr. Lum's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99223).
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Where did Dr. Claudia S. Lum go to medical school?
Dr. Lum graduated from Philadelphia College of Osteopathic Medicine in 2009.
What drugs does Dr. Claudia S. Lum prescribe most?
In 2019 Medicare Part D data, Dr. Lum's most prescribed drugs by claims were Prednisone and Cefdinir.
Has Dr. Claudia S. Lum received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Lum from 1 company from 2017 to 2017. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Claudia S. Lum been practicing?
Dr. Lum graduated from medical school in 2009, 17 years ago.
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