2026 NPPES data Pulmonary Disease Physician NPI 1265518716 M.D.
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Robert Serio, M.D.

Pulmonary Disease Physician in Huntsville, Alabama.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 9,271 in Pulmonary Disease Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
136
Medicare Part D claims · 40 beneficiaries · Pulmonary Disease Physician avg: 1K
Generic prescribing
87%
generic claims · 13% brand-name · higher generic rates reduce patient out-of-pocket costs
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Robert Serio, M.D. filed 136 Medicare Part D claims in 2023 as a Pulmonary Disease Physician in Huntsville, Alabama, prescribing 87% generic.

136
Part D claims, 2023
87%
generic prescribing

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.

Robert Serio, M.D.'s Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023, across all CMS prescribers nationally

136 35th percentile higher than 35% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2K+: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. 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 Medicare Part D Prescriber Public Use File · 2023

Board-eligible specialty (heuristic, not verified)

Robert Serio, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Robert Serio, M.D.?

Quality data not reported

NPI registry status

Active

Issued 10/27/2006

NPI 1265518716

Primary specialty

Pulmonary Disease Physician

Mid-sized

9,271 US NPIs in this specialty

Medicare Part D claims

136 91% vs specialty avg

2023 prescription claims

Specialty avg: 1,457

Specialty distribution in Alabama

How Pulmonary Disease Physician compares to other specialties among Alabama providers

Alabama providers
Student in an Organized Health Care Education/Training Program - 8.1%Student in an Organized Health Care Education/Training Program8.1%Pharmacist - 6.7%Pharmacist6.7%Family Nurse Practitioner - 5.9%Family Nurse Practitioner5.9%Behavior Technician - 4.4%Behavior Technician4.4%Physical Therapist - 4.2%Physical Therapist4.2%Mental Health Counselor - 3.3%Mental Health Counselor3.3%Pulmonary Disease Physician - 0.2%Pulmonary Disease Physician0.2%
Largest specialties in Alabama (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Pulmonary Disease Physician. Verify directly:

How MIPS and board certification work

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).

Robert Serio, M.D. appears in the CMS NPPES registry as a Pulmonary Disease Physician provider holding M.D. credentials at 1104 MONROE ST SW, Huntsville, AL, 35801, with a listed phone of (256) 265-5864. NPI 1265518716 was issued on 10/27/2006.

Medicare Part D records for calendar year 2023 show 136 prescription claims written by this provider, covering 40 Medicare beneficiaries and totaling roughly $13K in drug spend, split 13% brand-name and 87% generic by claim count.

Pulmonary Disease Physician is a mid-sized specialty nationwide, with 9,271 enrolled providers across 53 states and an average of 1,457 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

1104 MONROE ST SW
Huntsville, AL 35801

Provider Details

NPI 1265518716
Specialty Pulmonary Disease Physician
Credentials M.D.
Gender Male
NPI Issued 10/27/2006

Brand vs generic prescribing mix · Typical

Robert Serio, M.D. - brand share 13.0%
Pulmonary Disease Physician average

13% brand-name claims vs 87% generic, on 136 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.

136
Total Claims
$13K
Total Drug Cost
40
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
209
Total Day Supply
5,918
Brand vs Generic
13% brand / 87% generic
Brand Drug Cost
$11K
Generic Drug Cost
$3K
Antibiotic Claims
11

Patient Demographics

Average Patient Age
68.8 years
Avg HCC Risk Score
1.30
Gender Split
55% female / 45% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Clonazepam
23
Zolpidem Tartrate
16

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

Pulmonary Disease Physician Overview

How Robert Serio, M.D. fits within the Pulmonary Disease Physician landscape nationally.

9,271
Pulmonary Disease Physician Providers in US
53
States with Pulmonary Disease Physician
1,457
Avg Claims per Provider

Robert Serio, M.D.'s 136 claims are below the specialty average of 1,457.

Nearby Pulmonary Disease Physician Providers in Alabama

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

Compare Pulmonary Disease Physician nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Alabama medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Pulmonary Disease Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Robert Serio, M.D.'s specialty?
Robert Serio, M.D. specializes in Pulmonary Disease Physician and practices in Huntsville, Alabama. Credentials: M.D..
How much does Robert Serio, M.D. prescribe under Medicare Part D?
In 2023, Robert Serio, M.D. wrote 136 Medicare Part D claims totaling $13K in drug costs for 40 beneficiaries.
Where is Robert Serio, M.D. located?
Robert Serio, M.D. is located at 1104 MONROE ST SW, Huntsville, AL, 35801. Phone: (256) 265-5864.
What is Robert Serio, M.D.'s NPI number?
Robert Serio, M.D.'s National Provider Identifier (NPI) is 1265518716, issued on 10/27/2006.
Does Robert Serio, M.D. prescribe more brand-name or generic drugs?
Robert Serio, M.D.'s prescribing is 13% brand-name and 87% generic drugs by claim count, with $11K in brand drug costs.
How many Pulmonary Disease Physician providers are there in the US?
There are 9,271 Pulmonary Disease Physician providers across 53 states in the US. The average Pulmonary Disease Physician provider writes 1,457 Medicare Part D claims per year.
What drugs does Robert Serio, M.D. prescribe most often?
Based on 2023 Medicare Part D data, Robert Serio, M.D.'s most frequently prescribed drugs include Clonazepam, Zolpidem Tartrate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Robert Serio, M.D. accept Medicare?
Robert Serio, M.D. appears in CMS Medicare data with 136 Part D claims and 40 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Robert Serio, M.D.'s credentials?
Robert Serio, M.D.'s NPI is 1265518716 with credentials M.D.. 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

View source datasets and methodology notes
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.
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

Compiled from official public sources by the PlainDoctor editorial team.