2026 NPPES data Addiction Psychiatry Physician NPI 1659303253 MD
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NAGAMANI PADALA, MD

Addiction Psychiatry Physician in STOCKTON, 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
3K
Medicare Part D claims · 109 beneficiaries · Addiction Psychiatry Physician avg: 792
Generic prescribing
96%
generic claims · 4% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

NAGAMANI PADALA, MD filed 2,665 Medicare Part D claims in 2023 as a Addiction Psychiatry Physician in STOCKTON, California, prescribing 96% generic.

3K
Part D claims, 2023
96%
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.

NAGAMANI PADALA, MD's Medicare Part D volume vs every U.S. prescriber

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

2,665 Top 13% higher than 87% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. 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)

NAGAMANI PADALA, 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 NAGAMANI PADALA, MD?

Quality data not reported

NPI registry status

Active

Issued 07/06/2006

NPI 1659303253

Primary specialty

Addiction Psychiatry Physician

Niche

667 US NPIs in this specialty

Medicare Part D claims

2,665 236% vs specialty avg

2023 prescription claims

Specialty avg: 792

Specialty distribution in California

How Addiction Psychiatry Physician compares to other specialties among California providers

California providers

Addiction Psychiatry Physician share within California

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

Specialty board-certification context

Estimated specialty board-certified rate — Addiction Psychiatry Physician (ABMS / AOA reference)

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

Est. board-certified rate (Addiction Psychiatry Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Addiction Psychiatry 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).

NAGAMANI PADALA, MD appears in the CMS NPPES registry as a Addiction Psychiatry Physician provider holding MD credentials at 1212 N CALIFORNIA ST, STOCKTON, CA, 95202, with a listed phone of (209) 468-8862. NPI 1659303253 was issued on 07/06/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what PADALA 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 2,665 prescription claims written by this provider, covering 109 Medicare beneficiaries and totaling roughly $304K in drug spend, split 4% brand-name and 96% 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.

Addiction Psychiatry Physician is a narrow specialty nationwide, with 667 enrolled providers across 49 states and an average of 792 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

1212 N CALIFORNIA ST
STOCKTON, CA 95202

Provider Details

NPI 1659303253
Specialty Addiction Psychiatry Physician
Credentials MD
Gender Female
NPI Issued 07/06/2006

Hospital and facility affiliations

Facilities where NAGAMANI PADALA, 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.

COUNTY OF SAN JOAQUIN
STOCKTON, CA

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

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 NAGAMANI PADALA, MD. To verify NAGAMANI PADALA, 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 · Generic-heavy

NAGAMANI PADALA, MD — brand share 4.0%
Specialty average (est.)

4% brand-name claims vs 96% generic, on 2,665 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.

2,665
Total Claims
$304K
Total Drug Cost
109
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,764
Total Day Supply
70,363
Brand vs Generic
4% brand / 96% generic
Brand Drug Cost
$205K
Generic Drug Cost
$99K

Patient Demographics

Average Patient Age
51.4 years
Avg HCC Risk Score
0.97
Gender Split
50% female / 50% male
Age Distribution
<65: 97, 65-74: N/A, 75-84: N/A, 85+: 0

Top Prescribed Drugs (Medicare Part D)

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

What NAGAMANI PADALA, 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
Benztropine Mesylate
236
Haloperidol
221
Aripiprazole
190
Hydroxyzine Hcl
154
Clozapine
141
Quetiapine Fumarate
133
Escitalopram Oxalate
116
Buspirone Hcl
110
Olanzapine
110
Trazodone Hcl
94

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

Addiction Psychiatry Physician Overview

How NAGAMANI PADALA, MD fits within the Addiction Psychiatry Physician landscape nationally.

667
Addiction Psychiatry Physician Providers in US
49
States with Addiction Psychiatry Physician
792
Avg Claims per Provider

NAGAMANI PADALA, MD's 2,665 claims are above the specialty average of 792.

Nearby Addiction Psychiatry Physician Providers in California

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

Compare Addiction Psychiatry Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is NAGAMANI PADALA, MD's specialty?
NAGAMANI PADALA, MD specializes in Addiction Psychiatry Physician and practices in STOCKTON, California. Credentials: MD.
How much does NAGAMANI PADALA, MD prescribe under Medicare Part D?
In 2023, NAGAMANI PADALA, MD wrote 2,665 Medicare Part D claims totaling $304K in drug costs for 109 beneficiaries.
Where is NAGAMANI PADALA, MD located?
NAGAMANI PADALA, MD is located at 1212 N CALIFORNIA ST, STOCKTON, CA, 95202. Phone: (209) 468-8862.
What is NAGAMANI PADALA, MD's NPI number?
NAGAMANI PADALA, MD's National Provider Identifier (NPI) is 1659303253, issued on 07/06/2006.
Does NAGAMANI PADALA, MD prescribe more brand-name or generic drugs?
NAGAMANI PADALA, MD's prescribing is 4% brand-name and 96% generic drugs by claim count, with $205K in brand drug costs.
How many Addiction Psychiatry Physician providers are there in the US?
There are 667 Addiction Psychiatry Physician providers across 49 states in the US. The average Addiction Psychiatry Physician provider writes 792 Medicare Part D claims per year.
What drugs does NAGAMANI PADALA, MD prescribe most often?
Based on 2023 Medicare Part D data, NAGAMANI PADALA, MD's most frequently prescribed drugs include Benztropine Mesylate, Haloperidol, Aripiprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does NAGAMANI PADALA, MD accept Medicare?
NAGAMANI PADALA, MD appears in CMS Medicare data with 2,665 Part D claims and 109 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify NAGAMANI PADALA, MD's credentials?
NAGAMANI PADALA, MD's NPI is 1659303253 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