Dr. Peter Bryan Ahn, MD
- Medicare services, 2024
- 1,419
- Medicare patients, 2024
- 264
- Part D claims, 2024
- 6,030
- Hospital affiliations
- 1
- Industry payments
- $28
- Practice address
- 1790 Blairs Ferry Rd, Hiawatha, IA 52233-2033
- Practice phone
- Call (319) 378-8362
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Care Blairs Ferry
Primary care practice · Hiawatha, Iowa
Find Dr. Ahn'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. Peter Bryan Ahn is a family medicine physician in Hiawatha, Iowa
Dr. Ahn practices at Mercy Care Blairs Ferry in Hiawatha, Iowa.
Dr. Ahn's NPI, 1063416394, was assigned on June 1, 2005. Dr. Ahn graduated from Carver College of Medicine in 2001. Dr. Ahn holds Iowa license 35286.
- NPI
- 1063416394NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719878909
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (319) 378-8362
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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. Peter Bryan Ahn practices at Mercy Care Blairs Ferry in Hiawatha, Iowa
Dr. Ahn's primary practice is Mercy Care Blairs Ferry, at 1790 Blairs Ferry Rd, Hiawatha, IA 52233-2033. The practice phone is (319) 378-8362.
- Mercy Care Blairs Ferry1790 Blairs Ferry Rd, Hiawatha, IA 52233-2033Phone(319) 378-8362
Source: Dmand AI Affiliation Data
Dr. Peter Bryan Ahn is affiliated with 4 sites of care and 2 medical groups
Dr. Ahn's primary practice is Mercy Care Blairs Ferry in Hiawatha, Iowa. Dr. Ahn is also affiliated with Mercy Medical Center. The medical group on file is MercyCare Edgewood. Dmand AI also links Dr. Ahn to 1 more group practice or clinic, 1 home health agency and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter Bryan Ahn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ahn practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Care Blairs Ferry | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter Bryan Ahn is one of 1,873 family medicine physicians in Iowa
Family medicine is Dr. Ahn's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Ahn is board certified in family medicine by the American Board of Family Medicine. Dr. Ahn is licensed in Iowa.
Specialties and state licenses
- Family medicine, IowaPrimary
Clinical focus
Dmand AI lists acid reflux, acute sinusitis, acute skin infection, adjustment disease, aneurysm, anxiety, atrial fibrillation and flutter and bursitis among the conditions Dr. Ahn treats.
Family medicine physicians near Dr. Ahn
Counts of family medicine physicians 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. Peter Bryan Ahn billed Medicare for 1,419 services in 2024
CMS data shows 1,419 Medicare services from Dr. Ahn across 18 procedure codes in 2024, for 264 Medicare patients. Medicare paid $80,953 for them. Every service was in an office.
Dr. Ahn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6912024: 61211%
- Surgery
- 2023: 4212024: 4405%
- Tests and treatments
- 2023: 872024: 14061%
- Other services
- 2023: 752024: 13479%
- Drugs given in the office
- 2023: 802024: 748%
- Lab and pathology
- 2023: 02024: 19
- Imaging
- 2023: 352024: 0100%
Dr. Ahn compared with the Iowa median for family medicine physicians, 2024
- Dr. Ahn
- Iowa median
- Medicare services
- 1,419vs 3594.0 times
- Medicare patients
- 264vs 17353% above
- Part D claims
- 5,520vs 1,1384.9 times
Medians across 1,982 family medicine physicians in Iowa with Dmand AI profiles that report each measure.
Dr. Ahn'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.
Need commercial claims for Dr. Ahn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ahn and other family medicine physicians in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Bryan Ahn treated 264 Medicare patients in 2024, average age 74
CMS counts 264 Medicare patients who saw Dr. Ahn in 2024. The largest group is 65 to 74, with 134 patients. 75% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ahn's median patient age at 67, with 36% women.
