Dr. Nathaniel L. Haddock, MD

  • Juneau, AK
  • Internist
NPI1659397065PAC ID3678523503
Medicare services, 2024
5,746
Medicare patients, 2024
576
Part D claims, 2024
9,511
MIPS score, 2024
75
Hospital affiliations
2
Practice address
3260 Hospital Dr, Juneau, AK 99801
Practice phone
Call (907) 796-8900
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Bartlett Regional Hospital

Hospital · Juneau, Alaska

See all 7 affiliations

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Dr. Nathaniel L. Haddock is an internist in Juneau, Alaska

Dr. Haddock practices at Bartlett Regional Hospital in Juneau, Alaska, part of City and Borough of Juneau.

Dr. Haddock's NPI, 1659397065, was assigned on July 15, 2006. Dr. Haddock graduated from Indiana University School of Medicine in 1997. Dr. Haddock holds Alaska license 4177.

NPI and contact details
Medicare PAC ID
3678523503
NPI enumeration date
July 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(907) 796-8900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nathaniel L. Haddock practices at Bartlett Regional Hospital in Juneau, Alaska

Dr. Haddock's primary practice is Bartlett Regional Hospital, at 3260 Hospital Dr, Juneau, AK 99801 in Juneau Borough. The practice phone is (907) 796-8900.

Source: Dmand AI Affiliation Data

Dr. Nathaniel L. Haddock is affiliated with 5 sites of care and 2 medical groups

Dr. Haddock's primary practice is Bartlett Regional Hospital in Juneau, Alaska, part of City and Borough of Juneau. Dr. Haddock is also affiliated with Mt. Edgecumbe Medical Center. The medical group on file is Bartlett Family Medicine. Dmand AI also links Dr. Haddock to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Haddock

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nathaniel L. Haddock's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haddock practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bartlett Regional HospitalAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Haddock practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across City and Borough of Juneau and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Nathaniel L. Haddock is one of 194 internists in Alaska

Internal medicine is Dr. Haddock's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Haddock is licensed in Alaska.

Specialties and state licenses

  • Internal medicine, AlaskaPrimaryLicense 4177 · taxonomy 207R00000X

Internists near Dr. Haddock

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nathaniel L. Haddock billed Medicare for 5,746 services in 2024

CMS data shows 5,746 Medicare services from Dr. Haddock across 39 procedure codes in 2024, for 576 Medicare patients. Medicare paid $273,367 for them.

Medicare services, 20245,746
Medicare patients576
Paid by Medicare$273,367
Procedure codes39

Dr. Haddock's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 2,8082024: 2,9445%
Office and hospital visits
2023: 1,4112024: 1,3524%
Other services
2023: 4812024: 88183%
Tests and treatments
2023: 4122024: 27234%
Surgery
2023: 1792024: 21721%
Drugs given in the office
2023: 1022024: 8022%

Where Dr. Haddock's Medicare services took place, 2024

  • In an office5,69899%
  • In a facility481%

Dr. Haddock compared with the Alaska median for internists, 2024

  • Dr. Haddock
  • Alaska median
Medicare services
5,746vs 37615.3 times
Medicare patients
576vs 1783.2 times
Part D claims
8,642vs 83104.1 times

Medians across 175 internists in Alaska with Dmand AI profiles that report each measure.

Dr. Haddock's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Haddock

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nathaniel L. Haddock treated 576 Medicare patients in 2024, average age 76

CMS counts 576 Medicare patients who saw Dr. Haddock in 2024. The largest group is 65 to 74, with 249 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 5% are also on Medicaid. Their average risk score is 0.83, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Haddock's median patient age at 74, with 33% women.

Medicare patients, 2024576
Average age76
Average risk score0.83
Also on Medicaid5%

Dr. Haddock's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Haddock's Medicare patients by sex, 2024

  • Women16028%
  • Men41672%

Chronic conditions among Dr. Haddock's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol71%
  3. Arthritis25%
  4. Diabetes25%
  5. Chronic kidney disease21%
  6. Atrial fibrillation20%
  7. Ischemic heart disease15%
  8. Heart failure14%

Share of Medicare patients with each condition. A patient can have several.

Dr. Haddock's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women33%
  • Men67%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nathaniel L. Haddock wrote 9,511 Medicare Part D claims in 2024

In 2024, Dr. Haddock wrote 9,511 Medicare Part D claims for 551 patients. 81% of them were for generic drugs. CMS names the drug for 8,642 of them, across 106 drugs with 11 or more claims each, at $1,836,662 in total drug cost. In 2023, CMS named 7,820 claims across 101 drugs.

