Geoffrey Kynan Hadlock, MD
Family Medicine Physician · Waterloo, IA
Geoffrey Kynan Hadlock, MD is a family medicine physician with a practice address in Waterloo, Iowa, and NPI 1184668709, issued on Jun 15, 2006. Check the license (Iowa 43923, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Kynan Hadlock
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43923 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2055 Kimball Ave Ste 330, Waterloo, IA 50702
- Phone
- (319) 272-1825
- Enumerated
- Jun 15, 2006
- Record last updated
- Nov 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (319) 272-1829
- Medicare enrollment
- Enrolled (PECOS I20161206000975); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Verify Geoffrey Kynan Hadlock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 43923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average family medicine physician in 2024
9,975 Medicare Part D claims for 883 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 257 claims were for opioids.
Most prescribed
- Atorvastatin Calcium589 claims
- Levothyroxine Sodium417 claims
- Lisinopril319 claims
- Amlodipine Besylate283 claims
- Rosuvastatin Calcium261 claims
- Pantoprazole Sodium247 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: $41.28
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Covenant Medical Center IncCedar Falls, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geoffrey Kynan Hadlock among 2,336 family medicine physician records in Iowa
Geoffrey Kynan Hadlock, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1995 · median 2006 among the 1,367 with a school on file
- Record last updated2016 · 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 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 family medicine physician records list a practice address in Waterloo
They are 93 of the 1,512 NPPES records with a practice address in Waterloo, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Waterloo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mitchel Bernstrom, M.D.Waterloo, IA 507021265489967
- Mark Bickley, D.O.Waterloo, IA 507021912948126
- Patricia Connell, M.D.Waterloo, IA 507021073510715
- Ronald Flory, MDWaterloo, IA 507021366483547
- Robert Friedman, M.D.Waterloo, IA 507021013915750
- Nicholas Goetsch, D.O.Waterloo, IA 507021740287614
- Michelle Graham, M.D.Waterloo, IA 507021295722106
- David Hagedorn, DOWaterloo, IA 507021922078369
Common questions
What is Geoffrey Kynan Hadlock, MD's NPI number?
Geoffrey Kynan Hadlock, MD's National Provider Identifier (NPI) is 1184668709, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Kynan Hadlock, MD located?
The NPPES record lists a practice address at 2055 Kimball Ave Ste 330, Waterloo, IA, 50702. Phone: (319) 272-1825. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Kynan Hadlock, MD's license?
NPPES lists Iowa license number 43923, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Geoffrey Kynan Hadlock, MD prescribe under Medicare Part D?
In 2024, Geoffrey Kynan Hadlock, MD had 9,975 Medicare Part D claims for 883 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.