Nathaniel L. Haddock, M.D.
Internal Medicine Physician · Juneau, AK
Nathaniel L. Haddock, M.D. is an internal medicine physician with a practice address in Juneau, Alaska, and NPI 1659397065, issued on Jul 15, 2006. Check the license (Alaska 4177, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathaniel L. Haddock
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4177 AK
Self-reported in NPPES; status is on the state search - Practice location
- 10301 Glacier Hwy, Juneau, AK 99801
- Phone
- (907) 789-2910
- Enumerated
- Jul 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (907) 789-5545
- Medicaid ID
- MD87952 AK
- Medicare enrollment
- Enrolled (PECOS I20050222001042); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 177 in Alaska → Look up another NPI →
Also registered at 10301 Glacier Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janna Brewster, ANPFamily Nurse Practitioner1336224351
- William Cole, M.D.Internal Medicine Physician1164442323
- Abbey Cummings, P.A.-CMedical Physician Assistant1356661565
- Larry Depute, P.A.-CMedical Physician Assistant1114943529
- Melissa Hynes, M.D.Internal Medicine Physician1255479291
- Alex Malter, M.D.Internal Medicine Physician1174549596
Verify Nathaniel L. Haddock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license 4177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average internal medicine physician in 2024
9,511 Medicare Part D claims for 551 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 63 claims were for opioids.
Most prescribed
- Losartan Potassium670 claims
- Atorvastatin Calcium639 claims
- Rosuvastatin Calcium600 claims
- Metoprolol Succinate518 claims
- Tamsulosin Hcl432 claims
- Amlodipine Besylate397 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $560.99
25 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
One hospital affiliation
- Bartlett Regional HospitalJuneau, AK · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Nathaniel L. Haddock among 177 internal medicine physician records in Alaska
Nathaniel L. Haddock, M.D. is one of 177 internal medicine physician records with a practice address in Alaska. 68% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 51% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1997 · median 2010 among the 92 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Alaska
There are 177 internal medicine physician records in Alaska.
All 177 in Alaska → Every provider in Juneau → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Cole, M.D.Juneau, AK 998011164442323
- Melissa Hynes, M.D.Juneau, AK 998011255479291
- Alex Malter, M.D.Juneau, AK 998011174549596
- Catherine Peimann, MDJuneau, AK 998011073619912
- Anne Standerwick, MDJuneau, AK 998011811093743
- Marilyn Coruzzi, MDSitka, AK 998351053487587
- Guillermo Espinoza, M.D.Sitka, AK 998351194081042
- Julien Naylor, MDSitka, AK 998351154354652
Common questions
What is Nathaniel L. Haddock, M.D.'s NPI number?
Nathaniel L. Haddock, M.D.'s National Provider Identifier (NPI) is 1659397065, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel L. Haddock, M.D. located?
The NPPES record lists a practice address at 10301 Glacier Hwy, Juneau, AK, 99801. Phone: (907) 789-2910. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel L. Haddock, M.D.'s license?
NPPES lists Alaska license number 4177, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathaniel L. Haddock, M.D. prescribe under Medicare Part D?
In 2024, Nathaniel L. Haddock, M.D. had 9,511 Medicare Part D claims for 551 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nathaniel L. Haddock, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.