Ryan Herchan, DO
Obesity Medicine (Internal Medicine) Physician · Danville, PA
Ryan Herchan, DO is an obesity medicine (internal medicine) physician with a practice address in Danville, Pennsylvania, and NPI 1790487346, issued on Mar 20, 2023. Check the license (Pennsylvania OS025800, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Ryan Herchan
- Credential
- DO
- Primary taxonomy
- Obesity Medicine (Internal Medicine) Physician 207RB0002X
- License number
- OS025800 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6468
- Enumerated
- Mar 20, 2023
- Record last updated
- Jun 29, 2026
- Fax
- (570) 271-7805
- Entity
- Type 1 · individual
7 nearest obesity medicine (internal medicine) physician records → All 8 in Pennsylvania → Look up another NPI →
Also registered at 100 N Academy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Herchan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS025800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average obesity medicine (internal medicine) physician in 2024
70 Medicare Part D claims for 26 beneficiaries, against an average of 742 among the 106 providers of this specialty who prescribed in Part D.
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: $184.94
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 80 providers of this specialty with any payment received $6,310.67 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.
Obesity Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 8 obesity medicine (internal medicine) physician records in Pennsylvania.
All 8 in Pennsylvania → Every provider in Danville → Obesity Medicine (Internal Medicine) Physician nationwide →
The 7 obesity medicine (internal medicine) physician records with the nearest ZIP codes
- Monica Brandau, DOAllentown, PA 181031598923393
- Sunil Daniel, M.D.Allentown, PA 181031528375888
- Rena Lambert, D.O.Allentown, PA 181031639371032
- Diana Pallin, MDWarrington, PA 189761962662981
- Charles Seltzer, MDPhiladelphia, PA 191021043463250
- Kimberly Rotunna, RNNew Castle, PA 161051033002662
- Kimberly Wolf, D.O.Wyomissing, PA 196101114298528
Common questions
What is Ryan Herchan, DO's NPI number?
Ryan Herchan, DO's National Provider Identifier (NPI) is 1790487346, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Herchan, DO located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6468. Providers update this record themselves, so call before visiting.
How can I verify Ryan Herchan, DO's license?
NPPES lists Pennsylvania license number OS025800, 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 Ryan Herchan, DO prescribe under Medicare Part D?
In 2024, Ryan Herchan, DO had 70 Medicare Part D claims for 26 beneficiaries; the average among obesity medicine (internal medicine) physician prescribers was 742. 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.