2026 NPPES data Orthopaedic Surgery Physician NPI 1053757054 MD
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MOLLY HARTZLER, MD

Orthopaedic Surgery Physician in REDDING, California. 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
308
Medicare Part D claims · 96 beneficiaries · Orthopaedic Surgery Physician avg: 324
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$18.3K
40 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

MOLLY HARTZLER, MD filed 308 Medicare Part D claims in 2023 as a Orthopaedic Surgery Physician in REDDING, California, prescribing 90% generic.

308
Part D claims, 2023
90%
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.

MOLLY HARTZLER, MD's Medicare Part D volume vs every U.S. prescriber

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

308 Top 43% higher than 57% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). This entry sits in this band. 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. 2,000–2,200: 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 certification likely (heuristic — not verified)

MOLLY HARTZLER, MD 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 MOLLY HARTZLER, MD?

Quality data not reported

NPI registry status

Active

Issued 05/16/2013

NPI 1053757054

Primary specialty

Orthopaedic Surgery Physician

Mid-sized

25,781 US NPIs in this specialty

Medicare Part D claims

308 5% vs specialty avg

2023 prescription claims

Specialty avg: 324

Specialty distribution in California

How Orthopaedic Surgery Physician compares to other specialties among California providers

California providers

Orthopaedic Surgery Physician share within California

1. Orthopaedic Surgery Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Orthopaedic Surgery Physician share within California

Specialty board-certification context

Estimated specialty board-certified rate — Orthopaedic Surgery Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Orthopaedic Surgery Physician ABMS/AOA estimate

Est. board-certified rate (Orthopaedic Surgery Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Orthopaedic Surgery Physician) — ABMS / AOA estimate

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).

MOLLY HARTZLER, MD appears in the CMS NPPES registry as a Orthopaedic Surgery Physician provider holding MD credentials at 2510 AIRPARK DR STE 301, REDDING, CA, 96001, with a listed phone of (530) 242-3500. NPI 1053757054 was issued on 05/16/2013. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what HARTZLER 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 308 prescription claims written by this provider, covering 96 Medicare beneficiaries and totaling roughly $7K in drug spend, split 10% brand-name and 90% generic by claim count, with an opioid prescribing rate of 44.8%. 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.

Orthopaedic Surgery Physician is a mid-sized specialty nationwide, with 25,781 enrolled providers across 56 states and an average of 324 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

2510 AIRPARK DR STE 301
REDDING, CA 96001

Provider Details

NPI 1053757054
Specialty Orthopaedic Surgery Physician
Credentials MD
Gender Female
NPI Issued 05/16/2013

Hospital and facility affiliations

Facilities where MOLLY HARTZLER, 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.

WAKE FOREST UNIVERSITY HEALTH SCIENCES
BERMUDA RUN, NC

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 MOLLY HARTZLER, MD. Source: openpaymentsdata.cms.gov.

Total received

$18.3K

Largest payer

Medical Device Business Services, Inc.

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 — California MBC 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 ~150K California medical licensees in 2023 — they are NOT specific to MOLLY HARTZLER, MD. To verify MOLLY HARTZLER, MD's current license status, search the MBC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

576
Total board actions, California 2023
Across 556 cases
3.84
Actions per 1,000 licensees
California statewide rate
probation
Most common action type
186 cases

MBC 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 California disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Brand vs generic prescribing mix · Typical

MOLLY HARTZLER, MD — brand share 10.0%
Specialty average (est.)

10% brand-name claims vs 90% generic, on 308 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.

308
Total Claims
$7K
Total Drug Cost
96
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
312
Total Day Supply
2,659
Brand vs Generic
10% brand / 90% generic
Brand Drug Cost
$2K
Generic Drug Cost
$6K
Opioid Claims
138 (44.8% rate)
Antibiotic Claims
57

Patient Demographics

Average Patient Age
69.8 years
Avg HCC Risk Score
1.64
Gender Split
63% 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 MOLLY HARTZLER, 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
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
34
Oxycodone Hcl
33
Tramadol Hcl
26
Oxycodone-Acetaminophen
Oxycodone Hcl/Acetaminophen
24
Amoxicillin
22
Hydromorphone Hcl
21
Methocarbamol
19
Celecoxib
13
Gabapentin
11

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

Orthopaedic Surgery Physician Overview

How MOLLY HARTZLER, MD fits within the Orthopaedic Surgery Physician landscape nationally.

25,781
Orthopaedic Surgery Physician Providers in US
56
States with Orthopaedic Surgery Physician
324
Avg Claims per Provider

MOLLY HARTZLER, MD's 308 claims are below the specialty average of 324.

Nearby Orthopaedic Surgery Physician Providers in California

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

Compare Orthopaedic Surgery Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MOLLY HARTZLER, MD's specialty?
MOLLY HARTZLER, MD specializes in Orthopaedic Surgery Physician and practices in REDDING, California. Credentials: MD.
How much does MOLLY HARTZLER, MD prescribe under Medicare Part D?
In 2023, MOLLY HARTZLER, MD wrote 308 Medicare Part D claims totaling $7K in drug costs for 96 beneficiaries.
Where is MOLLY HARTZLER, MD located?
MOLLY HARTZLER, MD is located at 2510 AIRPARK DR STE 301, REDDING, CA, 96001. Phone: (530) 242-3500.
What is MOLLY HARTZLER, MD's NPI number?
MOLLY HARTZLER, MD's National Provider Identifier (NPI) is 1053757054, issued on 05/16/2013.
Does MOLLY HARTZLER, MD prescribe more brand-name or generic drugs?
MOLLY HARTZLER, MD's prescribing is 10% brand-name and 90% generic drugs by claim count, with $2K in brand drug costs.
Does MOLLY HARTZLER, MD prescribe opioids?
Yes, MOLLY HARTZLER, MD had 138 opioid claims in 2023 with an opioid prescribing rate of 44.8%.
How many Orthopaedic Surgery Physician providers are there in the US?
There are 25,781 Orthopaedic Surgery Physician providers across 56 states in the US. The average Orthopaedic Surgery Physician provider writes 324 Medicare Part D claims per year.
What drugs does MOLLY HARTZLER, MD prescribe most often?
Based on 2023 Medicare Part D data, MOLLY HARTZLER, MD's most frequently prescribed drugs include Hydrocodone-Acetaminophen, Oxycodone Hcl, Tramadol Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MOLLY HARTZLER, MD accept Medicare?
MOLLY HARTZLER, MD appears in CMS Medicare data with 308 Part D claims and 96 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MOLLY HARTZLER, MD's credentials?
MOLLY HARTZLER, MD's NPI is 1053757054 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.
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