← The evidence ledger
Evidence row 66444
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.healthparse.io/v1/prescribers/part-d/by-drug/search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- acb0a43e3c9642a9e75ffaec60c2574a2f260e37cd0a0a368660f469416614f8
- Leaf
- 0x999d0ba3c07318462e5bf8b6faa7544754f53535561e0ee2186125a7cf5abe13
What was observed
{
"endpoints": [
[
"x402",
"https://api.healthparse.io/v1/prescribers/part-d/by-drug/search"
]
],
"name": "api.healthparse.io/v1/prescribers/part-d/by-drug/search",
"owner_address": "0x177ea123a35253ba8869a7e21e717978e482351d",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x177eA123A35253ba8869A7e21E717978e482351D",
"scheme": "exact"
}
],
"description": "Find Medicare Part D prescribers of a specific DRUG or therapeutic CLASS at NPI level — the core pharma targeting query. Filter by drug_class (GLP-1, SGLT2, DPP-4, Statin, from partd_drug_class) or a single drug (brand or generic, e.g. 'Ozempic'), plus specialty, state, min_claims, min_beneficiaries, year. Each hit carries the drug's claim/cost volume and the prescriber's specialty/state/city. Public CMS provider-level data; not a consumer report.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"brand_name": "example",
"drug": "example",
"drug_class": "example"
},
"type": "http"
},
"output": {
"example": {
"performance_year": 2024,
"records_notice": "Observational roster of Medicare Part D prescribers for the requested drug or therapeutic class, as published in the CMS 'by Provider and Drug' public file. One row per (NPI × drug) for the performance year; total_beneficiaries is null where CMS suppressed a count below 11. prescriber_specialty/state/city are the values filed on the CMS record. Provider-level program data — not a consumer report, and not for FCRA-regulated eligibility decisions.",
"rows": [
{
"brand_name": "Ozempic",
"generic_name": "Semaglutide",
"npi": "1234567890",
"performance_year": 2024,
"prescriber_city": "Houston",
"prescriber_specialty": "Endocrinology",
"prescriber_state": "TX",
"total_30day_fills": 618.4,
"total_beneficiaries": 88,
"total_claims": 512,
"total_drug_cost": 512340.11
}
],
"selectors": [
"drug_class=GLP-1"
],
"total_matched": 1
},
"type": "json"
}
},
"routeTemplate": "/v1/prescribers/part-d/by-drug/search",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"brand_name": {
"description": "CMS brand-name prefix (case-insensitive), e.g. 'Eliquis'",
"type": "string"
},
"drug": {
"description": "a single drug, brand or generic (e.g. 'Ozempic' or 'Semaglutide'); brands resolve to the canonical generic",
"type": "string"
},
"drug_class": {
"description": "therapeutic class from partd_drug_class, e.g. 'GLP-1' | 'SGLT2' | 'DPP-4' | 'Statin'",
"type": "string"
},
"generic_name": {
"description": "CMS generic-name prefix (case-insensitive), e.g. 'Apixaban'",
"type": "string"
},
"limit": {
"default": 25,
"maximum": 100,
"type": "integer"
},
"min_beneficiaries": {
"description": "minimum total beneficiaries (null/suppressed rows excluded)",
"type": "integer"
},
"min_claims": {
"description": "minimum total Part D claims for the drug (that year)",
"type": "integer"
},
"offset": {
"default": 0,
"type": "integer"
},
"specialty": {
"description": "prescriber specialty substring, e.g. 'Endocrinology'",
"type": "string"
},
"state": {
"description": "2-letter prescriber state code(s), comma-separated",
"type": "string"
},
"year": {
"description": "performance year (loaded: 2023, 2024; default 2024)",
"type": "integer"
}
},
"type": "object"
}
},
"type": "object"
}
}
},
"lastUpdated": "2026-10-21T05:04:12.525Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-21T05:04:12.111Z"
},
"resource": "https://api.healthparse.io/v1/prescribers/part-d/by-drug/search",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Find Medicare Part D prescribers of a specific DRUG or therapeutic CLASS at NPI level — the core pharma targeting query. Filter by drug_class (GLP-1, SGLT2, DPP-4, Statin, from partd_drug_class) or a single drug (brand or generic, e.g. 'Ozempic'), plus specialty, state, min_claims, min_beneficiaries, year. Each hit carries the drug's claim/cost volume and the prescriber's specialty/state/city. Public CMS provider-level data; not a consumer report."
}What the leaf hashes
{"body":"acb0a43e3c9642a9e75ffaec60c2574a2f260e37cd0a0a368660f469416614f8","id":66444,"kind":"listing","method":"baseline/1","observed_us":1793025460576760,"prev":null,"subject":"x402_bazaar:https://api.healthparse.io/v1/prescribers/part-d/by-drug/search","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x999d1333551367a2e8f13653045c6246662aa5320dba9b2fff7c1ed6e3481364
- 0xc36dcbf374b20cb70de2a42016a86ad035938d70df2c33d4061c505a7a20d5b5
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- 0xd17925a70e5b85b83a2fc41c5c0733fc65040b4197f99caab046802544e82bd8
- 0x02acb5fa8875a2dba21104d5df7445c2987314ecda3a728a865419ea106730e2
- 0xbdc73b9f26adb0822990d97fcc71ec21062d73f884722b6fec101748ddcb2d46
- 0x6afb2a7b37051c7066ab81fe9d854cc079e947da05f0752eaa011d73815ec9a0
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- 0x2902a29ff231b32ccac2765997f18f1504daedb7f97ee4f0577f4a8edf0e7293
- 0xd3f19437d703373e99e0bf69c4ca06561426260f599f7d259e3257085a387573
- 0x6ae9e6ee1b544d831982666bd3570457659e78fc0064894d7ec23f971a37ff2f
- 0x239fd39716710e7412bd120c373072b4c0d8b11bb9ee431dad62a2ce57b3d6f4
- 0x49062da782c4f73855ddd5fdd51840749f928b5f17d1ce75ac50f2d829104e72
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
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- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae