NPI registry status
Active
2026 NPPES data Family Medicine Physician NPI 1073179917 DO
Verify on CMS → Annie Peng, DO
Family Medicine Physician in Tucson, Arizona.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 147,640 in Family Medicine 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
949
Medicare Part D claims · 169 beneficiaries · Family Medicine Physician avg: 3K
Generic prescribing
83%
generic claims · 15% brand-name · higher generic rates reduce patient out-of-pocket costs
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
Annie Peng, DO filed 949 Medicare Part D claims in 2023 as a Family Medicine Physician in Tucson, Arizona, prescribing 83% generic.
- 949
- Part D claims, 2023
- 83%
- generic prescribing
- Likely
- board-certified (heuristic)
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.
Annie Peng, DO's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2023, across all CMS prescribers nationally
949 Top 25% higher than 75% of 1,370,886 prescribers
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 certification likely (heuristic, not verified)
Annie Peng, DO practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Annie Peng, DO?
Quality data not reportedPrimary specialty
Family Medicine Physician
Medicare Part D claims
949 72% vs specialty avg
Specialty distribution in Arizona
How Family Medicine Physician compares to other specialties among Arizona 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 Family Medicine 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).
Annie Peng, DO appears in the CMS NPPES registry as a Family Medicine Physician provider holding DO credentials at 320 W PRINCE RD, Tucson, AZ, 85705, with a listed phone of (520) 670-3909. NPI 1073179917 was issued on 05/16/2019.
Medicare Part D records for calendar year 2023 show 949 prescription claims written by this provider, covering 169 Medicare beneficiaries and totaling roughly $106K in drug spend, split 15% brand-name and 83% generic by claim count, with an opioid prescribing rate of 1.7%.
Family Medicine Physician is a high-volume specialty nationwide, with 147,640 enrolled providers across 56 states and an average of 3,418 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
Provider Details
| NPI | 1073179917 |
|---|---|
| Specialty | Family Medicine Physician |
| Credentials | DO |
| Gender | Female |
| NPI Issued | 05/16/2019 |
Hospital and facility affiliations
Facilities where Annie Peng, DO 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.
EL Rio Santa Cruz Neighborhood Health Center Inc
Tucson, AZ
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Typical
Annie Peng, DO - brand share 15.0%
Family Medicine Physician average
15% brand-name claims vs 83% generic, on 949 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.
949
Total Claims
$106K
Total Drug Cost
169
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 1,806
- Total Day Supply
- 51,260
- Brand vs Generic
- 15% brand / 83% generic
- Brand Drug Cost
- $91K
- Generic Drug Cost
- $13K
- Opioid Claims
- 16 (1.7% rate)
- Antibiotic Claims
- 29
Patient Demographics
- Average Patient Age
- 69.7 years
- Avg HCC Risk Score
- 1.32
- Gender Split
- 62% female / 38% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What Annie Peng, DO prescribes most
Top Medicare Part D drugs by claim count, 2023
- Atorvastatin Calcium
Atorvastatin Calcium
78 claims
- Amlodipine Besylate
Amlodipine Besylate
46 claims
- Gabapentin
Gabapentin
44 claims
- Lisinopril
Lisinopril
43 claims
- Losartan Potassium
Losartan Potassium
43 claims
- Metformin Hcl 31
Metformin Hcl
31 claims
- Albuterol Sulfate … 28
Albuterol Sulfate Hfa
28 claims
- Metoprolol Tartrate 28
Metoprolol Tartrate
28 claims
| Drug | Claims |
|---|---|
| Atorvastatin Calcium | 78 |
| Amlodipine Besylate | 46 |
| Gabapentin | 44 |
| Lisinopril | 43 |
| Losartan Potassium | 43 |
| Metformin Hcl | 31 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 28 |
| Metoprolol Tartrate | 28 |
| Levothyroxine Sodium | 23 |
| Hydrochlorothiazide | 21 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Family Medicine Physician Overview
How Annie Peng, DO fits within the Family Medicine Physician landscape nationally.
147,640
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider
Annie Peng, DO's 949 claims are below the specialty average of 3,418.
Nearby Family Medicine Physician Providers in Arizona
Other clinicians with the same primary specialty enrolled in Arizona, drawn from the same CMS NPPES roster as Peng.
Dr. Muhammad Aamer
M.D.
Yuma, AZ
Dr. Ndidi Abara
M.D.
Yuma, AZ
Dr. Steven Abdelmalak
MD
Scottsdale, AZ
Dr. Lindsey Abeyta
FNP
Tucson, AZ
Dr. Modupeola Abiodun
M.D.
Chandler, AZ
Compare Family Medicine 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 Arizona medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Family Medicine 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.
Healthcare Guides
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Medical Specialties Explained
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Understanding Medicare Claims Data
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How insurance networks affect your costs
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Frequently Asked Questions
What is Annie Peng, DO's specialty? ▼
Annie Peng, DO specializes in Family Medicine Physician and practices in Tucson, Arizona. Credentials: DO.
How much does Annie Peng, DO prescribe under Medicare Part D? ▼
In 2023, Annie Peng, DO wrote 949 Medicare Part D claims totaling $106K in drug costs for 169 beneficiaries.
Where is Annie Peng, DO located? ▼
Annie Peng, DO is located at 320 W PRINCE RD, Tucson, AZ, 85705. Phone: (520) 670-3909.
What is Annie Peng, DO's NPI number? ▼
Annie Peng, DO's National Provider Identifier (NPI) is 1073179917, issued on 05/16/2019.
Does Annie Peng, DO prescribe more brand-name or generic drugs? ▼
Annie Peng, DO's prescribing is 15% brand-name and 83% generic drugs by claim count, with $91K in brand drug costs.
Does Annie Peng, DO prescribe opioids? ▼
Yes, Annie Peng, DO had 16 opioid claims in 2023 with an opioid prescribing rate of 1.7%.
How many Family Medicine Physician providers are there in the US? ▼
There are 147,640 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does Annie Peng, DO prescribe most often? ▼
Based on 2023 Medicare Part D data, Annie Peng, DO's most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Annie Peng, DO accept Medicare? ▼
Annie Peng, DO appears in CMS Medicare data with 949 Part D claims and 169 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Annie Peng, DO's credentials? ▼
Annie Peng, DO's NPI is 1073179917 with credentials DO. 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.