Dr. Ahn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ahn's Medicare patients by sex, 2024
- Women10640%
- Men15860%
Chronic conditions among Dr. Ahn's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis33%
- Chronic kidney disease26%
- Diabetes26%
- Ischemic heart disease24%
- Cancer19%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ahn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women36%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Bryan Ahn wrote 6,030 Medicare Part D claims in 2024
In 2024, Dr. Ahn wrote 6,030 Medicare Part D claims for 431 patients. 90% of them were for generic drugs. CMS names the drug for 5,520 of them, across 92 drugs with 11 or more claims each, at $298,881 in total drug cost. In 2023, CMS named 4,443 claims across 77 drugs.
Dr. Ahn's Part D claims by kind of drug, 2024
- Generic5,416 claims90%
- Brand-name559 claims9%
- Other55 claims1%
Dr. Ahn'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. Ahn's Part D claims, 2024
- Opioids2%123 of 6,030 claims
- Antibiotics2%93 of 6,030 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: 4,4432024: 5,52024%
Drugs named by CMS: 92 in 2024, 77 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. Peter Bryan Ahn ranks in the 68th percentile for removal of skin lesions in Medicare
Dr. Ahn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ahn as offering telehealth. CMS counts 29 procedures of removal of skin lesions by Dr. Ahn, more than 68% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Ahn ranks in Medicare procedure volume
- Removal of skin lesions
- 68th percentile29 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter Bryan Ahn received $28 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Ahn from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $15.
Companies that paid Dr. Ahn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter Bryan Ahn graduated from Carver College of Medicine
Dr. Ahn graduated from Carver College of Medicine in 2001.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Peter Bryan Ahn accepts plans from 18 insurance carriers
Dr. Ahn is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Health Alliance
- +10 more carriersWith a free account
Plan types Dr. Ahn accepts, by number of carriers
- PPO11
- HMO10
- Medicare8
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter Bryan Ahn'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)Doctors and Clinicians Utilization Data (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Peter Bryan Ahn
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. Peter Bryan Ahn's NPI number?
Dr. Peter Bryan Ahn's NPI number is 1063416394. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Bryan Ahn?
Dr. Peter Bryan Ahn is a family medicine physician in Hiawatha, Iowa. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Peter Bryan Ahn practice?
Dr. Ahn practices at 1790 Blairs Ferry Rd, Hiawatha, IA 52233-2033. Dr. Ahn's primary practice is Mercy Care Blairs Ferry in Hiawatha, Iowa. Dmand AI also links Dr. Ahn to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Peter Bryan Ahn's office phone number?
The practice phone on file for Dr. Ahn is (319) 378-8362.
What is Dr. Peter Bryan Ahn's medical license number?
Dr. Ahn holds Iowa license 35286.
Which hospitals is Dr. Peter Bryan Ahn affiliated with?
Dr. Ahn is affiliated with Mercy Medical Center.
What medical group is Dr. Peter Bryan Ahn part of?
Dr. Ahn is linked to MercyCare Edgewood. Dmand AI links Dr. Ahn to 1 more medical group.
Does Dr. Peter Bryan Ahn accept Medicare?
Yes. CMS data shows Dr. Ahn billed Medicare for 1,419 services in 2024, and Dr. Ahn accepts Medicare assignment.
Does Dr. Peter Bryan Ahn offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ahn as offering telehealth services.
How many Medicare patients does Dr. Peter Bryan Ahn see?
CMS counts 264 Medicare patients who saw Dr. Ahn in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
Is Dr. Peter Bryan Ahn board certified?
Yes. Dr. Ahn is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Peter Bryan Ahn bill to Medicare?
In 2024, Dr. Ahn's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).
Where did Dr. Peter Bryan Ahn go to medical school?
Dr. Ahn graduated from Carver College of Medicine in 2001.
What drugs does Dr. Peter Bryan Ahn prescribe most?
In 2024 Medicare Part D data, Dr. Ahn's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Peter Bryan Ahn received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Ahn from 2 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Peter Bryan Ahn been practicing?
Dr. Ahn graduated from medical school in 2001, 25 years ago.
What insurance does Dr. Peter Bryan Ahn accept?
Dr. Ahn is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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