Part D claims, 20249,511
Drugs named by CMS106
Total drug cost$1.8M
Part D patients551

Dr. Haddock's Part D claims by kind of drug, 2024

  • Generic7,677 claims81%
  • Brand-name1,737 claims18%
  • Other97 claims1%

Dr. Haddock's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Haddock's Part D claims, 2024

  • Opioids1%63 of 9,511 claims
  • Antibiotics1%61 of 9,511 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7,8202024: 8,64211%

Drugs named by CMS: 106 in 2024, 101 in 2023.

See all prescribing by Dr. Haddock

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Nathaniel L. Haddock scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Haddock for performance year 2024, reported individually. Dr. Haddock accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Haddock as offering telehealth. CMS counts 65 procedures of removal of skin lesions by Dr. Haddock, more than 73% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Where Dr. Haddock ranks in Medicare procedure volume

Removal of skin lesions
73rd percentile65 procedures
Skin biopsy
65th percentile28 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Nathaniel L. Haddock received $1,722 in industry payments from 2016 to 2025

CMS Open Payments shows 74 general payments to Dr. Haddock from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. AstraZeneca Pharmaceuticals LP paid the most, $455.

General payments to Dr. Haddock by program year, 2016 to 2025

General payments to Dr. Haddock by kind, 2016 to 2025

$1.7Kin total
  • Food and beverage$1,57992%
  • Education$1438%

Companies that paid Dr. Haddock the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Haddock

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Nathaniel L. Haddock graduated from Indiana University School of Medicine

Dr. Haddock graduated from Indiana University School of Medicine in 1997.

  1. Medical schoolIndiana University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Nathaniel L. Haddock's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nathaniel L. Haddock

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nathaniel L. Haddock's NPI number?

Dr. Nathaniel L. Haddock's NPI number is 1659397065. It was assigned on July 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nathaniel L. Haddock?

Dr. Nathaniel L. Haddock is an internist in Juneau, Alaska. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Nathaniel L. Haddock practice?

Dr. Haddock practices at 3260 Hospital Dr, Juneau, AK 99801. Dr. Haddock's primary practice is Bartlett Regional Hospital in Juneau, Alaska, part of City and Borough of Juneau. Dmand AI also links Dr. Haddock to 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Nathaniel L. Haddock's office phone number?

The practice phone on file for Dr. Haddock is (907) 796-8900.

What is Dr. Nathaniel L. Haddock's medical license number?

Dr. Haddock holds Alaska license 4177.

Which hospitals is Dr. Nathaniel L. Haddock affiliated with?

Dr. Haddock practices at Bartlett Regional Hospital in Juneau, Alaska. Dr. Haddock is also affiliated with Mt. Edgecumbe Medical Center.

What medical group is Dr. Nathaniel L. Haddock part of?

Dr. Haddock is linked to Bartlett Family Medicine. Dmand AI links Dr. Haddock to 1 more medical group.

Does Dr. Nathaniel L. Haddock accept Medicare?

Yes. CMS data shows Dr. Haddock billed Medicare for 5,746 services in 2024, and Dr. Haddock accepts Medicare assignment.

Does Dr. Nathaniel L. Haddock offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Haddock as offering telehealth services.

What is Dr. Nathaniel L. Haddock's MIPS score?

Dr. Haddock's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Nathaniel L. Haddock see?

CMS counts 576 Medicare patients who saw Dr. Haddock in 2024, with an average age of 76.

What services does Dr. Nathaniel L. Haddock bill to Medicare?

In 2024, Dr. Haddock's most billed Medicare services were office visit, established patient (99215), lab and pathology test (85025) and lab and pathology test (80053).

Where did Dr. Nathaniel L. Haddock go to medical school?

Dr. Haddock graduated from Indiana University School of Medicine in 1997.

What drugs does Dr. Nathaniel L. Haddock prescribe most?

In 2024 Medicare Part D data, Dr. Haddock's most prescribed drugs by claims were Losartan Potassium, Atorvastatin Calcium and Rosuvastatin Calcium.

Has Dr. Nathaniel L. Haddock received payments from drug or device companies?

CMS Open Payments shows $1,722 in general payments to Dr. Haddock from 16 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Nathaniel L. Haddock been practicing?

Dr. Haddock graduated from medical school in 1997, 29 years ago.

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