2026 NPPES data Primary Care Nurse Practitioner NPI 1033503230 APRN, NP-C
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ALLISON ALTENBURGER, APRN, NP-C

Primary Care Nurse Practitioner in WEST HAVEN, Connecticut. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
2K
Medicare Part D claims · 386 beneficiaries · Primary Care Nurse Practitioner avg: 1K
MIPS score
93.5626/100
▲ 10 pts above national avg 83.1 · [object Object]
What the federal data reveals: ALLISON ALTENBURGER, APRN, NP-C is a Primary Care Nurse Practitioner ([object Object]) practicing in WEST HAVEN, Connecticut with a Medicare Part D prescribing footprint of 2K claims across 386 beneficiaries . Their CMS MIPS Final Score of 93.5626/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities .

What stands out: ALLISON ALTENBURGER, APRN, NP-C reported a CMS MIPS final score of 93.5626 out of 100, above the 83.1 national average, and filed 2,168 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

ALLISON ALTENBURGER, APRN, NP-C at a glance

High performer (top quartile)

NPI registry status

Active

Issued 03/25/2015

NPI 1033503230

Primary specialty

Primary Care Nurse Practitioner

Mid-sized

10,138 US NPIs in this specialty

Medicare Part D claims

2,168 59% vs specialty avg

2023 prescription claims

Specialty avg: 1,363

MIPS final score

93.5626/100 10.462600000000009% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Connecticut

How Primary Care Nurse Practitioner compares to other specialties among Connecticut providers

Connecticut providers

Primary Care Nurse Practitioner share within Connecticut

1. Primary Care Nurse Practitioner42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Primary Care Nurse Practitioner share within Connecticut

Medicare quality performance — MIPS

ALLISON ALTENBURGER, APRN, NP-C's 2023 MIPS final score plotted against the Primary Care Nurse Practitioner national average

High performer (top quartile)
MIPS Final Score
93.5626/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Primary Care Nurse Practitioner) — 93.5626/100 vs national avg 83.1

0%100%National avg83%93.6%
MIPS final score (Primary Care Nurse Practitioner) — 93.5626/100 vs national avg 83.1

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

ALLISON ALTENBURGER, APRN, NP-C is a Primary Care Nurse Practitioner provider practicing in WEST HAVEN, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: APRN, NP-C. NPI: 1033503230. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

ALLISON ALTENBURGER, APRN, NP-C appears in the CMS NPPES registry as a Primary Care Nurse Practitioner provider holding APRN, NP-C credentials at 1 CELLINI PL STE 102, WEST HAVEN, CT, 06516, with a listed phone of (203) 932-6481. NPI 1033503230 was issued on 03/25/2015. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ALTENBURGER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 2,168 prescription claims written by this provider, covering 386 Medicare beneficiaries and totaling roughly $171K in drug spend, with an opioid prescribing rate of 0.6%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 93.5626/100 for the 2023 performance year (Quality 78.5149), compared with the national average of 83.1.

Primary Care Nurse Practitioner is a mid-sized specialty nationwide, with 10,138 enrolled providers across 54 states and an average of 1,363 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

1 CELLINI PL STE 102
WEST HAVEN, CT 06516

Provider Details

NPI 1033503230
Specialty Primary Care Nurse Practitioner
Credentials APRN, NP-C
Gender Female
NPI Issued 03/25/2015

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

93.5626
Final Score
Avg: 83.1
78.5149
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where ALLISON ALTENBURGER, APRN, NP-C bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

HHC PHYSICIAN SERVICES PLLC
WEST HAVEN, CT

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

2,168
Total Claims
$171K
Total Drug Cost
386
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,613
Total Day Supply
134,319
Generic Drug Cost
$36K
Opioid Claims
14 (0.6% rate)
Antibiotic Claims
70

Patient Demographics

Average Patient Age
75.0 years
Avg HCC Risk Score
1.17
Gender Split
54% female / 46% male
Age Distribution
<65: 28, 65-74: 177, 75-84: 122, 85+: 59

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Atorvastatin Calcium
116
Alprazolam
108
Amlodipine Besylate
104
Levothyroxine Sodium
85
Albuterol Sulfate Hfa
Albuterol Sulfate
74
Rosuvastatin Calcium
74
Losartan Potassium
68
Omeprazole
55
Clonazepam
51
Hydrochlorothiazide
50

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Primary Care Nurse Practitioner Overview

How ALLISON ALTENBURGER, APRN, NP-C fits within the Primary Care Nurse Practitioner landscape nationally.

10,138
Primary Care Nurse Practitioner Providers in US
54
States with Primary Care Nurse Practitioner
1,363
Avg Claims per Provider

ALLISON ALTENBURGER, APRN, NP-C's 2,168 claims are above the specialty average of 1,363.

Nearby Primary Care Nurse Practitioner Providers in Connecticut

Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as ALTENBURGER.

Compare Primary Care Nurse Practitioner nationally: see state-by-state distribution →

Frequently Asked Questions

What is ALLISON ALTENBURGER, APRN, NP-C's specialty?
ALLISON ALTENBURGER, APRN, NP-C specializes in Primary Care Nurse Practitioner and practices in WEST HAVEN, Connecticut. Credentials: APRN, NP-C.
How much does ALLISON ALTENBURGER, APRN, NP-C prescribe under Medicare Part D?
In 2023, ALLISON ALTENBURGER, APRN, NP-C wrote 2,168 Medicare Part D claims totaling $171K in drug costs for 386 beneficiaries.
What is ALLISON ALTENBURGER, APRN, NP-C's Medicare quality score?
ALLISON ALTENBURGER, APRN, NP-C has a CMS MIPS Final Score of 93.5626/100 (Quality: 78.5149). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is ALLISON ALTENBURGER, APRN, NP-C located?
ALLISON ALTENBURGER, APRN, NP-C is located at 1 CELLINI PL STE 102, WEST HAVEN, CT, 06516. Phone: (203) 932-6481.
What is ALLISON ALTENBURGER, APRN, NP-C's NPI number?
ALLISON ALTENBURGER, APRN, NP-C's National Provider Identifier (NPI) is 1033503230, issued on 03/25/2015.
Does ALLISON ALTENBURGER, APRN, NP-C prescribe opioids?
Yes, ALLISON ALTENBURGER, APRN, NP-C had 14 opioid claims in 2023 with an opioid prescribing rate of 0.6%.
How many Primary Care Nurse Practitioner providers are there in the US?
There are 10,138 Primary Care Nurse Practitioner providers across 54 states in the US. The average Primary Care Nurse Practitioner provider writes 1,363 Medicare Part D claims per year.
What drugs does ALLISON ALTENBURGER, APRN, NP-C prescribe most often?
Based on 2023 Medicare Part D data, ALLISON ALTENBURGER, APRN, NP-C's most frequently prescribed drugs include Atorvastatin Calcium, Alprazolam, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ALLISON ALTENBURGER, APRN, NP-C accept Medicare?
ALLISON ALTENBURGER, APRN, NP-C appears in CMS Medicare data with 2,168 Part D claims and 386 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ALLISON ALTENBURGER, APRN, NP-C's credentials?
ALLISON ALTENBURGER, APRN, NP-C's NPI is 1033503230 with credentials APRN, NP-C. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) — 2023 performance year.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology