Ethan Allen Natelson, M.D.
Hematology (Internal Medicine) Physician · Houston, TX
Ethan Allen Natelson, M.D. is a hematology (internal medicine) physician with a practice address in Houston, Texas, and NPI 1417921032, issued on Feb 13, 2006. Check the license (Texas D9036, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ethan Allen Natelson
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- D9036 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6550 Fannin St, Houston, TX 77030
- Phone
- (713) 441-5154
- Enumerated
- Feb 13, 2006
- Record last updated
- Mar 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid IDs
- 041934304 TX
041934303 TX - Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 73 in Texas → Look up another NPI →
Also registered at 6550 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ethan Allen Natelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D9036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
101 Medicare Part D claims for 25 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Xarelto32 claims
- Deferasirox13 claims
- Hydroxyurea13 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: $1,067.46
38 payments; by number, the most common kind was food and beverage; the largest payer was Sobi, Inc. The 721 providers of this specialty with any payment received $13,778.35 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.
Ethan Allen Natelson among 73 hematology (internal medicine) physician records in Texas
Ethan Allen Natelson, M.D. is one of 73 hematology (internal medicine) physician records with a practice address in Texas. 88% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2016 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Texas
There are 73 hematology (internal medicine) physician records in Texas.
All 73 in Texas → Every provider in Houston → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Kelty Baker, MDHouston, TX 770301710090857
- Robert Bast, MDHouston, TX 770301013901008
- George Carrum, MDHouston, TX 770301851471288
- Miguel Escobar, M.D.Houston, TX 770301437177912
- Siddhartha Ganguly, M.D.Houston, TX 770301689767261
- Alexandra Ikeguchi, M.D.Houston, TX 770301962402321
- Swaminathan Iyer, M.D.Houston, TX 770301063493229
- Edward Lynch, M.D.Houston, TX 770301164516407
Common questions
What is Ethan Allen Natelson, M.D.'s NPI number?
Ethan Allen Natelson, M.D.'s National Provider Identifier (NPI) is 1417921032, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ethan Allen Natelson, M.D. located?
The NPPES record lists a practice address at 6550 Fannin St, Houston, TX, 77030. Phone: (713) 441-5154. Providers update this record themselves, so call before visiting.
How can I verify Ethan Allen Natelson, M.D.'s license?
NPPES lists Texas license number D9036, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ethan Allen Natelson, M.D. prescribe under Medicare Part D?
In 2024, Ethan Allen Natelson, M.D. had 101 Medicare Part D claims for 25 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.