2026 NPPES data Pharmacist NPI 1891090932 RPH
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DONNA ADAMS, RPH

Pharmacist in ROCK HILL, South Carolina. 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
300
Medicare Part D claims · 254 beneficiaries · Pharmacist avg: 135
Generic prescribing
0%
generic claims · 100% brand-name · higher generic rates reduce patient out-of-pocket costs
What the federal data reveals: DONNA ADAMS, RPH is a Pharmacist ([object Object]) practicing in ROCK HILL, South Carolina with a Medicare Part D prescribing footprint of 300 claims across 254 beneficiaries — 100% brand-name prescribing .

What stands out: DONNA ADAMS, RPH filed 300 Medicare Part D claims in 2023 across ROCK HILL, South Carolina. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

DONNA ADAMS, RPH at a glance

Quality data not reported

NPI registry status

Active

Issued 01/21/2011

NPI 1891090932

Primary specialty

Pharmacist

High-volume

290,447 US NPIs in this specialty

Medicare Part D claims

300 122% vs specialty avg

2023 prescription claims

Specialty avg: 135

Specialty distribution in South Carolina

How Pharmacist compares to other specialties among South Carolina providers

South Carolina providers

Pharmacist share within South Carolina

1. Pharmacist42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Pharmacist share within South Carolina

Specialty board-certification context

Estimated specialty board-certified rate — Pharmacist (ABMS / AOA reference)

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

Est. board-certified rate (Pharmacist) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Pharmacist) — 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).

DONNA ADAMS, RPH is a Pharmacist provider practicing in ROCK HILL, South Carolina, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: RPH. NPI: 1891090932. 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.

DONNA ADAMS, RPH appears in the CMS NPPES registry as a Pharmacist provider holding RPH credentials at 2707 CELANESE RD, ROCK HILL, SC, 29732, with a listed phone of (803) 366-4157. NPI 1891090932 was issued on 01/21/2011. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ADAMS 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 300 prescription claims written by this provider, covering 254 Medicare beneficiaries and totaling roughly $63K in drug spend, split 100% brand-name and 0% generic by claim count. 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.

Pharmacist is a high-volume specialty nationwide, with 290,447 enrolled providers across 56 states and an average of 135 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

2707 CELANESE RD
ROCK HILL, SC 29732

Provider Details

NPI 1891090932
Specialty Pharmacist
Credentials RPH
Gender Female
NPI Issued 01/21/2011

Brand vs generic prescribing mix · Brand-heavy

DONNA ADAMS, RPH — brand share 100.0%
Specialty average (est.)

100% brand-name claims vs 0% generic, on 300 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.

300
Total Claims
$63K
Total Drug Cost
254
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
300
Total Day Supply
300
Brand vs Generic
100% brand / 0% generic
Brand Drug Cost
$63K
Generic Drug Cost
$0

Patient Demographics

Average Patient Age
74.5 years
Avg HCC Risk Score
0.84
Gender Split
61% female / 39% 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
Shingrix
Varicella-Zoster Ge/As01b/Pf
227
Arexvy
Rsvpref3 Antigen/As01e/Pf
36
Boostrix Tdap
"Diphth
N/A

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

Pharmacist Overview

How DONNA ADAMS, RPH fits within the Pharmacist landscape nationally.

290,447
Pharmacist Providers in US
56
States with Pharmacist
135
Avg Claims per Provider

DONNA ADAMS, RPH's 300 claims are above the specialty average of 135.

Nearby Pharmacist Providers in South Carolina

Other clinicians with the same primary specialty enrolled in South Carolina, drawn from the same CMS NPPES roster as ADAMS.

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

Frequently Asked Questions

What is DONNA ADAMS, RPH's specialty?
DONNA ADAMS, RPH specializes in Pharmacist and practices in ROCK HILL, South Carolina. Credentials: RPH.
How much does DONNA ADAMS, RPH prescribe under Medicare Part D?
In 2023, DONNA ADAMS, RPH wrote 300 Medicare Part D claims totaling $63K in drug costs for 254 beneficiaries.
Where is DONNA ADAMS, RPH located?
DONNA ADAMS, RPH is located at 2707 CELANESE RD, ROCK HILL, SC, 29732. Phone: (803) 366-4157.
What is DONNA ADAMS, RPH's NPI number?
DONNA ADAMS, RPH's National Provider Identifier (NPI) is 1891090932, issued on 01/21/2011.
Does DONNA ADAMS, RPH prescribe more brand-name or generic drugs?
DONNA ADAMS, RPH's prescribing is 100% brand-name and 0% generic drugs by claim count, with $63K in brand drug costs.
How many Pharmacist providers are there in the US?
There are 290,447 Pharmacist providers across 56 states in the US. The average Pharmacist provider writes 135 Medicare Part D claims per year.
What drugs does DONNA ADAMS, RPH prescribe most often?
Based on 2023 Medicare Part D data, DONNA ADAMS, RPH's most frequently prescribed drugs include Shingrix, Arexvy, Boostrix Tdap. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does DONNA ADAMS, RPH accept Medicare?
DONNA ADAMS, RPH appears in CMS Medicare data with 300 Part D claims and 254 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify DONNA ADAMS, RPH's credentials?
DONNA ADAMS, RPH's NPI is 1891090932 with credentials RPH. 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