2026 NPPES data Specialist NPI 1922090430 MD
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THOMAS JOHNSON, MD

Specialist in NORTH ANDOVER, Massachusetts. 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
3K
Medicare Part D claims · 402 beneficiaries · Specialist avg: 1K
Generic prescribing
75%
generic claims · 25% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
74.176/100
▼ 9 pts below national avg 83.1 · [object Object]
Industry payments
$777.77
37 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

THOMAS JOHNSON, MD reported a CMS MIPS final score of 74.176/100 — below the 83.1 national average — and filed 3,394 Medicare Part D claims in 2023.

74.176/100
MIPS score · -9 vs avg
3K
Part D claims, 2023
75%
generic prescribing
$777.77
industry payments (Sunshine Act)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

THOMAS JOHNSON, MD's MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

74 12th percentile higher than 12% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). This entry sits in this band. 80–90: 129,887 scored providers (27%). Above this entry. 90–100: 189,403 scored providers (40%). Above this entry. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

What does the federal data show about THOMAS JOHNSON, MD?

Below national average

NPI registry status

Active

Issued 08/19/2005

NPI 1922090430

Primary specialty

Specialist

High-volume

69,658 US NPIs in this specialty

Medicare Part D claims

3,394 130% vs specialty avg

2023 prescription claims

Specialty avg: 1,474

MIPS final score

74.176/100 8.923999999999992% pts

Mid-tier band

vs 83.1 national avg

Specialty distribution in Massachusetts

How Specialist compares to other specialties among Massachusetts providers

Massachusetts providers

Specialist share within Massachusetts

1. Specialist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Specialist share within Massachusetts

Medicare quality performance — MIPS

THOMAS JOHNSON, MD's 2023 MIPS final score plotted against the Specialist national average

Below national average
MIPS Final Score
74.176/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Specialist) — 74.176/100 vs national avg 83.1

0%100%National avg83%74.2%
MIPS final score (Specialist) — 74.176/100 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).

THOMAS JOHNSON, MD appears in the CMS NPPES registry as a Specialist provider holding MD credentials at 555 TURNPIKE ST, NORTH ANDOVER, MA, 01845, with a listed phone of (978) 683-4299. NPI 1922090430 was issued on 08/19/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what JOHNSON 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 3,394 prescription claims written by this provider, covering 402 Medicare beneficiaries and totaling roughly $1.2 million in drug spend, split 25% brand-name and 75% generic by claim count, with an opioid prescribing rate of 0.7%. 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 74.176/100 for the 2023 performance year (Quality 68.249, Cost 39.588), compared with the national average of 83.1.

Specialist is a high-volume specialty nationwide, with 69,658 enrolled providers across 55 states and an average of 1,474 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

555 TURNPIKE ST
NORTH ANDOVER, MA 01845

Provider Details

NPI 1922090430
Specialty Specialist
Credentials MD
Gender Male
NPI Issued 08/19/2005

CMS Quality Score (MIPS)

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

74.176
Final Score
Avg: 83.1
68.249
Quality
39.588
Cost

Reporting: Group practice

Hospital and facility affiliations

Facilities where THOMAS JOHNSON, MD 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.

NEW ENGLAND ALLERGY ASTHMA IMMUNOLOGY PEDIATRIC AND PRIMARY CARE PLLC
SALEM, NH

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

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for THOMAS JOHNSON, MD. Source: openpaymentsdata.cms.gov.

Total received

$778

Largest payer

AstraZeneca Pharmaceuticals LP

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

License & disciplinary context — Massachusetts BORIM 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~38K Massachusetts medical licensees in 2023 — they are NOT specific to THOMAS JOHNSON, MD. To verify THOMAS JOHNSON, MD's current license status, search the BORIM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

80
Total board actions, Massachusetts 2023
Across 78 cases
2.11
Actions per 1,000 licensees
Massachusetts statewide rate
probation
Most common action type
29 cases

BORIM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Massachusetts disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Above average

THOMAS JOHNSON, MD — brand share 25.0%
Specialty average (est.)

25% brand-name claims vs 75% generic, on 3,394 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

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

3,394
Total Claims
$1.2M
Total Drug Cost
402
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
6,138
Total Day Supply
173,108
Brand vs Generic
25% brand / 75% generic
Brand Drug Cost
$1.1M
Generic Drug Cost
$97K
Opioid Claims
23 (0.7% rate)
Antibiotic Claims
94

Patient Demographics

Average Patient Age
68.7 years
Avg HCC Risk Score
1.18
Gender Split
61% female / 39% male
Age Distribution
<65: 93, 65-74: 192, 75-84: 97, 85+: 20

Top Prescribed Drugs (Medicare Part D)

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

What THOMAS JOHNSON, MD prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Methylprednisolone
191
Albuterol Sulfate Hfa
Albuterol Sulfate
136
Lisinopril
131
Simvastatin
128
Levothyroxine Sodium
114
Trelegy Ellipta
Fluticasone/Umeclidin/Vilanter
108
Atorvastatin Calcium
107
Omeprazole
107
Amlodipine Besylate
97
Montelukast Sodium
91

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

Specialist Overview

How THOMAS JOHNSON, MD fits within the Specialist landscape nationally.

69,658
Specialist Providers in US
55
States with Specialist
1,474
Avg Claims per Provider

THOMAS JOHNSON, MD's 3,394 claims are above the specialty average of 1,474.

Nearby Specialist Providers in Massachusetts

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

Compare Specialist nationally: see state-by-state distribution →

Frequently Asked Questions

What is THOMAS JOHNSON, MD's specialty?
THOMAS JOHNSON, MD specializes in Specialist and practices in NORTH ANDOVER, Massachusetts. Credentials: MD.
How much does THOMAS JOHNSON, MD prescribe under Medicare Part D?
In 2023, THOMAS JOHNSON, MD wrote 3,394 Medicare Part D claims totaling $1.2M in drug costs for 402 beneficiaries.
What is THOMAS JOHNSON, MD's Medicare quality score?
THOMAS JOHNSON, MD has a CMS MIPS Final Score of 74.176/100 (Quality: 68.249, Cost: 39.588). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is THOMAS JOHNSON, MD located?
THOMAS JOHNSON, MD is located at 555 TURNPIKE ST, NORTH ANDOVER, MA, 01845. Phone: (978) 683-4299.
What is THOMAS JOHNSON, MD's NPI number?
THOMAS JOHNSON, MD's National Provider Identifier (NPI) is 1922090430, issued on 08/19/2005.
Does THOMAS JOHNSON, MD prescribe more brand-name or generic drugs?
THOMAS JOHNSON, MD's prescribing is 25% brand-name and 75% generic drugs by claim count, with $1.1M in brand drug costs.
Does THOMAS JOHNSON, MD prescribe opioids?
Yes, THOMAS JOHNSON, MD had 23 opioid claims in 2023 with an opioid prescribing rate of 0.7%.
How many Specialist providers are there in the US?
There are 69,658 Specialist providers across 55 states in the US. The average Specialist provider writes 1,474 Medicare Part D claims per year.
What drugs does THOMAS JOHNSON, MD prescribe most often?
Based on 2023 Medicare Part D data, THOMAS JOHNSON, MD's most frequently prescribed drugs include Methylprednisolone, Albuterol Sulfate Hfa, Lisinopril. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does THOMAS JOHNSON, MD accept Medicare?
THOMAS JOHNSON, MD appears in CMS Medicare data with 3,394 Part D claims and 402 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify THOMAS JOHNSON, MD's credentials?
THOMAS JOHNSON, MD's NPI is 1922090430 with credentials MD. 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