NPPES file of Aug 9, 2026

Emerito Natanawan, M.D.

Internal Medicine Physician · Greeley, CO

Emerito Natanawan, M.D. is an internal medicine physician with a practice address in Greeley, Colorado, and NPI 1730194531, issued on Jul 30, 2006. Check the license (Colorado CDR.0001214, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730194531
Name
Emerito Natanawan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
CDR.0001214 CO
036-091850 IL
Self-reported in NPPES; status is on the state search
Practice location
6767 W 29TH Street, Greeley, CO 80634
Phone
(970) 652-2433
Enumerated
Jul 30, 2006
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(970) 652-2252
Medicare enrollment
Enrolled (PECOS I20211209002484); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6767 W 29TH Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dana Christiansen, MDInternal Medicine Physician1679571103
  2. Eric Lindholm, CFASurgical Assistant1457474462
  3. Meara Melton, M.D., M.B.A.Internal Medicine Physician1619409083
  4. Oscar SandersOccupational Medicine Physician1487804068
  5. Randy Willman, P.T.Physical Therapist1043635444

Verify Emerito Natanawan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license CDR.0001214
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.6 times the Medicare Part D claims of the average internal medicine physician in 2024

8,175 Medicare Part D claims for 629 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 194 claims were for opioids.

  1. Emerito Natanawan8,175
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium575 claims
  2. Levothyroxine Sodium308 claims
  3. Amlodipine Besylate300 claims
  4. Gabapentin279 claims
  5. Lisinopril249 claims
  6. Omeprazole244 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.

Bills Medicare through 2 group practices

  1. Poudre Valley Medical Group LLCGreeley, CO
  2. Select Physical Therapy OF West Denver Limited PartnershipGreeley, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

37 internal medicine physician records list a practice address in Greeley

They are 37 of the 3,518 NPPES records with a practice address in Greeley, and 2,046 internal medicine physician records in Colorado.

Other internal medicine physician records in Colorado

  1. Emily Aaron, MDDenver, CO1205256971
  2. David Abbey, MS MDFort Collins, CO1568483196
  3. Tyler Abbey, DOGreeley, CO1730572694
  4. Sahar Abdelqader, MDLongmont, CO1366600710
  5. Ahmed Abdulrahman, MDPueblo, CO1093425068
  6. Durant Abernethy, M.D.Frisco, CO1427289040
  7. Alan Aboaf, MDCentennial, CO1003866393
  8. Adam Abraham, MDAurora, CO1720178304
  9. Phebe Abraham, MDGreeley, CO1558980540
  10. Richard Abrams, M.D.Denver, CO1174645386

Common questions

What is Emerito Natanawan, M.D.'s NPI number?

Emerito Natanawan, M.D.'s National Provider Identifier (NPI) is 1730194531, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Emerito Natanawan, M.D. located?

The NPPES record lists a practice address at 6767 W 29TH Street, Greeley, CO, 80634. Phone: (970) 652-2433. Providers update this record themselves, so call before visiting.

How can I verify Emerito Natanawan, M.D.'s license?

NPPES lists Colorado license number CDR.0001214, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Emerito Natanawan, M.D. prescribe under Medicare Part D?

In 2024, Emerito Natanawan, M.D. had 8,175 Medicare Part D claims for 629 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.