Geoffrey Lane Koff, M.D.
Pulmonary Disease Physician · Drexel Hill, PA
Geoffrey Lane Koff, M.D. is a pulmonary disease physician with a practice address in Drexel Hill, Pennsylvania, and NPI 1508090325, issued on May 7, 2009. Check the license (Pennsylvania MD448256, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Geoffrey Lane Koff
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- MD448256 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Keystone Ave Ste 309, Drexel Hill, PA 19026
- Phone
- (610) 394-9860
- Enumerated
- May 7, 2009
- Record last updated
- Nov 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150915000942); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 779 in Pennsylvania → Look up another NPI →
Verify Geoffrey Lane Koff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD448256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,028 Medicare Part D claims for 314 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Trelegy Ellipta341 claims
- Albuterol Sulfate Hfa186 claims
- Montelukast Sodium161 claims
- Anoro Ellipta143 claims
- Breo Ellipta125 claims
- Fluticasone-Salmeterol110 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,093.35
53 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Abington Memorial HospitalAbington, PA
- Pulmonology Associates IncPaoli, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geoffrey Lane Koff among 779 pulmonary disease physician records in Pennsylvania
Geoffrey Lane Koff, M.D. is one of 779 pulmonary disease physician records with a practice address in Pennsylvania. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2009 · median 2003 among the 568 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Pennsylvania
There are 779 pulmonary disease physician records in Pennsylvania.
All 779 in Pennsylvania → Every provider in Drexel Hill → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- James Ortmeyer, M.D.Drexel Hill, PA 190261598761470
- Thomas Prestel, M.D.Drexel Hill, PA 190261891791778
- Frank Barch, MDElkins Park, PA 190271063470342
- Francis Brahmakulam, M.D.Darby, PA 190231952563165
- Michael Korman, M.D.Darby, PA 190231316950132
- Ajay Pillai, M.D.Darby, PA 190231376556043
- Rubina Haidar, M.D.Fort Washington, PA 190341295768794
- Leonard Berkowitz, MDChester, PA 190131558477422
Common questions
What is Geoffrey Lane Koff, M.D.'s NPI number?
Geoffrey Lane Koff, M.D.'s National Provider Identifier (NPI) is 1508090325, issued on May 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Lane Koff, M.D. located?
The NPPES record lists a practice address at 2100 Keystone Ave Ste 309, Drexel Hill, PA, 19026. Phone: (610) 394-9860. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Lane Koff, M.D.'s license?
NPPES lists Pennsylvania license number MD448256, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Geoffrey Lane Koff, M.D. prescribe under Medicare Part D?
In 2024, Geoffrey Lane Koff, M.D. had 2,028 Medicare Part D claims for 314 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.